| PSPhillips Service Industries INC | Livonia | MI | — | ◇ UNVERIFIED |
| PPPlug Power - 650 Mile Crossing | Rochester | NY | — | ◇ UNVERIFIED |
| PPPlug Power INC | Latham | NY | — | ◇ UNVERIFIED |
| PMPorous Materials INC | Ithaca | NY | — | ◇ UNVERIFIED |
| PEPowell Electrical Systems INC | Northlake | IL | — | ◇ UNVERIFIED |
| PCPowercon Corporation | Severn | MD | — | ◇ UNVERIFIED |
| PDPower Distribution INC. | Henrico | VA | — | ◇ UNVERIFIED |
| PDPower Distribution Products - Becker Smc | Bristol | VA | — | ◇ UNVERIFIED |
| PPPower Paragon INC | Anaheim | CA | — | ◇ UNVERIFIED |
| PFPrecise Finishing Systems | Howell | MI | — | ◇ UNVERIFIED |
| PAPrecision Aero Services INC | Bolivar | MO | — | ◇ UNVERIFIED |
| PCPrecision Cable of Tennessee* | Gallatin | TN | — | ◇ UNVERIFIED |
| PPPrecision Plating INC | Jamaica | NY | — | ◇ UNVERIFIED |
| PAPremier Air Center INC Dba West Star Aviation INC | East Alton | IL | — | ◇ UNVERIFIED |
| PAPremier Aviation Services | Vandalia | OH | — | ◇ UNVERIFIED |
| PEProduction Efficiency CORP | Ragland | WV | — | ◇ UNVERIFIED |
| PEProduction Efficiency CORP. | Ragland | WV | — | ◇ UNVERIFIED |
| PTPti Technologies | Newbury Park | CA | — | ◇ UNVERIFIED |
| QCQualitrol Co., LLC | Fairport | NY | — | ◇ UNVERIFIED |
| RSRavensworth Service | Annandale | VA | — | ◇ UNVERIFIED |
| RRecycletronics | Kennesaw | GA | — | ◇ UNVERIFIED |
| REReliable Electric CO | Paterson | NJ | — | ◇ UNVERIFIED |
| RIRohr INC Dba Goodrich Aerostructures Group | Chula Vista | CA | — | ◇ UNVERIFIED |
| RSRomac Supply CO | Commerce | CA | — | ◇ UNVERIFIED |
| RERonan Engineering Company | Valencia | CA | — | ◇ UNVERIFIED |
| RARose Aircraft Finishes | Mena | AR | — | ◇ UNVERIFIED |
| RARose Aircraft Interiors | Mena | AR | — | ◇ UNVERIFIED |
| RPRsg Products | Saginaw | TX | — | ◇ UNVERIFIED |
| RIRusselectric INC | Hingham | MA | — | ◇ UNVERIFIED |
| SFSargent Fletcher INC | El Monte | CA | — | ◇ UNVERIFIED |
| SSchenck-accurate | Whitewater | WI | — | ◇ UNVERIFIED |
| SESchneider Electric USA INC | West Chester | OH | — | ◇ UNVERIFIED |
| SESchneider Electric USA INC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| SESchneider Electric USA Incorporated | Peru | IN | — | ◇ UNVERIFIED |
 Schroth Safety Products, LLC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| SSSetra Systems Incorporated | Acton | MA | — | ◇ UNVERIFIED |
| SFSiemans - Furnas Controls | West Chicago | IL | — | ◇ UNVERIFIED |
| SESiemens Energy & Automation INC | Spring House | PA | — | ◇ UNVERIFIED |
| SESiemens Energy, INC. | Wendell | NC | — | ◇ UNVERIFIED |
| SISiemens Industry INC Building Technologies Div | Florham Park | NJ | — | ◇ UNVERIFIED |
| SSSignet Scientific CO | El Monte | CA | — | ◇ UNVERIFIED |
| SVSilicon Valley Group Thermco | Orange | CA | — | ◇ UNVERIFIED |
| SESkyline Electric and Mfg CO INC | Seattle | WA | — | ◇ UNVERIFIED |
| SASmiths Aerospace | Santa Ana | CA | — | ◇ UNVERIFIED |
| SSSmith & Smith Aircraft International, LTD. | Wichita | KS | — | ◇ UNVERIFIED |
| SESoles Electric of Huntington, INC. | Huntington | WV | — | ◇ UNVERIFIED |
| SLSpace Lok Incorporated | Gardena | CA | — | ◇ UNVERIFIED |
| SESpd Electrical Systems | Philadelphia | PA | — | ◇ UNVERIFIED |
| SPSpecialized Processing CO INC | El Cajon | CA | — | ◇ UNVERIFIED |
| SASpirit Aerosystems /mcalester Facility | Mcalester | OK | — | ◇ UNVERIFIED |
