ABC Ventilation Systems
A 223
1802 Quebec Ave, Saskatoon, SK, S7K 1W2, Canada
Ground Improvement Equipment and Services
Advanced Construction Chemicals
A 620
Frankrijklei 5, Antwerp, 2000, Belgium
Concrete Reinforcement
Advanced Infrastructure Design
A 816
1 Crossroads Dr, Hamilton, NJ, 08691, United States of America
Consulting Engineers
AECOM
A 206
1111 3rd Ave, Ste 1600, Seattle, WA, 98101, United States of America
Consulting Engineers
Aerix Industries
A 318
7020 Snowdrift, Allentown, PA, 18106, United States of America
Grouting Services, Equipment and Materials
AGRU America, Inc
A 135
500 Garrison Rd, Georgetown, SC, 29440, United States of America
Microtunneling Equipment, Tools, and Supplies
Alava International
A 915
95 Merrick Way, 3rd Flr, Ste 352, Miami, Florida, 33134, United States of America
Construction - Contracting Services
Algaher S.A.
A 808
CTRA. CORELLA Km1, Alfaro, La Rioja, 26540, Spain
Segment Accessories
Amberg Canada Ltd
A 311
181 University Ave, Ste 2100, Toronto, ON, M5H-3M7, Canada
Consulting Engineers
AmerCable
A 615
350 Bailey Rd, AmerCable, El Dorado, AR, 71730, United States of America
Consulting Engineers
Antraquip Corp
A 211
758 Bowman Ave, Hagerstown, MD, 21740, United States of America
Roadheaders
Arup
A 306
140 Broadway, New York, NY, 10005, United States of America
Consulting Engineers
ARX/Pini Group
A 424
609 H St NE, Ste 433, Washington, DC, District of Columbia, 20002, United States of America
Construction - Contracting Services
ASI Marine
A 235
3176 Abbott Road, Building A, Suite 100A, Orchard Park, NY, 14127, United States of America
Air Locks and Bulkheads
Avanti International
A 908
822 Bay Star Blvd, Webster, TX, 77598, United States of America
Ground Improvement Equipment and Services
BabEng, LLC
A 314
14906 209th Ave Ct. E., Bonney Lake, WA, 98391, United States of America
Computer Hardware and Software
Ballard Marine Construction
A 418
727 S 27th St, Washougal, WA, 98671, United States of America
Construction - Contracting Services
Balsam Laboratory Company Ltd
A 1021
3737 Oak St, #202, Vancouver, BC, V6H 2M4, Canada
Earth Pressure Balance Machines
BarChip Inc
A 903
PO Box 629, Waxhaw, NC, 28173, United States of America
Concrete Reinforcement
Barco Rent A Truck
A 920
717 so 5600 west, Salt Lake City, UT, 84104, United States of America
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Bekaert
A 108
4300 Wildwood Parkway, Ste 100, Suite 100, Atlanta, GA, 30339, United States of America
Concrete Reinforcement
Bessac
A 302
5161 Arapahoe Rd, Ste 420, Centennial, CO, 80112, United States of America
Construction - Contracting Services
Brokk Inc
A 323
17321 Tye St SE, Ste B, Monroe, WA, 98272, United States of America
Underground Excavation Services and Equipment
Brookville Equipment Corp
A 107
175 Evans St, Brookville, PA, 15825, United States of America
Mining Equipment
CAB
A 1007
175 Industrial Park Rd, Ebensburg, PA, 15931, United States of America
Electrical - Generator-Motor, Wire-Cable
Carroll Technologies Group
A 232
6822 Barger Pond Way, Knoxville, TN, 37912, United States of America
Dust and Fume Control Technology
CBE GROUP
A 812
17 rue Frederic Joliot-Curie, Saint-Avertin, 37550, France
Engineering Design and Services for Tunnels
CDM Smith
A 205
75 State St, Ste 701, Boston, MA, 02109, United States of America
Consulting Engineers
CERIB
A 819
1 rue des Longs Réages, Epernon, 28230, France
Consulting Engineers
Channeline International Fiber Glass Manufacturing LLC
A 712
Plot 597-546, Street 35, Community 597, Dubai Investment Park 2, Dubai, 00000, United Arab Emirates
Tunnel Lining and Support Materials
ChemGrout, Inc
A 417
805 E 31st St, LaGrange Park, IL, 60526, United States of America
Grouting Services, Equipment and Materials
CJGeo
A 703
3402 Acorn St, Ste 202, Williamsburg, VA, 23188, United States of America
Construction - Contracting Services
Cowin & Company/Raisebor
A 715
301 Industrial Dr, Birmingham, AL, 35211, United States of America
Construction - Contracting Services
CREG TBM Germany GmbH
A 422
Willstätterstraße 15, Düsseldorf, Nordrhein-Westfalen, 40549, Germany
Conveyor Equipment and Systems
CSE Corporation - Biomarine
A 400
1001 Corporate Ln, Export, PA, 15632, United States of America
Educational
Daigh Company, Inc
A 419
84 Buford Dam Rd, Cumming, GA, 30040, United States of America
Explosive Materials and Services
David R. Klug & Associates, Inc
A 129
1994 Lumber Ave, Wheeling, WV, 26003, United States of America
Concrete Reinforcement
Delta Conveyance Design and Construction Joint Powers Authority
A 730
980 9th Street, Ste 2400, Sacramento, CA, 95814, United States of America
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Delve Underground
A 319
49 Stevenson St, #1200, 49 Stevenson Street, Suite 1200, San Francisco, CA, 94105, United States of America
Consulting Engineers
Dibit Measuring Technique USA, Inc.
A 431
14911 Ash Landing Dr, Conroe, TX, 77302, United States of America
Computer Hardware and Software
Dolenco Tunnel Systems
A 1019
Fredrik Bajers Vej 300, Aalborg, 9220, Denmark
Consulting Engineers
Dr. Sauer & Partners Corp
A 1020
560 Herndon Pkwy, Ste 310, Herndon, VA, 20170, United States of America
Consulting Engineers
Drill Tech Drilling & Shoring, Inc
A 704
2200 Wymore Ave, Antioch, California, 94509, United States of America
—
DUCROCQ ENGINEERING
A 814
ZA ECUIRES, 168 rue du Tortillard, MONTREUIL SUR MER, FRANCE, 62170, France
Consulting Engineers
EC Applications - Tunnel Lining
A 430
901 E Orangethorpe Ave, Anaheim, CA, 92801, United States of America
Construction - Contracting Services
Ecoquipment Rentals
A 405
75 Stedman St, Boston, MA, 02130, United States of America
Concrete Mixing and Transportation Equipment
Eddyfi Remote Monitoring
A 1016
366 Walker Drive, Suite 200, Brooklyn, State College, PA, 16801, United States of America
Geological, Geotechnical Services and Equipment
EPC Consultants
A 720
101A Clay St. #110, San Francisco, CA, 94111, United States of America
Consulting Engineers
Epiroc
A 120
8001 Arista Pl, Ste 400, Broomfield, CO, 80021, United States of America
Hydraulic Hammers and Drills
Equipment Corporation of America
A 905
1000 Station Street, Coraopolis, PA, 15108, United States of America
Drilling Services and Equipment
Everest Equipment Co
A 305
1077 Westmount St, Ayer's Cliff, QC, J0B 1C0, Canada
Engineering Design and Services for Tunnels
EXIM - Export-Import Bank of the United States
A 412
811 Vermont Ave, NW, Washington, DC, 20571, United States of America
Educational
Fiori Group S.p.A
A 426
8333 NW 53 Rd St, Ste 450, Doral, FL, 33166, United States of America
Concrete Mixing and Transportation Equipment
FlatironDragados
A 1010
385 Interlocken Crescent, Ste 900, Broomfield, CO, 80021, United States of America
Construction - Contracting Services
Gall Zeidler Consultants
A 325
44345 Premier Plz, Ste 210, Ashburn, VA, 20147, United States of America
Concrete Reinforcement
GCP Applied Technologies/De Neef
A 702
20 Moores Rd, Malvern, PA, 19355, United States of America
Concrete Reinforcement
Geo-Instruments
A 102
24 B Celestial Dr, Narragansett, RI, 02882, United States of America
Control Systems
Geobrugg North America, LLC
A 709
22 Centro Algodones, Algodones, New Mexico, 87001, United States of America
Safety Products
Geocomp, Inc/GeoTesting Express, LLC
A 901
125 Nagog Park, Acton, MA, 01720, United States of America
Consulting Engineers
Geokon
A 201
48 Spencer Street, Lebanon, NH, 03766, United States of America
Geological, Geotechnical Services and Equipment
Geosense Ltd
A 910
15 West 38th Street, Ste 632, New York, 10018, United States of America
Geological, Geotechnical Services and Equipment
Gomez International, Inc
A 310
1415 E Elwood St, Phoenix, AZ, 85040, United States of America
Electrical - Generator-Motor, Wire-Cable
H+E Logistics
A 112
1613 132nd Ave E, Ste 200, Sumner, WA, 98390, United States of America
Conveyor Equipment and Systems
Hager-Richter Geoscience, Inc
A 428
26 Kendall Pond Rd, Derry, NH, 03038, United States of America
Consulting Engineers
Hatch
A 332
2800 Speakman Dr, Mississauga, ON, L5K 2R7, Canada
Construction - Contracting Services
HB Trenchless
A 612
1310 Rankin Rd, Bldg 18, Ste 200, Houston, TX, 77073, United States of America
Earth Pressure Balance Machines
Herrenknecht Tunnelling Systems
A 113
1613 132nd Ave E, Ste 200, Sumner, WA, 98390, United States of America
Earth Pressure Balance Machines
HNTB Corp
A 212
350th 5th Ave, 57th Flr, Empire State Building, New York, NY, 10118, United States of America
Engineering Design and Services for Tunnels
HOBAS Pipe USA
A 229
19319 Oil Center Boulevard, Houston, TX, 77073, United States of America
Underground Utility Materials and Operations
HYTORC
A 716
333 NJ-17 N, Mahwah, NJ, 07430, United States of America
Construction - Contracting Services
infraMOD - A Saskarc Company
A 1011
2 Marconi Road, Oxbow, Saskatchewan, S0C 2B0, Canada
—
Infrazign
A 1023
10432 Balls Ford Rd, Ste 300, Manassas, VA, 20109, United States of America
Consulting Engineers
IPI Packers
A 409
PO Box 2446, 18 Pepsi Dr, Red Lodge, MT, 59068, United States of America
Ground Improvement Equipment and Services
JENNMAR Civil
A 119
258 Kappa Dr, Pittsburgh, PA, 15238, United States of America
Geological, Geotechnical Services and Equipment
Keller
A 100
7550 Teague Road, Ste 300, Suite 300, Hanover, MD, 21076, United States of America
Drilling Services and Equipment
Kelley Engineered Equipment, LLC
A 425
22010 Fowler Dr, Gretna, NE, 68028, United States of America
Consulting Engineers
Kern Tunneltechnik
A 803
Via Zorzi 4, Lugano-Paradiso, CH-6900, Switzerland
Engineering Design and Services for Tunnels
Kings Engineering
A 916
57 Gardiner Street, Rutherford, New South Wales, 2320, Australia
Fabrication Materials
LJB Inc.
A 811
2500 Newmark Dr, Miamisburg, OH, 45243, United States of America
—
Lowers Welding & Fabrication INC
A 710
10847 Painter Ave, Santa Fe Springs, CA, 90670, United States of America
Fabrication Materials
Malcolm Drilling Co Inc
A 322
92 Natoma St, San Francisco, CA, 94105, United States of America
Drilling Services and Equipment
MAPEI Corp
A 208
1144 E Newport Center Dr, Deerfield Beach, FL, 33442, United States of America
Concrete Reinforcement
Master Builders Solutions
A 109
23700 Chagrin Blvd, Beachwood, OH, 44122, United States of America
Earth Pressure Balance Machines
Maxon Industries, Inc
A 805
3204 W Mill Rd, Milwaukee, WI, 53209, United States of America
Concrete Mixing and Transportation Equipment
McDowell Equipment Ltd
A 133
2018 Kingsway, Sudbury, ON, P3B 4J8, Canada
Concrete Mixing and Transportation Equipment
Messinger Bearings
A 421
10385 Drummond Rd, Philadelphia, PA, 19154, United States of America
Tunnel Boring Equipment
MIDAS
A 1015
450 7th Ave, New York, NY, 10123, United States of America
Computer Hardware and Software
Miller Contracting Services
A 423
9580 State Route 13 W, Carrier Mills, IL, 62917, United States of America
Construction - Contracting Services
Mining Equipment Ltd
A 224
484 Turner Dr, Ste 201C, Durango, CO, 81303, United States of America
Ventilation Systems, Materials and Equipment
Minova
A 420
150 Summer Court, Georgetown, KY, 40324, United States of America
Grouting Services, Equipment and Materials
Moldequipo Internacional
A 410
Jose Rosas Moreno 56, Col. San Rafael, Mexico City, CDMX, 06470, Mexico
Conveyor Equipment and Systems
Mott MacDonald
A 125
111 Wood Ave S, Iselin, NJ, 08830, United States of America
Consulting Engineers
MSP Structures Inc
A 432
825 Bernard, suite 2, Granby, QC, J2J0H5, Canada
Consulting Engineers
Naylor Pipe Company
A 320
1230 E 92nd St, Chicago, IL, 60619, United States of America
Steel Pipe
Nicholson Construction Co
A 300
4000 Town Center, Suite 420, Canonsburg, PA, 15317, United States of America
Construction - Contracting Services
NLT Digital Solutions Inc
A 407
300 Delaware Ave. Ste 210, Wilmington, Delaware, 19801, United States of America
Control Systems
Orica Digital Solutions
A 909
11545 Kingston St, Maple Ridge, BC, V2X 0Z5, Canada
Engineering Design and Services for Tunnels
Pacific International Grout Company
A 714
3850 Mustang Way, Bellingham, WA, 98226, United States of America
Ground Improvement Equipment and Services
Palmieri S.p.A.
A 307
Via dell'Industria n.58, Gaggio Montano, BO, 40041, Italy
Drilling Services and Equipment
Parsons
A 301
5875 Trinity Pkwy, Ste 300, Centreville, VA, 20120, United States of America
Construction - Contracting Services
PCCI Hyperbaric Systems
A 630
300 North Lee St., Ste 201, Alexandria, VA, 22314, United States of America
—
PPS-Poltinger Precision Systems GmbH
A 713
Mondstr. 2-4, Feldkirchen, 85622, Germany
Instrumentation Equipment and Services
Prime Resins
A 616
2291 Plunkett RD NW, Conyers, GA, 30012, United States of America
Geological, Geotechnical Services and Equipment
PROGRESS GROUP GmbH
A 907
Zeil 127, Frankfurt am Main, 60313, Germany
Concrete Reinforcement
Promat International NV
A 324
1731 Fred Lawson Dr, Maryville, TN, 37801, United States of America
Engineering Design and Services for Tunnels
Provost & Pritchard Consulting Group
A 402
1194 Hwy 49, Ste B, Sonora, CA, 95370, United States of America
Consulting Engineers
Renesco / Marti Technik AG
A 335
45915 Maries Rd., Ste 168, Sterling, VA, 20166, United States of America
Grouting Services, Equipment and Materials
Richard Goettle, Inc
A 806
12071 Hamilton Ave, Cincinnati, OH, 45231, United States of America
Construction - Contracting Services
Richway Industries
A 328
504 N Maple, Janesville, IA, 50647, United States of America
Grouting Services, Equipment and Materials
Robbins
A 124
29100 Hall St, Solon, OH, 44139, United States of America
Conveyor Equipment and Systems
RockZone Americas
A 415
801 Pleasant View Blvd, Bellefonte, PA, 16823, United States of America
Mining Equipment
Rocscience
A 308
18 king street, Suite 1700, Rocscience, Toronto, ON, M5C 1C4, Canada
Computer Hardware and Software
Ruen Drilling, Inc
A 313
2320 River Rd, Clark Fork, ID, 83811, United States of America
Drilling Services and Equipment
Schnabel Engineering
A 427
12720 Hillcrest Road, Ste 585, Dallas, TX, 75230, United States of America
Consulting Engineers
Schnabel Foundation Company
A 1012
21355 Ridgetop Cir Ste 250, Sterling, VA, 20166, United States of America
—
SEALABLE Solutions GmbH (formerly Datwyler Sealing Technology)
A 802
Eisenacher Landstrasse 70, Waltershausen, Thuringia, D-99880, Germany
Precast Concrete Linings
Seequent
A 914
685 Stockton Drive, Exton, PA, 19341, United States of America
Computer Hardware and Software
Shannon & Wilson, Inc
A 414
400 N 34th St, Ste 100, Seattle, WA, 98103, United States of America
Consulting Engineers
Shotcrete Technologies, Inc
A 207
PO Box 3274, 1431 Miner St, Idaho Springs, CO, 80452, United States of America
Microtunneling Equipment, Tools, and Supplies
Sigicom Inc
A 822
2636 Midpoint Dr ste b,, Fort Collins, CO, 80525, United States of America
Instrumentation Equipment and Services
Sika Corporation
A 101
201 Polito Avenue, Lyndhurst, NJ, 07071, United States of America
Concrete Reinforcement
Simem Underground Solutions, Inc
A 701
1A - 30528 Great Northern Ave, Abbotsford, BC, V2T 6H4, Canada
Concrete Mixing and Transportation Equipment
SIXENSE
A 304
11812 N Creek Pkwy N, Ste 104, Bothell, WA, 98011, United States of America
Computer Hardware and Software
SoilFreeze Inc
A 330
5931 238th St SE, Ste 201, Woodinville, WA, 98072, United States of America
Ground Freezing
Southern Nevada Water Authority
A 404
100 City Pkwy, Ste 700, Las Vegas, NV, 89106, United States of America
—
Special Mine Services, Inc.
A 408
11782 Country Club Road, West Frankfort, Illinois, 62896, United States of America
Conveyor Equipment and Systems
Spendrup Fan Co/CFT
A 411
PO Box 4308, Grand Junction, CO, 81502, United States of America
Dust and Fume Control Technology
Stantec
A 219
3133 W Frye Rd, Suite 300, Chandler, AZ, 85226, United States of America
Consulting Engineers
Stiver Engineering
A 708
1305 Peden St, Houston, TX, 77006, United States of America
Air Locks and Bulkheads
STM Conveyor Systems
A 705
Zona Industriale Tito Scalo, Potenza, 85050, Italy
Conveyor Equipment and Systems
Strata Worldwide | Tunneling
A 434
8800 Roswell Rd, Ste 145, Sandy Springs, GA, 30350, United States of America
Geological, Geotechnical Services and Equipment
STV Inc
A 707
350 Fifth Ave., 10th Floor, New York, NY, 10118, United States of America
Consulting Engineers
Subterranean Boring Inc
A 813
15000 W 44th Ave Ste C, Golden, CO, 80403, United States of America
—
Technical Tunnelling Components LTD (TTC)
A 801
Unit K Radius Ct, Tungsten Pk, Hinckley, Leicester, LE10 3BE, United Kingdom
Grouting Services, Equipment and Materials
Technogenia Inc
A 809
708 Old Montgomery Rd, Conroe, TX, 77301, United States of America
Abrasion and Impact Resistant Materials
Tecwill Shotcrete and CRF&CAF Plants
A 722
191 Eglinton Avenue East, Suite 309, Toronto, Ontario, M4P 1K1, Canada
Concrete Mixing and Transportation Equipment
TNL18
A 810
351 Route De Givors, Chasse Sur Rhone, 38670, France
Soil Conditioning Equipment and Materials
Towill, Inc.
A 329
2300 Clayton Rd., Ste 1200, Concord, CA, 94520, United States of America
Consulting Engineers
Trakkom Engineering & Industries
A 706
Unit C3 E, 1585 Brittania Rd, Mississauga, ON, L4W-2M4, Canada
—
Traylor Bros., Inc.
A 614
835 N Congress Ave, Evansville, IN, 47715, United States of America
Construction - Contracting Services
TRE ALTAMIRA Inc
A 804
475 W Georgia St, Ste #410, Vancouver, BC, V6B 4M9, Canada
Consulting Engineers
Trelleborg Ridderkerk BV
A 719
350 Fascinatio Blvd, 11th Flr, Rotterdam, 3065WB, Netherlands
Air Locks and Bulkheads
Treviicos
A 1014
38 3rd Ave, Charlestown, MA, 02129, United States of America
—
Tsurumi Pump
A 711
1625 Fullerton Ct, Glendale Heights, IL, 60139, United States of America
Mining Equipment
Tunnel Business Magazine (TBM)
A 403
3554 Brecksville Rd, Ste 200, Richfield, OH, 44286, United States of America
Educational
Tunnel Radio of America, Inc
A 911
6435 Hyslop Rd, Corvallis, OR, 97330, United States of America
Tunnel Communication Systems and Equipment
Tunneling Journal
A 110
The Old Library, Webster House, Dudley Road, Tunbridge Wells, Kent, TN1 1LE, United Kingdom
Educational
Tunnels & Tunnelling
A 929
John Carpenter House, London, EC4Y 0BS, United Kingdom
Educational
TunnelTalk
A 1008
21001 N Tatum Blvd, Ste 1630-274, Phoenix, AZ, 85050, United States of America
Educational
United Rentals Trench Safety
A 820
3505 Manchester Trafficway, Kansas City, MO, 64129, United States of America
Engineering Design and Services for Tunnels
VMT
A 114
1613 132nd Ave E., Ste 200, Ste 200, Sumner, WA, 98390, United States of America
Instrumentation Equipment and Services
Williams Form Engineering Corp
A 617
8165 Graphic Dr, Belmont, MI, 49306, United States of America
Concrete Reinforcement
Wimmer Felstechnik GmbH
A 401
Industriestraße 3, Thalgau, 5303, Austria
—
WSP
A 919
One Penn Plaza, 4th floor, New York, NY, 10119, United States of America
Consulting Engineers
x-Glo North America Inc
A 1009
2335 Lasalle Blvd., Unit C, Sudbury, ON, P3A 2A9, Canada
Control Systems
Yamamoto Rock Splitter
A 912
3 Germay Dr, Unit 4 #2882, Wilmington, DE, 19804, United States of America
Drilling Services and Equipment
Zitron USA
A 913
PO Box 2668, Beckley, WV, 25802, United States of America
Control Systems