Pipeline Operators (Liquids & Natural Gas) and Natural Gas Distribution Operators |
| Action Pipeline |
| AEP Houston Pipe Line Co. |
| Arkansas-Oklahoma Gas Company |
| Arkansas Western Gas Company |
| BP America Production Company |
| BP – Central West |
| BP Grand Island, LA PRESS |
| CenterPoint Energy Liquid Pipeline Operations |
| CenterPoint Energy Gas Transmission |
| Cleco Energy, LLC |
| CMS Panhandle Companies |
| ConocoPhillips PRESS |
| El Paso Energy |
| El Paso Production Co. |
| Enogex |
| Enron Oil Trading & Transportation |
| Enron Transportation Services |
| Enstor |
| Entergy |
| Equistar Pipeline |
| Florida Gas Transmission Co. |
| Gulf South Pipeline Company, LP |
| Hanover Compression Ltd. Partnership |
| Hunt Oil Company |
| Hunt Petroleum |
|
| Illinois Pipeline |
| Iroquois Pipeline PRESS |
| Linde Gas, Inc. |
| Mississippi River Transmission Corp. |
| Mustang Fuel Corporation |
| Northern Border Pipeline |
| Northern Natural Gas |
| Oakhill Pipeline L.P. |
| Oncor Group |
| Ozark Gas Transmission |
| Ozark Pacific, Inc. |
| Pine Pipeline |
| San Juan Gas Company |
| Shell Gas Transmission PRESS |
| Southern Natural Gas |
| Sprint Pipeline Services LP |
| Stroud Petroleum, Inc. |
| Tejas Gas Transmission (Kinder-Morgan) PRESS PRESS |
| Tenaska -- Georgia |
| Terminal Pipeline Management |
| TransMontaigne |
| Transok |
| Transwestern Pipeline |
| Wise County Power |
|
| |
| Petro Chemical/Gas Processing |
| Atofina Petrochemicals, Inc. PRESS |
| Belvan Corporation |
| Calumet Lubricants Company, LP |
| CenterPoint Energy Field Services |
| CDX Gas LLC |
| Coastal Chemical, Inc. |
| Dupont Dow Elastomers - LaPlace, LA |
| Dupont Dow Elastomers - Louisville, KY |
| Dupont Dow Elastomers - Newark, DE |
| Eastman Chemical Company |
| Link Energy |
| Sago Energy, LP |
| Sasol, North America PRESS |
| Texas Eastman Chemical Corp. |
| Torch Energy Services |
| Westlake Chemical Corporation |
| X-Chem, Inc. |
| |
| Field Services Operators |
| CenterPoint Energy Pipeline Services |
| Duke Energy Field Services |
| El Paso Field Services |
| Field Service Solutions |
| Link Field Services |
| Mission Resources |
| Ozark Field Services |
| Scott Field Services |
| Thunder Creek Gas Services PRESS |
| |
| Contractors |
| A-OK Construction |
| Action Oil Field Services, Inc. |
| Action Petroleum Services Corporation |
| Advanced GIS Technology LLC |
| A-Lert Construction |
| Alpha Leak Detection & Pipeline Services |
| American Consulting & Testing |
| Applied Consultants, Inc. |
| Arklahoma Pipeline, Inc. PRESS |
| Arkansas Utility Protection Services (Pipeline Locating) |
| Aspen Energy Sales and Service |
| Automation, Motion & Process Control, Inc. |
| B & D Fence Company |
| Block Service Painting |
| Baker-Petrolite |
| Basic Systems, Inc. |
| Bass Engineering PRESS |
| Bayou City Industrial Contractors |
| Big Horn Technology |
| Big Inch Fabricators & Construction |
| Booth Environmental |
| Brammer Engineering, Inc. |
| Brewer Aviation LLC |
| Brock Service Painting |
| C & A Development |
| C & C Pipeline |
| C & F Pipeline Construction, LLC |
| C & S Lease Services |
| CALCO, Inc. |
| Caswell Contract Mowing |
| CBC Services |
| Centurion Industries, Inc. |
| CGC Enterprises, Inc. |
| Charco, Inc. |
| Charlie's Electric & Instrument Co. |
| Collins Industrial Coatings |
| Collins Pipeline Construction LLC |
| Cooper Cameron Valves |
| Dale Stockstill and Associates |
| Danny Creech & Sons Commercial Mowing |
| Danny Wright Dozer & Pipeline, Inc. |
| D & H Safety LLC |
| Delta Construction |
| DeRamus Excavating, Inc. |
| Diamond Services Company |
| Digicon, Inc. |
| Dresser-Rand |
| Double M Construction |
| Dozer & Pipeline, Inc. |
| Driver Pipeline Company |
| Droemer Construction |
| EFC Valve & Controls |
| ElMar Consulting, LLC |
| Ercon, Inc. |
| Folley's Painting Services |
| Foltz Construction, Inc. |
| Fostaire Helicopter |
| GSK Cathodic Protection, Inc. |
| Gary Babb |
| General Fabrication & Service, Inc. |
| Gevalco, Inc. |
| Gruy Petroleum Management |
| Gulf Services Ltd. |
| Guthrie Consultants & Inspection Service |
| Haines Construction Company |
| Halgo, Inc. PRESS |
| Harry Boyington Construction |
| HIS Pipeline, LLC |
| Hollingsworth Construction Co., Inc. |
| Holtzclaw Contracting Services LLC |
| Homer Rinehart Co. |
| Howe Corrosion, Inc. PRESS |
| Hubb Energy Services, Inc. |
| Industrial Control Systems, Inc. |
| J & H Plant Construction, Inc. |
| J.S. James Company |
| Johnson Automation & Controls Corp. |
| Justin's Backhoe Service |
| K-Hott, Inc. |
| Kenny's Welding Service, Inc. |
| Kantex Industries |
| Kent Weaver |
|
| LLLL Construction PRESS |
| Lamb's Services |
| Lessman Excavating, Inc. |
| Link Field Services |
| Long's Underground Technologies, Inc. |
| Longview Inspection, Inc. |
| Lyle C. Reed, Inc. |
| M. J. Sheridan |
| M & W Industrial Services |
| Marcum Pipeline PRESS |
| Martin Specialty Coatings, Inc. |
| Martin Painting Contractors |
| Maxline Construction, LLC |
| Mid-State Contractors |
| Mikel's Construction Co., Inc. |
| Miller, Legg & Associates, Inc. |
| Mission Resources Corporation |
| Mound Excavating, LLC |
| Mustang Engineering LP |
| N. Ray Davis Construction, Inc. |
| Natchitoches Right-of-Way, Inc. |
| North Houston Pole |
| Parker & Son, Inc. |
| Patton's Service Company, Inc. |
| PCI Maintenance |
| Pilgrim Construction Company, LLC |
| Pipeline services, Inc. |
| Powe Mowing Service |
| Pro Mowers |
| Quanta Services, Inc. |
| R. D. Crumley & Sons, Inc. |
| R & K Construction |
| R & R Pipeline Construction Company |
| Ray Davis Construction |
| Reed Construction & Maintenance Service |
| Riddle's Dehy and Chemical Company, Inc. |
| River Parish Contractors |
| Rock Construction, LLC |
| Rolling Bear Construction, Inc. |
| Rolls-Royce Energy Systems, Inc. PRESS |
| Runnels Contracting |
| Safety, Inc. |
| S.A.C. Wireline, Inc. |
| SCS Services LLC |
| Sammy Frisby |
| Scopena Lefler Farms, Inc. |
| SCS Services |
| Sewall Company |
| Shaw Environmental Group |
| Shaw Global Energy Services, Inc. |
| Smith Equipment Rental & Services, Inc. |
| Socagee Services |
| Sooner Survey Incorporated |
| South Central Construction, Inc. |
| Southern Oil Field Services |
| Southwestern Road Boring Co. |
| Stafford Construction |
| Staid Pipeline |
| Steve Sanders Construction |
| Submar, Inc. |
| Sunland Construction |
| Superior Fabrication |
| T & L Dirtwork, Inc. |
| Texoma Corrosion Services |
| Thorco, Inc. |
| Tim Helmig Backhoe Service |
| Tom Loftin Construction Co., Inc. PRESS |
| Tracebel |
| Tradewinds Construction, Inc. |
| True Grit Sandblasting, Inc. |
| Turner Biological |
| Universal Compression |
| Utility Services Unlimited |
| Valley Construction |
| Valve Sales, Inc. |
| Veriforce, LLC |
| Vermillion Painting & Construction, Inc. |
| Wetherbee Electric, Inc. |
| Wolverine LLC |
| Wyatt Construction Co. |
| Western Industrial PRESS |
| Young’s Lease Service |
|
| |
| Association for Reciprocal Safety Councils, Inc. (ARSC) |
| ABC of South Alabama (Mobile, AL) |
| Austin Safety Training Consortium/Construction Safety & Health, Inc. (Austin, TX) |
| Contractor Safety Council of the Coastal Bend, Inc. (Corpus Christi, TX) |
| Contractor Safety Council of Brazosport, Inc. (Freeport, TX) |
| Contractor Safety Council of East Texas Inc. (Longview, TX) |
| Contractor Safety Council of the Texas Mid-Coast, Inc. (Port Lavaca, TX) |
| Contractor Safety Council of Texas City (Texas City, TX) |
| Greater New Orleans Industrial Education Council (GNOIEC) (Kenner, LA) |
| Houston Area Contractors' Safety Council (Houston, TX) |
| Industrial Safety Training Council (Nederland, TX) |
| Kentuckiana Const. Users Council (Louisville, KY) |
| Oklahoma Safety Council (Oklahoma City, OK) |
| Panhandle Contractors' Safety Training Council (Borger, TX) |
| Regulatory Training Center (S. Charleston, WV) |
| Ark-La-Tex Safety Council,Inc. (Shreveport, LA) |
| Safety Council of the Louisiana Capital Area (Baton Rouge, LA) |
| Safety Council of Southwest Louisiana (Lake Charles, LA) |
| Safety & Health Council of North Carolina (Charlotte, NC) |
| South Jersey Chemical Manufacturers Safety Council (West Deptford, NJ) |
| Tennesee Valley Training Center (Decatur, AL) |
| West Texas Safety Training Center (Midland, TX) |
| Wilmington Area Contractor Safety Council (Wilmington, NC) |
| |
| Municipalities |
| Bay City Gas Company PRESS |
| City of Albany, MO |
| Bessemer City Gas Department |
| City of Hugoton |
| City of Kings Mountain, NC PRESS |
| City of Monroe, NC PRESS |
| City of Shelby, NC PRESS |
| Clarke-Mobile Counties Gas District PRESS |
| Cullman-Jefferson Counties Gas District PRESS |
| Lancaster Municipal Gas PRESS |
| Rockford Gas Board |
| Greenville Utilities Commission |
| City of Gueydan, LA |
| Town of Glenmora, LA |
| Wise County Power |
| |
| Industry Associations, OQ Consultants, and Personnel Services |
| Abrams Technical Services, Inc. |
| Arkansas Gas Association |
| Arkansas One Call System |
| Exoko Gas Technologies, Inc. |
| Kelly Services |
| Swain & Associates |
| TAF Pipeline Integrity Services |