| Sub-Contractor | See Also | Options |
|---|---|---|
| Optima Insulation | view | |
| Optimal Care, Inc. | view | |
| Option One | view | |
| ORACLE | view | |
| Oracle Corp. | Sun Microsystems, Inc. | view |
| Oracle USA Inc. | view | |
| Orange Vest | view | |
| Orano | view | |
| Orano Federal Services | view | |
| Orarc | view | |
| ORAS | view | |
| Orberle and Jordre Co. | view | |
| Orbit Movers | Orbit Industrial Group; Orbit Sheet Metal & Millwright Services | view |
| Orbit S and D Oscerfield | view | |
| Orbit Sheet Metal | Orbit Movers | view |
| Orbit-Sheet | view | |
| Orco Erection | view | |
| Ore Electric | view | |
| Oregon Bureau of Mines | view | |
| Oregon College of Education | view | |
| Oregon Department of Energy | view | |
| Oregon Handling | view | |
| Oregon Institute of Technology | view | |
| Oregon Marine Dredging Company | view | |
| Oregon Metallurgical Corp | view | |
| Oregon Portland Cement | view | |
| Oregon State Board of Health | view | |
| Oregon State University | view | |
| Oregon Transfer Company | view | |
| Oregon Washington Telephone Company | view | |
| Oreher Business Products | view | |
| Oreo & Botta | view | |
| ORI, Inc. | view | |
| Oriard Powder Company | view | |
| Oriel Corp. | view | |
| Orient | view | |
| Orient & FMEF | view | |
| Orion Construction Co. | view | |
| Orion International Technologies, Inc. | view | |
| Orion Technical Resources | view | |
| ORISE | view | |
| Orlin Gunderson | view | |
| Ormond Construction | view | |
| ORourke Mechanical | view | |
| Orr Safety | view | |
| ORR Safety Corp | view | |
| Orris Lee Hamilton | view | |
| Orthopedic Product Sales | view | |
| Ortiz, Benjamin L. | view | |
| Osaka Landscaping | view | |
| Osborn Drill | view | |
| Osborne Chevrolet | view | |
| Osborne Electric Supply Co. | view | |
| Oscar Krenz | view | |
| OSCO Enterprises Inc. | view | |
| Osterfeld | view | |
| Otis | view | |
| Otis Elevator Company | view | |
| Otis Garage | view | |
| Otis Williams | view | |
| Ott, Inc. | view | |
| Otto's Inc. Heating-Air Conditioning | view | |
| Ottway, Inc. | view | |
| Outsource Solutions | view | |
| Outukumpu | view | |
| Ovard & Collins Construction | view | |
| Overaa Electric | view | |
| Overhead Commercial Door | view | |
| Overhead Door Co., Inc. | view | |
| Overhead Electric | view | |
| Overhead Piping | view | |
| Overland Electric | view | |
| Overly Mfg. | view | |
| Overman, R. L. | view | |
| Overnight Transportation | view | |
| Overnite | view | |
| Owens Asbestos Abatement Corp. | view | |
| Owens Corning Fiberglass Corp | view | |
| Owens Illinois Inc. | view | |
| Owensboro Pump & Supply Inc. | view | |
| Oxarc Inc. | view | |
| Oxbow Geothermal Corp. | view | |
| Oxford Financial Group | view | |
| Oxford General Industries Inc. | view | |
| Oxford Instrument Company | Oxford Instruments; Oxford Nuclear Measurements Company | view |
| Oxford Instruments | view | |
| Oxhandler Structural Enterprises Inc. | view | |
| Oyster Bay Roofing & Sheet Metal Inc. | view | |
| Ozalid Corp. | view | |
| Ozark Steel Fabrication | view | |
| P & L Welding | view | |
| P & R Environmental Systems, Inc. | view | |
| P & R Roofing & Sheet Metal, Inc. | view | |
| P and L Railway, Inc. | view | |
| P and W Waterjet Systems | P&W Waterjet Systems | view |
| P C Paving | view | |
| P D M Steel Company | view | |
| P D Trucking | view | |
| P I E | view | |
| P L Contractors | view |
BTComp is a general information resource tool. It is not intended to nor does it contain all information that relates to DOE subcontractors. We reserve the right to add or delete entries at any time. We make no warranty, expressed or implied, with respect to either the completeness of the database or the accuracy of the entries on the website.