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AC Whalan
Arnold Clement Whalan established A.C. Whalan & Co Pty Ltd and commenced trading in the Lithgow area in 1939. Today…
More Information | | +61 (02) 6574 6811
AECOM
AECOM is a global network of experts working with clients, communities and colleagues to develop and implement innovative solutions to…
More Information | | + 1 (213) 593 8100
AGIR Aggregat
Whether in the mountains or in a densely built-up city: Agir accepts excavated material, sorts it, prepares it, loads it…
More Information | | +41 44 762 44 88
AGRU
At AGRU we have been producing plastic liners by means of flat film extrusion with a downstream calender to the…
More Information | | +43 7258 790 0
Akkerman
Akkerman develops, manufactures and supports powerful and versatile guided boring, microtunneling, pipe jacking, sliplining, tunneling and earth pressure balance underground…
More Information | | +1 (800) 533 0386
Aldea Services
Aldea Services Inc. is your expert resource for design and construction management of heavy civil underground projects. Aldea offers expertise…
More Information | | + 1 (301) 355 9703
Algaher
ALGAHER SA is a specialized company in the manufacture of rubber gaskets and profiles, which has been working in this…
More Information | | + 34 941 18 21 53
Amberg Group
The Amberg Group is a unique knowledge, engineering and technology provider of logistics and infrastructures for smart cities, hubs and…
More Information | | + 41 44 870 90 90
Amix Systems
AMIX Systems Ltd. is a product and service company based in Abbotsford, British Columbia with a results oriented approach to…
More Information | | + 1 (604) 746 0555
Ampcontrol
Ampcontrol delivers integrated electrical, electronic and control solutions to improve safety and efficiency in mining, renewable,infrastructure and industrial applications….
More Information | | +61 2 4961 9000
Antraquip Corporation
Founded in 1985, Antraquip has become a worldwide manufacturing leader of reliable roadheaders, innovative rock and concrete rotary drum cutting…
More Information | | + 1 (301) 665 1165
ArcelorMittal Bissen & Bettembourg
ArcelorMittal is the world’s leading steel and mining company. With an industrial presence in 18 countries, we are the leader…
More Information | | +352 4792 1
ARUP
Arup was founded by Ove Arup in 1946. Our work addresses every aspect of the built environment, from initial planning…
More Information | | +44 (0) 20 7636 1531
ASI Marine
ASI is proud to be the first Canadian company to provide Hyperbaric Tunneling Support Services to Tunneling companies in North…
More Information | | +1 (905) 643 3283
Austunnel
Austunnel provides quality services to both Australian and international tunnel infrastructure projects and services to the wider Construction and Mining…
More Information | | +61 7 3359 5335
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BabEng
BabEng (formerly known as Babendererede Engineers) is a worldwide engineering and consulting company specializing in underground works. From pipe jacking…
More Information | | +49 (451) 486 6780
Ballard Marine Construction
Providing compressed air workers and related equipment for many of the largest and most complex tunnel projects around the world….
More Information | | +1 (866) 782 6750
Bamford Rock Testing Services
Bamford Rock Testing Services (BRTS) specialise in providing analysis vital to consultants and contractors alike, by offering a suite of…
More Information | | +61 3 9329 2818
BarChip
BarChip fibre reinforced concrete is corrosion free, high performance and safe to install. The Barchip system is an inexpensive, easy…
More Information | | +61 1300 131 158
Barnard Construction
People building for People … that’s what we do at Barnard. Whether we’re raising a dam in Alaska, constructing a…
More Information | | + 1 (406) 586 1995
BASF
BASF, under the Master Builders Solutions brand, is the world-leading supplier of customer-oriented solutions, service and support for the tunneling industry….
More Information | | +49 (0)621 60-0
Bedi Consulting
Bedi Consulting offer specialist geotechnical and tunnel engineering consultancy services from design conception through to construction. We work together with…
More Information | | +44 (0)7912 201891
Bekaert Maccaferri Underground Solutions
Founded on October 1st, 2014, Bekaert Maccaferri Underground Solutions is a young company with strong parents: Bekaert is a world market and…
More Information | | + 32 (0) 53 431010
Black and Veatch
Black & Veatch is an employee-owned engineering, procurement, consulting and construction company with a 100-year legacy of creating a better…
More Information | | +1 (913) 458 2000
Bouygues Travaux Publics
For 50 years Bouygues Travaux Publics has been broadening its underground-works experience in the four corners of the earth, whether…
More Information | | +33 1 30 60 57 00
Brierley Associates
Brierley Associates delivers intrinsic, recognizable value to our owner, A/E firm, and contractor clients by focusing on constructability, efficiency and…
More Information | | + 1 (303) 483 2890
Brokk
There is something special about Brokk demolition robots and tunnels. The perfect combination of power, operability and accessibility makes this…
More Information | | +46 910 711 800
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CBE Group
CBE Group is a French industrial midcap company, specialized in the engineering, production and installation of steel moulds, equipment and tailor-made automated plants used for…
More Information | | +33 247 37 53 64
CDM Smith
CDM Smith is a global privately owned engineering and construction firm providing legendary client service and smart solutions in water,…
More Information | | +1 617 452 6000
Cemex UK Operations
We are a leader in the building materials industry that provides high-quality products and reliable service to both customers and…
More Information | | +44 1788 517000
Chemgrout Inc
ChemGrout started in 1963 as grouting contractors providing cement and chemical grouting field services. Invaluable experience was gained in the…
More Information | | + 1 (708) 354 7112
Colorado School of Mines
Colorado School of Mines is a public research university focused on science and engineering, where students and faculty together address…
More Information | | + 1 (303) 273 3000
Condat Lubricants
The CONDAT group offers a large range of chemical products adapted to its clients’ activities. Specialists in surface chemistry, CONDAT designs,…
More Information | | +33 (0) 4 78 07 38 38
COWI
We are among the leading consultants within complex infrastructure design with particular strongholds within bridges, tunnels and marine structures. Together…
More Information | | +45 56 40 00 00
CREG
CREG (China Railway Engineering Equipment Group Co., Ltd.) is a worldwide underground solutions provider for a full range of mechanized…
More Information | info@crectbm.com | +86 371 6060 8680
Crux Subsurface
Crux is a geotechnical exploration and construction firm, providing contract drilling and related services to the industry. Founded in 1998…
More Information | | +1 509 892 9409
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DATWYLER Sealing Technologies
Dätwyler Sealing Technologies is developing and manufacturing customer designed seals and gaskets to fit the needs of specific engineering and…
More Information | | +41 41 875 11 23
David R. Klug & Associates
David R. Klug & Associates, Inc. provides manufacturers representative services to the underground civil and mine construction industries. The company…
More Information | | + 1 (724) 942 4670
Derrick Equipment Company
Since 1988, Derrick has manufactured innovative technologies for the Civil Construction industry. Derrick offers premium slurry separation and desanding equipment to…
More Information | | +1 716 683 9010
Dniprotekhservice, SPF, LLC
Dneprotechservice, Ltd is a group uniting several machine building enterprises of Ukraine. Design, manufacture, sale and servicing of equipment, machinery…
More Information | | +38 056 770-49-01
Dr. Sauer & Partners
Dr. Sauer & Partners is an independent consultancy, providing the full range of design and construction management services for tunnels,…
More Information | | +44 (0) 208 339 7090
Draeger Safety UK
One-stop safety: Solutions for Tunnel Construction. The construction of a tunnel is marked by considerable cost and equally high safety…
More Information | | +44 (0) 1670 561 281
DRAGADOS
DRAGADOS was awarded its first Subway project in Spain in 1944. In 1965, the company began its international push and…
More Information | | + 34 913 439 300
DSI Underground
DSI Underground develops, produces and supplies innovative products and systems for Underground Mining and Tunneling. Today DSI Underground offers its clients the largest product range globally available of: dynamic anchor systems – injection resins – pumpable injection chemicals and forepoling systems.
More Information | info@dsiunderground.com | +49-89-30 90 50-200
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Elkem
Elkem is one of the world’s leading suppliers of silicon-based advanced materials with operations throughout the value chain from quartz…
More Information | | +47 22450100
Epiroc
Epiroc is a leading productivity partner for the mining, infrastructure and natural resources industries. With cutting-edge technology, Epiroc develops and…
More Information | | + 46 10 755 00 00
Euclid Chemical
Euclid Chemical is a world leading manufacturer of specialty chemical products for the concrete and masonry construction industry. For over…
More Information | | + 1 (216) 531 9222
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Fama S.p.A
Fama S.p.A. is an Italian company that since 1988 designs, certifies, manufactures, markets and ensures high assistance on site of…
More Information | | +39 0434 979792
Fibre Technology
Fibre Technology are experts in the design, installation, commissioning, testing and training of a wide variety of IP / CCTV…
More Information | | 01344 752222
Fosroc
Fosroc is a leading international manufacturer and supplier of high performance chemicals for the construction industry, with a particular focus…
More Information | | +44 (0) 1827 262222
FP McCann
The FP McCann range of tunnel and shaft products have been developed to meet the requirements of the latest industry standards,…
More Information | | +44 (0) 1455 290 780
Frontier-Kemper Constructors
At Frontier-Kemper, we specialize in heavy civil construction and underground mine development. We are known for our expertise in the…
More Information | | +1 (818) 362 2062
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Gall Zeidler
Gall Zeidler Consultants (GZ) is a worldwide leader in geotechnics, tunnel engineering and tunnel construction management, with special expertise in…
More Information | | +1 (703) 726 2700
GCP Applied Technologies (UK)
Our portfolio of construction products includes concrete and cement additives, building materials and technologies that ensure specified quality and enhance…
More Information | | +44 (0) 1753 490000
Geodata Group
The GEODATA Group is an innovative, internationally active provider of integrated IT-based solutions and services for measurement and testing technology…
More Information | | +43 (0) 3842 26 555 0
Geokon
GEOKON is located in Lebanon, New Hampshire, USA and operates on a worldwide basis through a network of agencies. The…
More Information | | +1 603 448 1562
Geotechnical Observations
Geotechnical Observations provide structural and geotechnical instrumentation and monitoring services for civil engineering projects Geotechnical and structural instrumentation is used…
More Information | | 01932 352040
Global Tunnelling Experts
Global Tunnelling Experts (GTE) is a fully owned subsidiary of Herrenknecht AG, world’s market leader in mechanized tunnel technology. GTE…
More Information | | + 45 8213 0060
Golder Associates
Golder’s highly skilled engineers and scientists provide consulting, design, and construction services in the specialized area of earth and environment…
More Information | | +1 905 5674444
Graz University of Technology
The diversity of University of Graz is characterized amongst others by the internationality of its students. More than 4,000 international…
More Information | | +43 316 8730
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H+E Logistik
Conveyor belt systems from H+E are high-tech systems that steer huge and diverging forces onto the right tracks while exercising…
More Information | | +49 (0) 234 950 23 60
Hatch
Our organization is passionately committed to the pursuit of a better world through positive change. We embrace your visions as…
More Information | | +1 905 855 7600
Hayward Baker
Hayward Baker is actively involved in efforts to upgrade the nation’s infrastructure. Whether it is transportation, railways, tunnels, or utilities,…
More Information | | +1 314 802 2920
Herrenknecht
Pioneering Underground Technologies – Herrenknecht AG is the technology and market leader in mechanized tunnelling. As the only company worldwide, Herrenknecht delivers cutting-edge tunnel boring machines for all ground conditions and in all diameters – ranging from 0.10 to 19 meters.
More Information | info@herrenknecht.com | +49 7824 3020
HNTB
HNTB Corporation is an employee-owned infrastructure solutions firm serving public and private owners and contractors. With more than a century…
More Information | | + 1 816 472 1201
Hydra-Slide
Hydra-Slide specializes in supplying rigging equipment, including Hydraulic Turntables, Climbing Jacks, Synchronous Power Units, and Ekki jacking timbers, to optimize…
More Information | | +1 519-900-1450
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IHC Hytech BV
With almost 30 years of experience, IHC Hytech specialises in designing and manufacturing high quality professional diving and hyperbaric equipment….
More Information | | +31 162 522 202
Indeco Ind. SpA
Indeco, an Italian manufacturer of hydraulic hammers, was founded in 1976. Right from the outset, here at Indeco we set…
More Information | | +39 080 531 33 40
Innovative Support Systems
Innovative Support Systems are a UK based manufacturer and supplier of environmentally friendly low carbon embankment, ground, shaft, bridge, viaduct,…
More Information | | +44 1226 381155
International Tunnelling & Underground Space Association
Founded in 1974 by the initiative of nineteen Nations, the International Tunnelling and Underground Space Association (ITA) which aims are:…
More Information | secretariat@ita-aites.org | +41 (0) 22 547 74 41
Isonomic
Isonomic works with you to bring automation and game changing mixed reality and data analytics to the front line of…
More Information | | +61 411475444
Istrice – Fili & Forme
ISTRICE is an innovative, by Fili & Forme Srl, one of the major world manufacturers of structural polymer fibers for…
More Information | | +39 059 921462
ITC SA
ITC SA, located in the heart of the Alps in Martigny, Switzerland, is a tunnelling equipment designer and supplier. Its…
More Information | | +41 27 7222191
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Jacon Technologies
Since its establishment in 1978, Jacon has advanced to become a major player in the niche field of designing, manufacturing…
More Information | | +61 2 9737 9028
Jennmar
JENNMAR has been an innovative leader in ground control for the mining industry for more than forty years. Over the…
More Information | | + 1 (412) 963 9071
JH Fletcher & Co
JH Fletcher has established the Fletcher Engineered Solutions division to expand their business to include opportunities within and outside of…
More Information | | +1 304-525-7811
Joseph Gallagher Limited
Joseph Gallagher Ltd. operates as a civil engineering and construction contractor. The Company undertakes tunneling, shaft sinking and specialist groundwork.
More Information | | +441375672070
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Keller Group
With operations across six continents, and revenue of £2.2 billion, Keller is the largest geotechnical contractor in the world. Our…
More Information | | + 44 (0) 20 7616 7575
KERN Tunneltechnik
KERN Tunneltechnik SA is an international company providing high-tech solutions for Tunnelling. With a team composed of specialists with proven…
More Information | | +44 207 153 1055
Kiewit
What began with two brothers and a dream has grown — 130 years later — into one of the largest…
More Information | | + 1 (402) 977 4500
Komatsu Mining Corp. Group
Conveyor systems provide an efficient, reliable, cost-effective and lower-risk method of removing muck and spoil from tunneling excavation sites. Since the…
More Information | | + 44 (0) 870 252 5000
KrampeHarex GmbH & Co
In tunnel and mine construction, steel fibre concrete is used as sprayed concrete, site concrete, and concrete precast elements in…
More Information | | +49 (0) 2381 977 977
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Lake Shore Systems
Lake Shore Systems has been designing and manufacturing heavy equipment for the maritime and mining industries since 1858, we’ve become…
More Information | | + 1 (715) 362 1400
Line Power Manufacturing
Into the Mine on Time is more than just a slogan at Line Power Mfg. Corporation. We’re the market leader…
More Information | | + 1 (276) 466 8200
London Bridge Associates
London Bridge Associates (LBA) was founded in 2000 by a number of ex-Taylor Woodrow staff. The original team carved themselves…
More Information | | +44 (0) 208 399 8614
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Mace Group
Mace is an international consultancy and construction company, founded and built on exceptional people, a commitment to service excellence and…
More Information | | +44 20 3522 3000
Macrete
Founded in 1979, Macrete Ireland Ltd is at the forefront of the precast concrete engineering industry. Supplying materials and expertise…
More Information | | +44 (0)28 796 504 71
Major Diamond Supplies
Major Diamond Supplies was started in 2007 by current owner Shayne Major who has over 25 years experience in the…
More Information | | +44 1604 767 600
Malcolm Drilling
Malcolm Drilling Company, Inc. has for over 5 decades been an innovator and leader in the deep foundation industry. Malcolm’s…
More Information | | + 1 (415) 901 4400
Mapei
Thanks to innovative products, expert technical assistance and a global presence, Mapei is able to provide a key contribution to…
More Information | | +39 02 376731
Maxwell Geosystems
Maxwell GeoSystems are experienced Geotechnical Engineers with decades of boots-on-the-ground experience of major construction and infrastructure projects. We’re also Data…
More Information | | + 852 2581 2288
McMillen Jacobs Associates
McMillen Jacobs Associates is a multi-disciplined firm, with self-performing design-build capability. We are experts in tunneling and water resources and…
More Information | | + 1 (415) 434 1822
McNally International
McNally is recognized as Canada’s leading Tunnel Contractor, with experience building tunnels with a wide range of tunneling methods, for…
More Information | | + 1 (905) 549 6561
MineARC Systems
“MineARC will continue to set the benchmark for emergency safe-refuge systems worldwide; working closely with industry and regulatory partners, and…
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Mining Equipment
Mining Equipment specializes in rail mounted equipment. We have a very large inventory of diesel, battery and trolley locomotives in…
More Information | | +1 970-259-0412
Minova International
Started more than 40 years ago, Minova is a global manufacturer and supplier of chemical and mechanical ground control products,…
More Information | | +44 (0)1226 280 567
Moretrench
For more than 100 years, Moretrench has been serving the underground construction needs of the civil, environmental and industrial market…
More Information | | +1 973 627 2100
Mott MacDonald North America
We are providing programme and construction management for the US$7.3 billion East Side Access project in New York city, connecting…
More Information | | +1 973 912 2618
MST Global
We specialise in mining and tunnelling technology that empowers you to unearth safety and productivity improvements. Over the last 30…
More Information | | +61 2 9491 6500
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Nicholson Construction
We are a nationally-renowned geotechnical engineering and construction firm with more than 60 years of experience. Our history is made…
More Information | | + 1 (412) 221 4500
Nordseetaucher GmbH
he NORDSEETAUCHER GmbH was founded in February 1989 and is listed in the register of companies under Ahrensburg No. B…
More Information | | +49 4102 23180
Normet
NORMET is a fast growing and innovative technology company with a passion to offer continuous improvement to our partners’ processes for increased safety, productivity and profitability.
More Information | info@normet.com | +358 (0)17 83 241
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Optimas OE Solutions
Optimas is a global distributor of fasteners and c-class products. We provide supply chain and vendor management solutions with engineering…
More Information | | +33 3 8798 9035
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Pacadar
GRUPO PACADAR is the leading firm in Spain in the design, manufacture and assembly of precast, prestressed reinforced concrete structures. Grupo Pacadar’s…
More Information | | +34 915 297 900
Parsons
Parsons have provided innovative solutions to some of the largest, most complex tunneling and underground construction projects in the world,…
More Information | | +1 (703) 988 8500
PBE Rutherford
Pyott Boone Electronics was established in 1971 to supply the U.S. coal mining industry with the most technologically advanced communication…
More Information | | +44 203 943 5185
Pinssar
Pinssar designs, develops and manufactures DPM monitoring systems and devices that have been developed to offer greater measurement abilities –…
More Information | | +61 414 458 588
Promat International
Fires in tunnels are a major hazard to human life. Tunnel fires also cause costly damage to surrounding infrastructure. Limited…
More Information | | +32 1 571 33 51
Putzmeister
Putzmeister have been global leaders in the world of construction and mining since 1958. We develop, produce, sell and serve…
More Information | | +49 7127 599 – 0
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QME
QME was founded in 1985 by managing director Peter McParland, following a long family tradition in mining. Peter McParland is…
More Information | | +353 46 907 3709
QSP Packers
QSP Packers are proud to supply Quality products to our customers in the Grouting Industry (Dams, Tunneling & Deep Foundations);…
More Information | | + 1 (253) 770 0315
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Ramboll Group
Ramboll is a leading engineering, design and consultancy company founded in Denmark in 1945. Ramboll combines local experience with a global…
More Information | | +45 5161 1000
Reliable Contractors
Reliable Contractors have been providing contingency labour supporting tier one contractors on major infrastructure projects for over 40 years. As…
More Information | | +44 203 887 7801
Renesco
Renesco is a leading international company, specialized in the field of structural waterproofing and injections/grouting services. Established in 1965, Renesco…
More Information | | +41 313887421
Robbins
With more than 65 years of innovation and experience, The Robbins Company is the world’s foremost developer and manufacturer of advanced, underground construction machinery. Robbins has been involved in hundreds of tunnel boring projects around the world.
More Information | sales@robbinstbm.com | +1 440 248 3303
Robit
Robit Plc is a Finland-based company that develops, produces and markets button bits for rock drilling and casing systems for…
More Information | | +358 3 3140 3400
RST Instruments
World leaders in the design, manufacturing and sale of geotechnical, environmental and structural monitoring instruments and data collection. Provide reliable…
More Information | | +1 604 540 1100
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Sandvik
For more than 150 years, Sandvik has remained committed to developing the most advanced engineering solutions. From the first steel…
More Information | | + 46 (0) 26 260 000
SCCS Survey Equipment
The leading provider of technologically advanced surveying hardware and software equipment together with solutions for positioning and measuring in the…
More Information | | +44 1480 404888
Schauenburg Maschinen-und Anlagen-Bau
SCHAUENBURG MAB equipment has been operating for more than 40 years in all places where new tunnels are installed or…
More Information | | +49 (0) 151 57 13 79 66
Shay Murtagh Precast
Over four decades Shay Murtagh Precast, a family company, has become one of the leading manufacturers of precast concrete products…
More Information | | +353 44 93 74108
Sika
Underground construction for any purpose like road tunnels, railway tunnels, metro and utility tunnels are subjected to severe stress from…
More Information | | + 41 58 436 40 40
SIXENSE
SIXENSE is an international company with expertise in the fields of technical, digital and scientific solutions for the construction, civil…
More Information | | +33 (0)1 41 44 85 00
Skanska UK
Skanska is one of the world’s leading project development and construction groups – and our purpose of building for a…
More Information | | +44 (0)1923 776666
Soprema SRL
SOPREMA has been developing and diversifying its activities by including, over the years, additional operations to its traditional trade. By…
More Information | | +41 56 418 59 30
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TechCon Specialist Products
TechCon specialise in the supply of specialist construction products such as Injection Resins, Injection Pumps, Injection Accessories including packers. TechCon…
More Information | | +44 151 691 6682
Technical Tunnelling Components
Technical Tunnelling Components (TTC), designs and manufactures in-house a wide range of plastic components for precast segment connection and grouting….
More Information | | +44 1455 234 401
Tempo-PCE
Specialist grout injection for strengthening, waterproofing, ground stabilisation, heritage repairs, and leak sealing: Tempo-PCE offer innovative solutions and a unique…
More Information | | +44 (0)20 3794 4325
Terratec
Incorporated in 1990, TERRATEC is the world-renowned Australian designer and manufacturer of Tunnel Boring Machines, Raise Boring Machines and other custom-made products for tunnelling and mining applications….
More Information | info@terratec.com.au | +61 3622 33282
Tracey Concrete
Tracey Concrete is one of the largest precast concrete manufacturers in the UK and Ireland. With our extensive range of…
More Information | | +44 28 6632 6437
Traylor Bros
Traylor Bros., Inc. is one of the most respected and sought-after tunneling firms in a very specialized industry. We are…
More Information | | + 1 (812) 477 1542
Trolex
We have over 60 years’ experience developing market-leading safety technology products for hazardous environments. Operating within the mining, tunnelling, oil and gas…
More Information | | +44 (0) 161 483 1435
Tunnel Engineering Services
Formed in 1992 by Geoff Clarke, Tunnel Engineering Services (UK) Ltd has established an enviable reputation for the design and…
More Information | | +44 161 626 6005
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University of Exeter
Engineering at the University of Exeter combines science, creativity and critical thinking to solve significant challenges in society. Engineering has…
More Information | | +44 1392 724724
University of Warwick
Warwick’s School of Engineering is one of the leading engineering schools in the UK. We offer a range of specialist…
More Information | | +44 24 7652 8193
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Victaulic
Victaulic is the leading producer of mechanical pipe joining solutions. We build technologies and provide engineering services that address the most complex…
More Information | | +1 610 559 3300
VIP Polymers
Since 1923, VIP Polymers have been at the forefront of polymer engineering and are now recognised as one of the…
More Information | | +44 (0) 1480 442 526
VMT
Within the Herrenknecht AG group of companies, Dipl.-Ing. (FH) Manfred Messing established a two- man surveyor’s office on 4th April…
More Information | info@vmt-gmbh.de | +49 7251 9699 0
VVB Engineering
VVB provides Mechanical and Electrical Installation services for a variety of industries. VVB has specialist expertise in the construction, maintenance…
More Information | | +44 1268 711845
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W. GiertsenTunnel
WGT is a construction company operating in water proofing of tunnels and rock cavern. Our solution the Tunnel Sealing has…
More Information | | +47 55 94 30 30
WISKO America
WISKO America was established in 1987 and is now the leading Geomembrane installer for underground strucures in the US. With…
More Information | | + 1 (703) 378 7858
World Sensing
Providing critical intelligence for the maintenance and management of assets. As soon as a dam, bridge, tunnel or airport has been…
More Information | | + 34 93 418 05 85
WSP
WSP has one of the longest standing and extensive tunneling practices globally. In both rock and soft ground, we build…
More Information | | +1 514 340 0046
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Zhejiang Pretec Metal Products Co Ltd
Member of the Norwegian Pretec Group, we produce and offer to the market rock anchor bolts with particularly long service…
More Information | | +86 573 87878119
Zitron
A leader in the manufacture of ventilation systems for mining, public works and the naval sector; transport, drilling and lifting…
More Information | | +34 985 168 132