| Company | Category | Work Area |
|---|
| All Coast, LLC |
Lift Boats |
Gulf of Mexico |
| Alliance Offshore |
Lift Boats |
Gulf of Mexico |
| Associated Terminals |
Special Services |
US |
| Blessey Marine Services, Inc |
Inland Towing |
US |
| Bourbon Offshore |
Maritime Transportation |
Worldwide |
| Clogistical |
Offshore Employment Agency |
Gulf of Mexico |
| Competentia |
Staffing Agency |
Worldwide |
| Conoco Phillips |
Oil Company |
Worldwide |
| Dawn Services, LLC |
Maritime Transportation |
Worldwide |
| Devall |
Inland Towing |
US |
| Devon Energy |
Oil & Gas Development |
TX, OK, CO |
| Dredge America |
Special Services |
US |
| Dunlap Towing Company |
Maritime Transportation |
US, Canada |
| EBI Liftboats |
Lift Boats |
Gulf of Mexico |
| ESS Support Services |
Catering |
Gulf of Mexico |
| Entier |
Catering |
Worldwide |
| Excel Energy |
Energy Provider |
CO, MI, MN, NM, ND, SD, TX, TX, WI |
| Flour Corporation |
Offshore Engineering & Construction |
Worldwide |
| Furgo |
Oilfield Services Company |
Worldwide |
| Go Marine Services |
Catering |
Gulf of Mexico |
| Gulfmark |
Maritime Transportation |
Worldwide |
| Hydra Subsea to Service |
Subsea & Diving & ROV |
Gulf of Mexico |
| J Ray McDermott |
Offshore Engineering & Construction |
Worldwide |
| Jomax Drilling |
Onshore Drilling |
Alberta |
| Key Energy Services |
Oilfield Services Company |
CA, ND, TX, NM, OK, WY, PA, MT, WV |
| Kirby |
Maritime Transportation |
US |
| Laredo Offshore Services |
Lift Boats |
Gulf of Mexico |
| Lowland International |
Offshore Employment Agency |
Worldwide |
| Maersk |
Maritime Transportation |
Worldwide |
| Marathom Petroleum |
Refinery |
US |
| Marine Spill Response Corporation |
Environmental |
US, Caribbean, Hawaiian Islands |
| Marquette Transportation Company |
Maritime Transportation |
Gulf of Mexico |
| Metson Marine Services |
Maritime Services |
US |
| NGL Energy Partners |
Refinery |
USA |
| OSSA |
Catering |
Gulf of Mexico |
| Oceaneering |
Subsea & Diving & ROV |
Worldwide |
| Offshore Liftboats |
Lift Boats |
Gulf of Mexico |
| Premier Offshore Catering, Inc |
Catering |
Gulf of Mexico |
| Quality Companies |
Offshore Engineering & Construction |
US |
| Quanta Marine |
Offshore Engineering & Construction |
Worldwide |
| Robbins Marine |
Maritime Services |
US |
| SEACOR Marine |
Maritime Transportation |
Gulf of Mexico |
| SPN Well Services |
Onshore Drilling |
|
| Sparrows Group |
Offshore Engineering & Construction |
Worldwide |
| Superior Energy |
Oilfield Services Company |
Worldwide |
| Taylors International |
Catering |
Worldwide |
| The Great Eastern Shipping Company |
Maritime Services |
Worldwide |
| Tidewater Marine |
Maritime Transportation |
Worldwide |
| Valaris |
Offshore Drilling Contractor |
Worldwide |
| Wood Carrers |
Offshore Employment Agency |
Worldwide |
| Woodgroup |
Offshore Engineering & Construction |
Worldwide |
| Worley Parsons |
Offshore Engineering & Construction |
Worldwide |