| NGNorthrop Grumman Space Technology Synopt | Charlotte | NC | — | ◇ UNVERIFIED |
| NSNorth Star Scientific Corporation | Kapolei | HI | — | ◇ UNVERIFIED |
| NMNrg Maintenance Services | Houston | TX | — | ◇ UNVERIFIED |
| OMOhmite Manufacturing CO | Skokie | IL | — | ◇ UNVERIFIED |
| OLOpen Loop Energy - Nichols Facility | Safford | AZ | — | ◇ UNVERIFIED |
| OBOptima Batteries Incorporated | Aurora | CO | — | ◇ UNVERIFIED |
| OOOrchid Orthopedics Solutions | Santa Ana | CA | — | ◇ UNVERIFIED |
| OSOtten Screw Products Co-otten Screw Products CO | Saint Louis | MO | — | ◇ UNVERIFIED |
| PCPacific Chloride INC | Shreveport | LA | — | ◇ UNVERIFIED |
| PMPadnos Manufacturing INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| PDPa Dpw/western State Sch & Hosp | Canonsburg | PA | — | ◇ UNVERIFIED |
| PMPalfinger Marine USA INC | Portsmouth | VA | — | ◇ UNVERIFIED |
| PAPall Aeropower CORP Fort Myers | Fort Myers | FL | — | ◇ UNVERIFIED |
| PMParagon Machine Company, INC. | Saint Petersburg | FL | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Hpd | Marysville | OH | — | ◇ UNVERIFIED |
| PIParmar Industries INC Alco Ba | Costa Mesa | CA | — | ◇ UNVERIFIED |
| PEPayne Engineering & Fabrications | Canton | MA | — | ◇ UNVERIFIED |
| PTPeacock Tool & Engineering | Spring Valley | CA | — | ◇ UNVERIFIED |
| PKPelletizer Knives | Houston | TX | — | ◇ UNVERIFIED |
| PIPemco INC | Pascagoula | MS | — | ◇ UNVERIFIED |
| PTPems Tool & Machine INC | Little Falls | NY | — | ◇ UNVERIFIED |
| PTPike Tool & Grinding Incorporated | Colorado Springs | CO | — | ◇ UNVERIFIED |
| PTP-k Tool & Manufacturing Company | Santa Teresa | NM | — | ◇ UNVERIFIED |
| PEPlant Engineering and Maintenance - Oxford Machine and Fabrication | Oxford | AL | — | ◇ UNVERIFIED |
| PPPlastic Power Extrusions CORP | Schiller Park | IL | — | ◇ UNVERIFIED |
| PAPlumbing and Mechanical Contractors | Milwaukie | OR | — | ◇ UNVERIFIED |
| PEPolara Engineering INC | Fullerton | CA | — | ◇ UNVERIFIED |
| PPPonam Precision Gages | Glendale | CA | — | ◇ UNVERIFIED |
| PLPort Logistics | Rancho Dominguez | CA | — | ◇ UNVERIFIED |
| PPPositive Prototype Industries | Fraser | MI | — | ◇ UNVERIFIED |
| PBPower Battery CO | Paterson | NJ | — | ◇ UNVERIFIED |
| PMPrecision Machine Products INC | Gastonia | NC | — | ◇ UNVERIFIED |
| PTPrecision Tools and Mold LLC | Ironwood | MI | — | ◇ UNVERIFIED |
| PTPrimus Tech/wmspt Plt | Williamsport | PA | — | ◇ UNVERIFIED |
| PProtolabs | Minneapolis | MN | — | ◇ UNVERIFIED |
| PLPrototech Laser-chesterfield | Chesterfield | MI | — | ◇ UNVERIFIED |
| PPPurolator Products INC | Dexter | MO | — | ◇ UNVERIFIED |
| PIPxl INC | Ladysmith | WI | — | ◇ UNVERIFIED |
| RNRanco NA INC | Elizabeth | NJ | — | ◇ UNVERIFIED |
| RMRantec Microwave System, Inc, | Calabasas | CA | — | ◇ UNVERIFIED |
| RBRau Brothers | Winchendon | MA | — | ◇ UNVERIFIED |
| RCRayovac CORP Madison | Madison | WI | — | ◇ UNVERIFIED |
| RIRaytheon Ids Headquarters | Tewksbury | MA | — | ◇ UNVERIFIED |
| RCRead-rite Corporation | Milpitas | CA | — | ◇ UNVERIFIED |
| RIRebb Industries | Yadkinville | NC | — | ◇ UNVERIFIED |
| RHReda Hps | Owasso | OK | — | ◇ UNVERIFIED |
| RPReelex Packaging Solutions | Patterson | NY | — | ◇ UNVERIFIED |
| RIRemtec INC Dba Tecmark | Norwood | MA | — | ◇ UNVERIFIED |
| RMRettig Machine Shop, INC. | Redlands | CA | — | ◇ UNVERIFIED |
| RIRex Iron & Machine Products INC | Denver | CO | — | ◇ UNVERIFIED |
| RMRiggs Machine & Fabricating INC. | Ashland | KY | — | ◇ UNVERIFIED |
| RSRiverfalls Shop | River Falls | AL | — | ◇ UNVERIFIED |
| RKRm Kerner CO | Erie | PA | — | ◇ UNVERIFIED |
| RCRochester Circuits INC | Rochester | NY | — | ◇ UNVERIFIED |
| RIRockwell Intl CORP | Winchester | KY | — | ◇ UNVERIFIED |
| RARoderick Arms & Tool CORP | Monett | MO | — | ◇ UNVERIFIED |
| RCRogers CORP - Dobson Rd Site | Chandler | AZ | — | ◇ UNVERIFIED |
| RDRoto Die CO INC | Philadelphia | PA | — | ◇ UNVERIFIED |
| RCRoto-die Company, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| RIRpn INC | Morristown | TN | — | ◇ UNVERIFIED |
| RMR&r Machine Products INC. | San Bernardino | CA | — | ◇ UNVERIFIED |
 Rti Remmele Engineering Big Lake - Plant 40 | Big Lake | MN | — | ◇ UNVERIFIED |
| RTRubicon Technology INC | Franklin Park | IL | — | ◇ UNVERIFIED |
| RMRushford Machine & Manufacturing CO | Rushford | NY | — | ◇ UNVERIFIED |
| RTRxc Technologies | San Jose | CA | — | ◇ UNVERIFIED |
| SESaeilo Enterprises | Worcester, City of | MA | — | ◇ UNVERIFIED |
| SISatterfield INC. | Alexander City | AL | — | ◇ UNVERIFIED |
 Schneider Electric It Corporation | South Kingstown | RI | — | ◇ UNVERIFIED |
| SCSenju Comtek CORP | Mundelein | IL | — | ◇ UNVERIFIED |
| SESiemens Energy, INC | Geismar | LA | — | ◇ UNVERIFIED |
| SMSiemens Medical Solutions USA INC. | Rockford | TN | — | ◇ UNVERIFIED |
| SMSignet Machine INC | Grandville | MI | — | ◇ UNVERIFIED |
| SSSignet Scientific CO | El Monte | CA | — | ◇ UNVERIFIED |
| SCSipex Corporation | Billerica | MA | — | ◇ UNVERIFIED |
| SHSmi Holding LLC C/o Siemens Corporation | Princeton | IN | — | ◇ UNVERIFIED |
| SMSmiths Machine and Welding Company INC | Brookhaven | MS | — | ◇ UNVERIFIED |
| SISnyder Industries INC | Seattle | WA | — | ◇ UNVERIFIED |
| SSonetronics | W Belmar | NJ | — | ◇ UNVERIFIED |
| SPSoramatic Precision Machining | Warren | MI | — | ◇ UNVERIFIED |
| SBSotek Belrix | Hamburg | NY | — | ◇ UNVERIFIED |
| SISparkman Industries Plant 2 | Victoria | TX | — | ◇ UNVERIFIED |
| SSpartronics | Plaistow | NH | — | ◇ UNVERIFIED |
| SGSpecialty Groups INC Shop | Lost Creek | WV | — | ◇ UNVERIFIED |
| SMSpectrum Microwave INC | Auburn | NY | — | ◇ UNVERIFIED |
| SNSpiers New Technologies Annex B | Oklahoma City | OK | — | ◇ UNVERIFIED |
| SFSpx Flow US LLC - Millstead Way | Rochester | NY | — | ◇ UNVERIFIED |
 Standard Machine Works INC | Houston | TX | — | ◇ UNVERIFIED |
| STStandard Technologies & Machine CO | Wilmington | DE | — | ◇ UNVERIFIED |
| SIStandex International Spincraft Division | Billerica | MA | — | ◇ UNVERIFIED |
| SIStanley Industries INC | Warrensville Hts | OH | — | ◇ UNVERIFIED |
| SMStellex Microwave Systems INC | Palo Alto | CA | — | ◇ UNVERIFIED |
| SMStern Metals INC | Mount Vernon | NY | — | ◇ UNVERIFIED |
| SLSt. Louis Metallizing Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SPSulzer Pumps | Portland | OR | — | ◇ UNVERIFIED |
| SPSulzer Pump Services (us) INC. | Mobile | AL | — | ◇ UNVERIFIED |
| SCSun Circuits INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| SMSuperior Machine & Pattern, INC. | Talladega | AL | — | ◇ UNVERIFIED |
| TITeam Industrial Services INC. | Mobile | AL | — | ◇ UNVERIFIED |
| TGTechnetics Group Daytona | Daytona Beach | FL | — | ◇ UNVERIFIED |
| TCTe Conectivity | Menlo Park | CA | — | ◇ UNVERIFIED |
