| OPOdyssey Power CORP | Dublin | CA | — | ◇ UNVERIFIED |
| OPOdyssey Power CORP | Riverside | CA | — | ◇ UNVERIFIED |
| OPOdyssey Power Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| OEOhio Electric Motors Wwtp | Barnardsville | NC | — | ◇ UNVERIFIED |
| OROhio Reformatory for Women | Marysville | OH | — | ◇ UNVERIFIED |
| OEOilfield Electric Company | Ventura | CA | — | ◇ UNVERIFIED |
| OEOilfield Electric & Motor | Ventura | CA | — | ◇ UNVERIFIED |
| OSOne Stop Electric Motors Sales & Service | Azusa | CA | — | ◇ UNVERIFIED |
| OWOpequon Water Reclamation Facility | Winchester | VA | — | ◇ UNVERIFIED |
| OSOutdoor Solutions and Services LLC | Nacogdoches | TX | — | ◇ UNVERIFIED |
| OSOutdoor Solutions & Services LLC | Nacogdoches | TX | — | ◇ UNVERIFIED |
| PSPacific Scientific Motion Control INC | Rockford | IL | — | ◇ UNVERIFIED |
| PSPacific Scientific - Rose Lane | Carpinteria | CA | — | ◇ UNVERIFIED |
| PGPanhandle Grading and Paving, INC. | Pensacola | FL | — | ◇ UNVERIFIED |
| PSParametric Solutions INC. | Jupiter | FL | — | ◇ UNVERIFIED |
| PRParamount Roll and Forming | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PPPatriot Power Parts INC. | Broadalbin | NY | — | ◇ UNVERIFIED |
| PPPatterson Pass Wind Farm | Tracy | CA | — | ◇ UNVERIFIED |
| PPPBL Power | Le Roy | IL | — | ◇ UNVERIFIED |
| PPPerformancePro Pumps, Inc. | Hillsboro | OR | — | ◇ UNVERIFIED |
| PBPg&e Briceburg Standalone Power System | Midpines | CA | — | ◇ UNVERIFIED |
| PPg&e (calfire) | Elk Creek | CA | — | ◇ UNVERIFIED |
| PMPg&e Miami Mountain | Mariposa | CA | — | ◇ UNVERIFIED |
| PSPhoenix Salem Plant - Warehouse Renovations | Salem | VA | — | ◇ UNVERIFIED |
| PTPht Tech, LLC | Joliet | IL | — | ◇ UNVERIFIED |
| PWPittsburg Water Treatment Plant | Pittsburg | CA | — | ◇ UNVERIFIED |
| PIPogen Industries LLC | Mulberry | FL | — | ◇ UNVERIFIED |
| PIPohlers Industrial Electric Service | Joliet | IL | — | ◇ UNVERIFIED |
| PGPower Generation Service | Albuquerque | NM | — | ◇ UNVERIFIED |
| PIPowergen INC | Tracy | CA | — | ◇ UNVERIFIED |
| PPPower Plus | Tustin | CA | — | ◇ UNVERIFIED |
| PPPower Pool Plus | Alpha | NJ | — | ◇ UNVERIFIED |
| PSPower Services Company, LLC | Mendon | IL | — | ◇ UNVERIFIED |
| PMPowers & Moore Electric Motor Service | Delano | CA | — | ◇ UNVERIFIED |
 Power Systems Mfg LLC | Stuart | FL | — | ◇ UNVERIFIED |
| PTPower Train | Tulare | CA | — | ◇ UNVERIFIED |
| PUPower Up Electric | Redding | CA | — | ◇ UNVERIFIED |
| PCPr Cupertino Gateway | Cupertino | CA | — | ◇ UNVERIFIED |
| PPPrime Power LLC | Oakland | CA | — | ◇ UNVERIFIED |
| PBProenergy Building 9 South | Sedalia | MO | — | ◇ UNVERIFIED |
| PEPropella Electric LLC | Redmond | WA | — | ◇ UNVERIFIED |
| PUPublic Utilities Comm Springfield | Springfield | MN | — | ◇ UNVERIFIED |
| PPPulsar Products INC. | Ontario | CA | — | ◇ UNVERIFIED |
| PSPump Solutions, Inc. | Hollywood | FL | — | ◇ UNVERIFIED |
| QCQuicksilver Controls INC | San Dimas | CA | — | ◇ UNVERIFIED |
| RSRandall Supply, INC. | Monroe | NC | — | ◇ UNVERIFIED |
| RERay Electric Outboards | Cape Coral | FL | — | ◇ UNVERIFIED |
| RHRbc Horizon | Eldon | MO | — | ◇ UNVERIFIED |
| RMRbc Manufacturing CORP | Lincoln | MO | — | ◇ UNVERIFIED |
| RMRbc Manufacturing Corporation | Fort Wayne | IN | — | ◇ UNVERIFIED |
