| NONv123 O Brien | Carson City | NV | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| NRNy76 Rochester Instruments | Rochester | NY | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| OMOh10 Micropoise | Streetsboro | OH | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| OCOleumTech Corporation | Foothill Ranch | CA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| OSOlympus - Sherwood | Sherwood | OR | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| OEOmega Engineering - CT | Norwalk | CT | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| OEOmega Engineering, INC. | Norwalk | CT | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| OEOmega Engineering - NJ | Swedesboro | NJ | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| OCOnevision CORP | Westerville | OH | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| OIOptica Industries, INC. | San Francisco | CA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PCPa28 Corporate | Berwyn | PA | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| PPPa40 Process Instruments | Pittsburgh | PA | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| PTPage Technologies, INC. | Boulder | CO | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PMParticle Measuring Systems, INC | Niwot | CO | Computer and Electronic Product Manufacturing334513 | — | ▲ REPORTED CLOSED |
| PWPA Worcester | Worcester | PA | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| PAPce Americas INC | Jupiter | FL | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PIPerceptron Inc. | Plymouth | MI | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| PIPhiltec, INC | Annapolis | MD | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PIPhotonsystems, INC | Covina | CA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PPittsburgh | Cranberry Township | PA | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| PPolyScience | Niles | IL | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| PAPower Automation, LLC | Jesup | IA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PSPrecision Sensors | Milford | CT | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| PSPrecision Solar Technologies Corporation | Tijeras | NM | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PPrimex/Largo | Largo | FL | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| PPrimex-Plymouth | Plymouth | MN | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| PWPrimex Wireless INC | Lake Geneva | WI | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PIProduct Innovation and Engineering LLC | Saint James | MO | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| QSQuality Sourced Manufacturing | Piedmont | SC | Computer and Electronic Product Manufacturing334513 | 1-19 | ◐ LIKELY ACTIVE |
| QSQuest-tec Solutions, INC. | Houston | TX | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| RLRaeco-lic, L.l.c. | Bensenville | IL | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| RHRaven HQ | Sioux Falls | SD | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| RMRaven Manufacturing | Sioux Falls | SD | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| RDR & D Scientific CORP | Flanders | NJ | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| RTRedline Technical Services LLC | Fallon | NV | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
Red Lion Controls Inc. Mobile | Mobile | AL | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| RIRenishaw Inc-Auburn Hills, MI | Auburn Hills | MI | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| RIRenishaw Inc-West Dundee, IL | West Dundee | IL | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| RSRenk Systems CORP | Camby | IN | Computer and Electronic Product Manufacturing334513 | — | ▲ REPORTED CLOSED |
| RRiverside | Riverside | CA | Wood Product Manufacturing321991 | 100-499 | ◐ LIKELY ACTIVE |
| RIRJG, Inc. - Corporate | Traverse City | MI | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| RLR.L. Laughlin and Company | Charleston | WV | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| RARust Automation and Controls, Inc. | West Jordan | UT | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| RSRwh Sales and Engineering, LLC | Franklin | TN | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| SFSan Francisco | San Francisco | CA | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◐ LIKELY ACTIVE |
| SSSartorius Stedim North America, Inc. | New Oxford | PA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| SISeakeeper, Inc PA | Leesport | PA | Computer and Electronic Product Manufacturing334513 | 100-499 | ◐ LIKELY ACTIVE |
| SSeametrics | Kent | WA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| SVSedona Visual Controls | Austin | TX | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| SSSensoScientific - Simi Valley | Simi Valley | CA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |