2013 RETC
Rapid Excavation & Tunneling
Conference & Exhibit
June 23-26, 2013
Marriott Wardman Park
Washington, DC


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Tensar International Corp. Power Curbers Inc. SOLD Roscience Inc. Crux Subsurface, Inc. North American Tunneling Journal Tunnel Business Magazine Tunnels & Tunnelling Palmieri USA CTS Cement Mfg. Corp. Halfen Acchoring Systems Jacobs Engineering Laborers - Employer Coop. and Educational Trust C2PM Cosella-Dorken Products Inc. Texcel Monitoring Solutions Technical Tunnelling Components LTD (TTC) Condon-Johnson & Assoc. Inc. Cellular Concrete Solutions Layne GeoConstruction Parsons SIREG S.P.A. McDowell Brothers Industries Inc. DeNeef Construction Chemicals S&B Industrial Minerals World Tunnelling David R. Klug & Associates Inc. QSP Packers, LLC ChemGrout, Inc. ABC Industries, Inc. Mining Technologies International Inc. Arup Stirling Lloyd Messinger Bearings MineARC Systems Anderson Drilling Tacs gmbh Permalok Corp Pacchiosi Drill Surecrete Inc./Nittetsu Midwest Industrial Supply, Inc. Team Mixing Technologies, Inc. GEODATA Group DSI Underground Systems/American Commercial Avanti International Shannon & Wilson Inc. The Robbins Co. Elasto Plastic Concrete Sandvik Mining and Construction Zed Tunnel Guidance Potti Corp. Midasoft Inc. ABC Ventilation Systems Shurjoint Piping Products Geokon, Inc. Bekaert Corp. Derrick Equipment Co. MWH Global Phoenix Dichtungstechnik GmbH Alpine Sales & Rental Corp. Daigh Company, Inc. Schauenburg - CFT Compact Filter Tech. The University of TX at Austin URS Corporation Babendererde Engineers, LLC Gregg Drilling and Testing, Inc. Shotcrete Technologies, Inc. Malcolm Drilling Co., Inc. Jennmar Corp. Halcrow Williams Form Engineering Corp. Antraquip Corp. Paul C. Rizzo Associates, Inc. VMT GmbH Ruen Drilling, Inc. Brookvile Equipment Corp. BASF Construction Chemicals LLC Heintzmann Corp. Hatch Mott MacDonald Caterpillar Tunneling Canada Corp. Cambria County Assn. for Blind & Handicapped Allentown Shotcrete Technology, Inc. AECOM Sika Corp. GeoTesting Express, Inc. Rasa Corp. Geocomp Corp. ILF Consultants, Inc. American Chemical Technologies Dibit Measuring Technique Mining Equipment Ltd. W.R. Grace & Co. CDM Parsons Brinckerhoff Minova USA Inc. Nicholson Construction Co. Atlas Copco CMT-USA, Inc. Jacobs Associates Hobas Pipe USA Irwin Car and Equip. TAM International Inc. Towill, Inc. Everest Equipment Co. Maccaferri Inc. Amberg Engineering AG Amberg Technologies AG Normet Americas, Inc. Herrenknecht Tunnelling Systems USA, Inc. Agru America, Inc. Ballard Diving and Salvage Hyperbaric SPPT Akkerman, Inc. PBS&J P&H MinePro-Continental Conveyor Boart Longyear Orica Mining Services HIC Fibers, Inc. Line Power SELI SPA The Euclid Chemical Co. Hughes Brothers, Inc. Becker Wholesale Mine Supply, LLC Fibercon Intnl. Hayward Baker Inc. Naylor Pipe Co. Kaydon Corp. Moretrench Baroid Industrial Drilling Products