SEPTEMBER 2008

A&L Underground, www.alunderground.com

Advanced Drainage Systems, Inc., www.ads-pipe.com

American Pipeline Contractors Assn., www.americanpipeline.org

AnchorPipe International, Inc.

Arntzen

Asher Corporation, www.alasher.com

Astec Underground, www.astecunderground.com

Ballantine, Inc., www.ballantineinc.com

Barbco, Inc., www.barbco.com

Challenger Services, www.challengerservices.com

Connectra Fusion Technologies, www.connectrafusion.com

DCA, www.dca-online.org

DirecTec Company, www.directec-usa.com

Ditch Witch, www.ditchwitch.com

Dodge Chasis Cab, www.dodge.com/chassis_cab

E&M Specialty Company

Environmental Crossings, www.ecihdd.com

Formex Manufacturing, Inc., www.formex.com

Forrer Supply, www.forrersupply.com

General Machine Products Co., www.gmptools.com

HARCO, www.harcofittings.com

HDD Company, www.hddcompany.com

Hammerhead, www.hammerheadmole.com

Hancor, www.hancor.com

Harding Directional Drilling, www.hardingdrilling.com

Hobas Pipe USA, Inc., www.hobaspipe.com/uc.html

Horizontal Technology, Inc., www.horizontaltech.com

INROCK/Drillers Supply, www.inrock.com

ISCO Industries, www.isco-pipe.com

Interplastic Corporation

Jet-Lube, www.jetlube.com

John Deere Construction Equipment, www.deere.com/ind

Kenco Construction Products, www.kenco.com

Kundel, www.kundel.com

Laney Directional Drilling, www.laneydrilling.com

Laney Machine, Inc., www.laneydrilling.com

Lee Supply Company, www.leesupply.com

Mala Geoscience USA, Inc.

McElroy Manufacturing, www.mcelroy.com

McLaughlin Group, Inc., www.mightymole.com

Mears Group, Inc., www.mears.net

Melfred Borzall, www.melfredborzall.com

Metrotech Corporation, www.metrotech.com

Michels Corporation, www.michels-usa.com

Moffatt Enterprises

Mud Technology International, Inc., www.mud-tech.com

Municipal Sales, Inc.

NESCO Sales & Rentals, www.nescosales.com

NUCA

National Liner

Pipeline Inspection Co., Inc., www.picltd.com

Pipeline Pigging Products, www.pipepigs.com

Pipeline Products, Inc., www.pipelineproducts.com

Poweram Company, www.poweram.com

Premier Drillpipe, www.premierdrillpipe.com

Price Gregory, www.hcprice.com

Prism Integrated Solutions, Inc.

Pro-Mark, www.promarksupply.com

Quality Mat Company

RAUSCH Electronics USA, LLC, www.rauschtv.com

Radius HDD Tools, www.radiushdd.com

Railhead Underground Products, www.railhead.com

Raydon Enterprises, Inc., www.raydonindustries.com

Rehabilitation Resource Solutions LLC

Roose Mfg, www.roosemfg.com

Sauereisen, www.sauereisen.com

Sewerin USA LLC, www.sewerin.net

Sharewell LP, www.Sharewell.com

Skyline Steel, www.skylinesteel.com

Slabach Enterprises, www.slabach.com

Super Products, www.superproductscorp.com

TESMEC U.S.A., www.tesmec.com

TT Technologies, www.tttechnologies.com

The Robbins Company, www.robbinstbm.com

Trench-Tech, www.trenchtech.com

Tri-Flow International, Inc., www.triflo.com

UCT 2009, www.uctonline.com

Underground Devices, www.udevices.com

United Rentals, Inc., www.unitedrentals.com

Vac-Tron Equipment, www.vactron.com

Vacmasters, a Division of Barone, Inc., www.vacmasters.com

Vanair, www.vanair.com

Vermeer Corporation, www.vermeer.com

WEFTEC, www.weftec.org

Wyo-Ben, Inc., www.wyoben.com