Membership List
| Name | Web Site | GPA Member | GPSA Member |
|---|---|---|---|
| Accelerated Process Systems | Visit | N | Y |
| Accurate Gas Products, LLC | Visit | N | Y |
| Accurate Lab Audits, LLC | Visit | N | Y |
| ACI Services, Inc. | Visit | N | Y |
| Adsorption Technical Service, LLC | - | N | Y |
| AECOM | Visit | N | Y |
| Aeon PEC | Visit | N | Y |
| AEREON | Visit | N | Y |
| Aether DBS | Visit | N | Y |
| AF Global | Visit | N | Y |
| Afton Pumps, Inc. | Visit | N | Y |
| Aggreko, LLC | Visit | N | Y |
| Agile Process Solutions, LLC | Visit | N | Y |
| Airgas | Visit | N | Y |
| Aka Energy Group, LLC | Visit | Y | N |
| Name | Web Site | GPA Member | GPSA Member |
| Alfa Laval Niagara | Visit | N | Y |
| Align Midstream | Visit | Y | N |
| Allied Equipment, Inc. | Visit | N | Y |
| Alpine Site Services | Visit | N | Y |
| AMACS Process Tower Internals | Visit | N | Y |
| American Mobile Research | Visit | N | Y |
| Amspec | Visit | N | Y |
| Anadarko Petroleum | Visit | Y | N |
| Analytical Systems Keco | Visit | N | Y |
| Andeavor Logistics | Visit | Y | N |
| Anguil Environmental Systems | Visit | N | Y |
| Antero Resources Corp. | Visit | Y | N |
| Anvil Corporation | Visit | N | Y |
| Apache Corporation | Visit | Y | N |
| Applied-Cleveland Holdings | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| APT Laboratory Services | Visit | N | Y |
| Aqseptence Group, Inc. | Visit | N | Y |
| Aramco Services Co. | Visit | Y | N |
| ARC Energy Equipment | Visit | N | Y |
| Archrock, Inc. | Visit | N | Y |
| Ariel Corporation | Visit | N | Y |
| Aspen Technology, Inc. | Visit | N | Y |
| Asset Risk Management, LLC | Visit | Y | N |
| Atlas Copco Gas and Process | Visit | N | Y |
| Audubon | Visit | N | Y |
| AUX Sable Liquid Products Inc. | Visit | Y | N |
| AXH Air-Coolers | Visit | N | Y |
| Azota Ltd. | Visit | N | Y |
| Azure Midstream Energy LLC | Visit | Y | N |
| Babcock & Wilcox MEGTEC | - | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Bahrain National Gas Co. | Visit | Y | N |
| BAIR | Visit | N | Y |
| Baker Hughes, a GE company | Visit | N | Y |
| Barry D. Payne & Associates, Inc. | Visit | N | Y |
| Bartlett & West | Visit | N | Y |
| Bartlett Equipment Co. | Visit | N | Y |
| BASF Corp. | Visit | N | Y |
| BCCK Engineering, Inc. | Visit | N | Y |
| Bechtel | Visit | N | Y |
| Benham, a Haskell Company | Visit | N | Y |
| Bennett Construction, Inc. | Visit | N | Y |
| Bexar Energy Holdings, Inc. | Visit | N | Y |
| BFX Fabrication, LLC | - | N | Y |
| Bilfinger Westcon, Inc. | Visit | N | Y |
| Black & Veatch Corp. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Blackstone Steel | Visit | N | Y |
| Block Engineering | Visit | N | Y |
| Blue Racer Midstream | Visit | Y | N |
| Boardman, LLC | Visit | N | Y |
| Boardwalk Louisiana Midstream, LLC | Visit | Y | N |
| Bold Production Services, LLC | Visit | N | Y |
| Boots & Coots | Visit | N | Y |
| Bowden Construction Co. Ltd. | Visit | N | Y |
| BP | Visit | Y | N |
| Brown & Gay Engineers, Inc. | Visit | N | Y |
| Bryan Research & Engineering, Inc. | Visit | Y | Y |
| Buffalo Gap Instrumentation & Electrical | Visit | N | Y |
| Burns & McDonnell | Visit | N | Y |
| BWFS Industries, LLC | Visit | N | Y |
| C.R.C. Consulting | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| C3 Resources, LLC | Visit | N | Y |
| CAM Integrated Solutions | Visit | N | Y |
| Cameron, A Schlumberger Company | Visit | N | Y |
| Canyon Midstream Partners | - | Y | N |
| Cardinal Midstream, LLC | Visit | Y | N |
| Carrera Gas Company, L.L.C. | Visit | Y | N |
| Castleton Commodities Partners LP | Visit | Y | N |
| Catalytic Combustion Corporation | Visit | N | Y |
| Catalytic Products International, Inc. | Visit | N | Y |
| Catamount Constructors | Visit | N | Y |
| Caterpillar, Inc. | Visit | N | Y |
| CB&I Randall Gas Technologies | Visit | N | Y |
| CDI Engineering | Visit | N | Y |
| CDM, Resource Management, LLC | Visit | N | Y |
| CECA Molecular Sieves/Arkema, Inc. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Ceritas Energy, LLC | Visit | Y | N |
| CH2M | Visit | N | Y |
| Champion Process, Inc. | Visit | N | Y |
| Chart Industries | Visit | N | Y |
| Chemical Products Industries, Inc. | Visit | N | Y |
| ChemTreat, Inc. | Visit | N | Y |
| Cheniere Energy | Visit | N | Y |
| Chevron North American Production | Visit | Y | N |
| Chiyoda Corp. | Visit | N | Y |
| Chromatic Industries | Visit | N | Y |
| CI Valves & Actuation | Visit | N | Y |
| Cimarex Energy Co. | Visit | Y | N |
| Citgo Petroleum Corp | Visit | Y | N |
| Clear Creek Construction | Visit | N | Y |
| Coastal Chemical Co., LLC | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Coastal Flow Measurement, Inc. | Visit | N | Y |
| Comal Energy Services LP | Visit | N | Y |
| COMPRESSORtech | Visit | N | Y |
| Condit Co. | Visit | N | Y |
| Connelly-GPM, Inc. | - | N | Y |
| ConocoPhillips | Visit | Y | N |
| Contek Solutions, LLC | Visit | N | Y |
| Corpac Steel Products Corp. | Visit | N | Y |
| Crestwood Midstream Partners, L.P. | Visit | Y | N |
| Crevier Process Consulting | - | N | Y |
| Crossfire, LLC | Visit | N | Y |
| CryoSys | Visit | N | Y |
| CSD Engineers, LLC | Visit | N | Y |
| CSI Compressco LP | Visit | N | Y |
| Cummins, Inc. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| D'Agostaro Energy Measurement Services | - | N | Y |
| DanCar Energy Construction | Visit | N | Y |
| DCG Partnership 1, Ltd. | - | N | Y |
| DCP Operating Company, LP | Visit | Y | N |
| Dew Point Control, LLC | Visit | N | Y |
| Dexter ATC Field Services, LLC | Visit | N | Y |
| Diablo Analytical, Inc. | Visit | N | Y |
| Dickson Process Systems, Ltd. | Visit | N | Y |
| Dixie Electric, LLC | Visit | N | Y |
| Dollahon PR | Visit | N | Y |
| Dow Hydrocarbons and Resources LLC | Visit | Y | N |
| Dresser-Rand Co. | Visit | N | Y |
| DXP PumpWorks | Visit | N | Y |
| Eagle LNG Partners, LLC | Visit | N | Y |
| Eaton | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Eaton Metal Products Company, LLC | Visit | N | Y |
| Echo Group, Ltd. | Visit | N | Y |
| EDG, Inc. | Visit | N | Y |
| Edgen Murray | Visit | N | Y |
| Egyptian Bahraini Gas Derivatives Co. | Visit | Y | N |
| Element Materials Technology | - | N | Y |
| Elkhorn Gas Processing, LLC | Visit | Y | N |
| EMD, Inc. | Visit | N | Y |
| Emerson | Visit | N | Y |
| Empact Analytical Systems, Inc. | Visit | N | Y |
| ENABLE Midstream Partners | Visit | Y | N |
| Enbridge Energy Partners | Visit | Y | N |
| EnCana Oil & Gas (USA), Inc | Visit | Y | N |
| Endress+Hauser | Visit | N | Y |
| Enerfin Resources Company | Visit | Y | N |
| Name | Web Site | GPA Member | GPSA Member |
| Enerflex | - | N | Y |
| Energy Products Company | Visit | N | Y |
| Energy Transfer Co. | Visit | Y | N |
| EnerSys Corporation | Visit | N | Y |
| EnLink Midstream | Visit | Y | N |
| EnSiteUSA | Visit | N | Y |
| Enterprise Products Operating LP | Visit | Y | N |
| Envantage, Inc. | Visit | Y | N |
| Envent Technologies, LLC | Visit | N | Y |
| Environex | Visit | N | Y |
| EPIC | Visit | N | Y |
| eSimulation, Inc. | Visit | N | Y |
| EXTERRAN | Visit | N | Y |
| ExxonMobil/XTO | Visit | Y | N |
| EZ Pipe Wraps | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Fabsco Shell & Tube, LLC | Visit | N | Y |
| Fabwell Corp. | Visit | N | Y |
| Federal Services, LLC | Visit | N | Y |
| FES-Southwest, Inc. | Visit | N | Y |
| FESCO, Ltd. | Visit | N | Y |
| Fibrebond Power | Visit | N | Y |
| Files and Associates | Visit | N | Y |
| Fives Cryo, Inc. | Visit | N | Y |
| Flatirons Field Services | Visit | Y | N |
| Flatrock Engineering and Environmental | Visit | N | Y |
| Flow-Cal, Inc. | Visit | N | Y |
| Fluor Enterprises, Inc. | Visit | N | Y |
| Freeman and Curiel Engineers, LLP | Visit | N | Y |
| Freese and Nichols, Inc. | Visit | N | Y |
| FW Murphy Production Controls | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Gas Analytical Services | Visit | N | Y |
| Gas Analytical Solutions, Inc. | - | N | Y |
| Gas and Supply | Visit | N | Y |
| Gas Equipment Co., Inc. | Visit | N | Y |
| Gas Innovations | Visit | N | Y |
| Gas Processors Report | Visit | Y | Y |
| Gas Processors Suppliers Association | Visit | N | Y |
| Gas Technology Corp. | Visit | N | Y |
| Gas Treatment Services B.V. | Visit | N | Y |
| GasTech Engineering, LLC | Visit | N | Y |
| Gaumer Process | Visit | N | Y |
| GC2 Specialty Construction, LP | Visit | N | Y |
| GE Power | Visit | N | Y |
| GEA Refrigeration North America, Inc. | Visit | N | Y |
| Gemstar, Inc. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Geolex, Inc. | Visit | N | Y |
| GHD Services, Inc. | Visit | N | Y |
| Global Compressor, LP | Visit | N | Y |
| Global Contractors | Visit | N | Y |
| Goar Sulfur Services & Assistance | - | N | Y |
| GPA Midstream Association | Visit | Y | N |
| Grae-Con Construction, Inc. | Visit | N | Y |
| Graves Analytical Services, LLC | Visit | N | Y |
| Great Western Valve, Inc. | Visit | N | Y |
| Gulf Coast Chemical, LLC | Visit | N | Y |
| Gulf Coast Dismantling, Inc. | - | N | Y |
| Gulf Coast Engineered Solutions, Inc. | Visit | N | Y |
| Gulf Publishing Co. | Visit | N | Y |
| H & S Valve, Inc. | - | N | Y |
| H+M Industrial EPC | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| H.J. Baker, PE | - | N | Y |
| H2W United, LLC | Visit | N | Y |
| Hampel Oil Distributors | Visit | N | Y |
| Hanlon Gas Processing, Ltd. | - | Y | N |
| Hargrove Engineers + Constructors | Visit | N | Y |
| Hastik-Baymont | Visit | N | Y |
| Heat Recovery Corporation | Visit | N | Y |
| Heatec, Inc. | Visit | N | Y |
| Heath Consultants Incorporated | Visit | N | Y |
| Hero Flare, LLC | Visit | N | Y |
| HETSCO, Inc. | Visit | N | Y |
| HIMA Americas, Inc. | Visit | N | Y |
| Hoerbiger Compression Technology | Visit | N | Y |
| Holloman Corporation | Visit | N | Y |
| Howard Energy Midstream Partners | Visit | Y | N |
| Name | Web Site | GPA Member | GPSA Member |
| Howard Energy Partners | Visit | N | Y |
| Howden Roots, LLC | Visit | N | Y |
| Hunt, Guillot & Associates | Visit | N | Y |
| Huntsman Corp. | Visit | N | Y |
| Hydrocarbon Measurement Consultants, Inc. | - | N | Y |
| I & S Technical Resources, Inc. | - | N | Y |
| IHS Global Inc. | Visit | Y | N |
| Industrial Distributors, Inc. | Visit | N | Y |
| INEOS GAS/SPEC Technology Group | Visit | N | Y |
| Integrated Corrosion Companies | Visit | N | Y |
| Interra Global Corp. | Visit | N | Y |
| Interstate Treating, Inc. | Visit | N | Y |
| Intertek | Visit | N | Y |
| ISG | Visit | N | Y |
| ISTI Plant Services | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| J-W Power Company | Visit | N | Y |
| J. H. Foglietta Consulting, LLC | Visit | N | Y |
| J.S. James Co. | Visit | N | Y |
| Japan Indonesia LNG Co., Ltd. | Visit | Y | N |
| Jasper Ventures, Inc. | Visit | N | Y |
| JEM Resources & Engineering, Inc. | Visit | N | Y |
| JFE Engineering Corporation | Visit | N | Y |
| JGC Corporation | Visit | N | Y |
| John Zink Company, LLC | Visit | N | Y |
| Johnson Filtration Products, Inc. | Visit | N | Y |
| Johnson Matthey | Visit | N | Y |
| Johnson Petrotech Services, Inc. | - | N | Y |
| Jonell, Inc. | Visit | N | Y |
| Joule Processing, LLC | Visit | N | Y |
| JP3 Measurement | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Kahuna Ventures | Visit | N | Y |
| Kams, Inc. | Visit | N | Y |
| Kane Environmental Engineering | - | N | Y |
| KBR | Visit | N | Y |
| Kiewit Oil Gas & Chemicals | Visit | N | Y |
| Kimley-Horn and Associates | Visit | N | Y |
| Kinder Morgan | Visit | Y | N |
| Kleinfelder | Visit | N | Y |
| Knighten Industries, Inc. | - | N | Y |
| Koch-Glitsch LP | Visit | N | Y |
| KP Engineering, LP | Visit | N | Y |
| Kuwait Petroleum Corporation | Visit | Y | N |
| KW International | Visit | N | Y |
| L.A. Turbine | Visit | N | Y |
| Laboratory Services | - | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Lampton Welding Supply Co., Inc. | Visit | N | Y |
| LCM Industries, Inc. | Visit | N | Y |
| Lexicon, Inc. | Visit | N | Y |
| Liberty Midstream Solutions | Visit | Y | N |
| Linde Engineering North America, Inc. | Visit | N | Y |
| Louisiana Valve Source, Inc. | Visit | N | Y |
| Lucid Energy Group. LLC | Visit | Y | N |
| Lyondell Basell Industries | Visit | Y | N |
| M Chemical Company | Visit | N | Y |
| M J & H Fabrication | Visit | N | Y |
| Mangan, Inc. | Visit | N | Y |
| Marathon Petroleum Corp. | Visit | Y | N |
| MarkWest Energy Partners L.P. | Visit | Y | N |
| Martin Energy Consultants | - | N | Y |
| Martin Midstream Partners, LP | Visit | Y | N |
| Name | Web Site | GPA Member | GPSA Member |
| Master Corporation | Visit | N | Y |
| Matrix PDM Engineering | Visit | N | Y |
| McCartney Gas Advisors | - | N | Y |
| McDaniel Technical Services, Inc. | Visit | N | Y |
| Merichem | Visit | N | Y |
| Meritage Midstream Services II, LLC | Visit | Y | N |
| Metal Goods Manufacturing Co. Inc. | Visit | N | Y |
| MHBT, Inc. | Visit | N | Y |
| Midstream Energy Group, Inc. | Visit | N | Y |
| Midway Laboratory, Inc. | Visit | N | Y |
| MIRATECH Corp. | Visit | N | Y |
| Mobile Analytical Labs, Inc. | Visit | N | Y |
| MODEC International, Inc. | Visit | N | Y |
| Momentum Midstream | Visit | Y | N |
| Monico Monitoring, Inc. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Moore Control Systems, Inc. | Visit | N | Y |
| Movilab, S.A. de C.V. | Visit | N | Y |
| Mueller Environmental Designs | Visit | N | Y |
| Muse, Stancil & Co. | Visit | Y | N |
| Mustang Cat | Visit | N | Y |
| Mustang Fuel Corp. | - | Y | N |
| Mustang Gas Products, LLC | Visit | Y | N |
| Nalco, An Ecolab Company | Visit | N | Y |
| Navitas Midstream Partners | Visit | Y | N |
| Neuman & Esser USA, Inc. | Visit | N | Y |
| Neumann Consulting | - | N | Y |
| New Tech Global Ventures | Visit | N | Y |
| Nexo Solutions | Visit | N | Y |
| Nicholas Consulting Group, Inc. | Visit | N | Y |
| Nippon Kaiji Kentei Kyokai | Visit | Y | N |
| Name | Web Site | GPA Member | GPSA Member |
| NorthStar Energy Services, Inc. | Visit | N | Y |
| Norwest Engineering | Visit | N | Y |
| Norwood S&S, LLC | Visit | N | Y |
| NTACT Operations, LLC | Visit | N | Y |
| Nuevo Midstream Dos, LLC | Visit | Y | N |
| Oasis Midstream Services | Visit | Y | N |
| Oil-Gastech, Inc. | Visit | N | Y |
| Oliver Equipment Co. | Visit | N | Y |
| Omni Flow Computers, Inc. | Visit | N | Y |
| ONEOK Partners | Visit | Y | N |
| Optimized Gas Treating, Inc. | Visit | N | Y |
| Optimized Process Designs | Visit | N | Y |
| Optimized Process Furnaces | Visit | N | Y |
| Orbital Gas Systems | Visit | N | Y |
| Ortloff Engineers, Ltd. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Osynergy | Visit | N | Y |
| Outrigger Energy | Visit | Y | N |
| Oxy USA, Inc. | Visit | Y | N |
| Pall Corporation | Visit | N | Y |
| Pantechs Laboratories, Inc. | Visit | N | Y |
| Panton Inc. | - | N | Y |
| Paradigm Controls of Texas | Visit | N | Y |
| Paratherm - Heat Transfer Fluids | Visit | N | Y |
| Pasadyn, Inc. | Visit | N | Y |
| Pearson Adair & Co. | Visit | Y | N |
| PECOFacet | Visit | N | Y |
| Pentair | Visit | N | Y |
| PerkinElmer | Visit | N | Y |
| Petral Consulting Co. | Visit | N | Y |
| Petron Asia Energy PTE Ltd. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| PetroSkills/John M. Campbell | Visit | N | Y |
| Petrotech, Inc. | Visit | N | Y |
| PFEC, Inc. | Visit | N | Y |
| Phillips 66 | - | Y | N |
| Phoenix Park Gas Processors Ltd. | Visit | Y | N |
| Pilot Energy Solutions, LLC | - | Y | N |
| Pine River Energy Services, LLC | Visit | N | Y |
| Pioneer Natural Resources USA, Inc. | Visit | Y | N |
| Plains All American | Visit | Y | N |
| PLC Construction Inc. | Visit | N | Y |
| PM Energy, LLC | Visit | N | Y |
| Power Service GMM | Visit | N | Y |
| Precise Engineering, Inc. | Visit | N | Y |
| Prime Controls, LP | Visit | N | Y |
| Prism Midstream LLC | - | Y | N |
| Name | Web Site | GPA Member | GPSA Member |
| Process Machine & Automation, Inc. | Visit | N | Y |
| Process Solutions Integration (PSI) | - | N | Y |
| PSI (Process Solutions Integration) | Visit | N | Y |
| Puffer Sweiven | Visit | N | Y |
| Q.B. Johnson Manufacturing, Inc. | Visit | N | Y |
| Q2 Technologies, LLC | Visit | N | Y |
| QPS Engineering | Visit | N | Y |
| Quadra Chemicals, Inc. | Visit | N | Y |
| QuantityWare GmbH | Visit | N | Y |
| R & R Engineering Co., Inc. | - | N | Y |
| R&H Technical Sales, Inc. | Visit | N | Y |
| Ranger Plant Constructional Co. Inc. | Visit | N | Y |
| Red Ball Technical Gas Services | Visit | N | Y |
| Red Cedar Gathering Co. | Visit | Y | N |
| Ref-Chem LP | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Regard Resources Co., Inc. | Visit | N | Y |
| Relevant Solutions | Visit | N | Y |
| Reliance Holding USA, Inc. | Visit | Y | N |
| Reset Energy | Visit | N | Y |
| Rexel, Inc. | Visit | N | Y |
| Rhine Ruhr Pty, Ltd. | Visit | N | Y |
| River City Engineering | Visit | N | Y |
| Robert R. Reis, Attorney-Mediator, P.C. | - | N | Y |
| Rockwell Automation | Visit | N | Y |
| Ross Engineering, LLC | Visit | N | Y |
| Rotor-Tech, Inc. | Visit | N | Y |
| Royal Filter Mfg. Co., Inc. | Visit | N | Y |
| S & B Engineers and Constructors, Ltd. | - | N | Y |
| Saddle Butte Pipeline, LLC | Visit | Y | N |
| Samuel Engineering, Inc. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Saulsbury Industries, Inc. | Visit | N | Y |
| Scelerin Heaters, LLC | Visit | N | Y |
| Schlumberger - NEXT | Visit | N | Y |
| Schneider Electric Systems, USA | Visit | N | Y |
| Schultz Process Services, Inc. | Visit | N | Y |
| Schwob Energy Services | Visit | N | Y |
| Scott Measurement Service, Inc. | Visit | N | Y |
| SEC Energy Products & Services, LP | Visit | N | Y |
| Select Engineering, Inc. | Visit | N | Y |
| Selective Adsorption Associates, Inc. | Visit | N | Y |
| SemGas, LP | Visit | Y | N |
| Sep-Pro Systems, Inc. | Visit | N | Y |
| Sepra-Chem Corp. | Visit | N | Y |
| SERO PumpSystems, Inc. | Visit | N | Y |
| Shafer, Kline & Warren, Inc. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Shamrock Gas Analysis | Visit | N | Y |
| Shell Global Solutions (US) Inc. | Visit | Y | N |
| Shermco Industries | Visit | N | Y |
| Shrieve Chemical Products, Inc. | Visit | N | Y |
| Simms Machinery International | Visit | N | Y |
| Simplified Rail Logistics | Visit | N | Y |
| SME Associates, LLC | Visit | N | Y |
| Smithco Engineering, Inc. | Visit | N | Y |
| SNC-Lavalin | Visit | N | Y |
| Solomon Associates | Visit | N | Y |
| Southcross Energy GP LLC | - | Y | N |
| Southeast Connections | Visit | N | Y |
| Southwestern Midstream | - | Y | N |
| Spartan Energy Partners | Visit | N | Y |
| SpectraSensors, Inc. | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Spectrum LNG, LLC | - | Y | N |
| Spitzer Industries | Visit | N | Y |
| SPL, Inc. | Visit | N | Y |
| Statoil ASA | Visit | Y | N |
| Sterling Lumber | Visit | N | Y |
| Strategic Automation Services, LLC | Visit | N | Y |
| STS Consulting Services | Visit | N | Y |
| STV, Inc. | Visit | N | Y |
| Sulfur Operation Support, Inc. | Visit | N | Y |
| SULPETRO, Inc. | Visit | N | Y |
| Sulphur Experts, Inc. | Visit | N | Y |
| Sulzer Chemtech | Visit | N | Y |
| Sumisho Metalex Corp. | Visit | N | Y |
| Sumitomo Precision Products | Visit | N | Y |
| Summit Midstream Partners | Visit | Y | N |
| Name | Web Site | GPA Member | GPSA Member |
| Sundyne Corporation | Visit | N | Y |
| Sunland Construction, Inc. | Visit | N | Y |
| Superior Energy Systems, Ltd. | Visit | N | Y |
| Superior Pipeline Co. | Visit | Y | N |
| T.F. Hudgins, Inc. | Visit | N | Y |
| Targa Resources, Inc. | Visit | Y | N |
| Taylor Forge Engineered Systems | Visit | N | Y |
| TechnipFMC | Visit | N | Y |
| Tegre Corporation | Visit | N | Y |
| Terracon Consultants, Inc. | Visit | N | Y |
| Texas Turbine, Inc. | Visit | N | Y |
| The Gateway Companies | Visit | N | Y |
| The Lisbon Group, LLC | Visit | N | Y |
| Tiger Tower Services | Visit | N | Y |
| TM-EMS, LLC | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Tomcej Engineering Inc. | Visit | N | Y |
| TorcSill Foundations | Visit | N | Y |
| Torrent Energy Services | Visit | N | Y |
| Total Energy Corp. | Visit | N | Y |
| Total SA | Visit | Y | N |
| Tower Force | - | N | Y |
| Toyo Engineering Corp. | Visit | N | Y |
| Trailhead Engineering | Visit | N | Y |
| TransTech Energy | Visit | N | Y |
| TransTex Hunter, LLC | Visit | N | Y |
| TRC Companies, Inc. | Visit | N | Y |
| Tri-Point Oil & Gas Production Systems | Visit | N | Y |
| Trimeric Corp. | Visit | N | Y |
| Trinity Consultants | Visit | N | Y |
| Trinity Containers, LLC | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| Tryer Process Equipment | Visit | N | Y |
| Tulco Oils | Visit | N | Y |
| Tulsa Heaters Midstream | Visit | N | Y |
| UEC, LLC | Visit | N | Y |
| Unison Industrial Solutions | Visit | N | Y |
| United Gas Derivatives Co. | Visit | Y | N |
| United Rentals | Visit | N | Y |
| United Steel Structures, Inc. | Visit | N | Y |
| United/Wells, Inc. | Visit | N | Y |
| Univar | Visit | N | Y |
| Upstream Development and Engineering, Inc. | Visit | N | Y |
| USA Compression | Visit | N | Y |
| Vapor Point | Visit | N | Y |
| Vavco, LLC | Visit | N | Y |
| Vector Controls and Automation Group | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| VGas, LLC | Visit | N | Y |
| Vinson Process Controls | Visit | N | Y |
| Virtual Materials Group | Visit | N | Y |
| VUV Analytics, Inc. | Visit | N | Y |
| Wagner Power Systems | Visit | N | Y |
| Walker Industrial | Visit | N | Y |
| Washington Iron Works | Visit | N | Y |
| Wasson-ECE | Visit | N | Y |
| Watson Millican & Co. | Visit | Y | N |
| Western Filter Co., Inc. | Visit | N | Y |
| Wildcat Midstream | Visit | Y | N |
| Williams | Visit | Y | N |
| WinSim Inc. | Visit | N | Y |
| Wood Group | Visit | N | Y |
| Worldwide Exchangers, LLC | Visit | N | Y |
| Name | Web Site | GPA Member | GPSA Member |
| WR Grace | Visit | N | Y |
| WSB & Associates, Inc. | Visit | N | Y |
| WSP | Visit | N | Y |
| WTG Gas Processing L.P. | Visit | Y | N |
| York Process Systems | Visit | N | Y |
| Zachry | Visit | N | Y |
| ZAP Engineering & Construction Services, Inc. | Visit | N | Y |
| Zedi US | Visit | N | Y |
| Zeochem | Visit | N | Y |