| Okinawa Idemitsu K.k. | Naha | | $7.49B |
| Pond Constructors Inc. | Peachtree Corners | GA | $317M |
| Asrc Consulting & Environmental Services, LLC | Anchorage | AK | $142M |
| Transmontaigne Partners LLC | Denver | CO | $108M |
| Olgoonik Oilfield Services, LLC | Anchorage | AK | $66.8M |
| PC Mechanical, Inc. | Santa Maria | CA | $34.8M |
| Tetra Tech, Inc. | Collinsville | IL | $28.3M |
| Gasboy Inc. | Pampanga | | $26.7M |
| St-airport Services Pte Ltd. | Singapore | | $22.5M |
| Schlumberger Technology Corporation | Houston | TX | $18.7M |
| Chet Morrison Contractors LLC | Houma | LA | $12.2M |
| Uni Corporation | Yokosuka | | $5.91M |
| J. W. Marine Equipment, Inc. | Conroe | TX | $5.67M |
| Hydrocarbon Well Services, Inc. | Buckhannon | WV | $3.4M |
| Arte Bunkering, LLC | Norwalk | CT | $3.35M |
| Gebruder Theissinger GMBH | Frankelbach | | $3.33M |
| Biosqueeze Inc. | Butte | MT | $2.75M |
| Orbital Sidekick Inc. | San Francisco | CA | $2.14M |
| TPM Inc. | Alpharetta | GA | $2.14M |
| Barnum Inc. | Buffalo | WY | $1.91M |
| Strandmoellen GMBH & Co. Kg | Bad Schwartau | | $1.5M |
| Snow Consulting And Services, Inc. | Parachute | CO | $1.23M |
| Aeroderivative Gas Turbine Support Inc. | Boca Raton | FL | $1.23M |
| Specialist Services LLC | Dubai | | $1.22M |
| Red Dirt Energy LLC | Oklahoma City | OK | $1.2M |
| R&B Oilfield Services, Inc. | Cortez | CO | $1.09M |
| Dauterive Contractors, Inc. | New Iberia | LA | $894K |
| Fineeco | Pyeongtaek-si | | $877K |
| Emergency Environmental Services LLC | Mesa | AZ | $852K |
| Liquid Gold Well Service, Inc. | Cut Bank | MT | $741K |
| Uic Oil & Gas Support Services, LLC | Anchorage | AK | $684K |
| Continental Industries Field Services, LLC | Casper | WY | $607K |
| Welter Consulting, Inc. | Billings | MT | $600K |
| Saybolt LP | Wilmington | NC | $590K |
| Framergy Inc. | College Station | TX | $554K |
| Belcourt Oil Co. | Mandan | ND | $537K |
| Biomarker Technologies, Inc. | Rohnert Park | CA | $529K |
| Silixa LLC | Missoula | MT | $528K |
| Moscamp, Inc. | Abbeville | LA | $498K |
| Sapphire Gas Solutions LLC | Conroe | TX | $455K |
| Bluewater Energy Services, LLC | Oklahoma City | OK | $453K |
| Mo-vac Service Company | Edinburg | TX | $434K |
| Northcounty Group Inc. | Taunton | MA | $339K |
| Phoenix Integrity Consultants LLC | Spearman | TX | $276K |
| Nexterity, Inc. | Nutley | NJ | $250K |
| Foothills Rig Service Inc. | Conrad | MT | $250K |
| Fueling Solutions Inc. | Birmingham | AL | $244K |
| Oft Construction Inc. | Kirtland | NM | $239K |
| D&H United Fueling Solutions Inc. | Humble | TX | $236K |
| Stubbs & Stubbs Oilfield Construction, Inc. | Vernal | UT | $221K |
| Jf Acquisition, LLC | Morrisville | NC | $221K |
| Progas GMBH | Dortmund | | $200K |
| Select Water Solutions, Inc. | Gainesville | TX | $190K |
| Price Pumping, Inc. | Vernal | UT | $173K |
| Titan Field Services, LLC | Silt | CO | $158K |
| Chimbusco Pan Nation Petro-chemical Company Limited | Wanchai | | $150K |
| Enviro-tech Systems, L.L.C. | Covington | LA | $139K |
| Signa Engineering Corp. | Athens | TX | $137K |
| Slater Oil Company, Inc. | Mobridge | SD | $122K |
| Guardian Fueling Technologies LLC | Jacksonville | FL | $119K |
| Eco Fuel Services LLC | Lapeer | MI | $114K |
| Fuelcare, Inc. | Lynnwood | WA | $106K |
| Saddlerock Energy LLC | Aurora | CO | $101K |
| Dark Horse Enterprises Inc. | Pasadena | MD | $91.1K |
| Maritime Energy | Rockland | ME | $76.2K |
| Bureau Veritas Commodities And Trade, Inc. | Houston | TX | $71.1K |
| Horizon Well Logging, Inc. | Lompoc | CA | $69.5K |
| Airgas Nitrogen Services LLC | Abita Springs | LA | $65K |
| Laurel Fuel Oil And Heating Company, Inc. . | Laurel | MD | $63.9K |
| Pelcon Materials & Testing Aps | Ballerup | | $61.4K |
| Mid-south Steel Products, Inc. | Cape Girardeau | MO | $60.2K |
| All American Brothers Company, LLC | Bellaire | TX | $59.2K |
| Meffert Oil Co. Inc. | Waunakee | WI | $57.8K |
| Kelley Oilfield Services, Inc. | Bloomfield | NM | $56.1K |
| CGG Services U.S. Inc. | Houston | TX | $55.6K |
| Inversiones Chevron, Limitada De Capital Variable | Antiguo Cuscatlan | | $54K |
| Leak Detection Technologies, Inc. | Tucson | AZ | $52.7K |
| Petrofuel Niugini Limited | West Sepik | | $44.8K |
| Commtank Inc. | Wakefield | MA | $43K |
| Clean Fuels Associates Inc. | Glen Burnie | MD | $38.7K |
| Anu Works, Inc. | Iowa | LA | $38.3K |
| White Mountain Operating LLC | Pinedale | WY | $35K |
| Wescom, Inc. | Duluth | MN | $33.2K |
| Petroleum Geo-services, Inc. | Houston | TX | $31.2K |
| Gustavson Associates, LLC | Boulder | CO | $27.1K |
| Pro-seismic Services, LLC | Houston | TX | $26.7K |
| Alaska Clean Seas | Prudhoe Bay | AK | $24.9K |
| Aaron Oil Co. LLC | Saraland | AL | $24.1K |
| Oceaneering International Inc. | Houston | TX | $23K |
| Westerngeco L.L.C. | Houston | TX | $18.5K |
| Lenny Campbell Service Co. Inc. | New Market | VA | $16.6K |
| Accurate Safety Compliance LLC | Oklahoma City | OK | $12.4K |
| Fuel Pros, Inc. | Chino | CA | $11.1K |
| Umiaq Design, LLC | Anchorage | AK | $6,000 |
| A&b Propane, Inc. | Chesapeake | VA | $0 |
| Ak Supply Inc. | Anchorage | AK | $0 |
| All American Used Oil, LLC | White Oak | GA | $0 |
| Al Moubtaker El Thahabi | Baghdad | | Subcontractor |
| American Resource Technology, Inc. | Breezy Point | NY | $0 |
| Anadarko Petroleum Corporation | The Woodlands | TX | $0 |
