| PEPar Engineering INC Dba Commercial Cooling | City of Industry | CA | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP | Lyons | NY | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Automotive Connectors Div. | Batesville | MS | — | ◇ UNVERIFIED |
| PCParker-hannifin Corporation | Sharon | TN | — | ◇ UNVERIFIED |
| PHParker Hannifin - Dunn Rd Plant | Lyons | NY | — | ◇ UNVERIFIED |
| PHParker Hannifin New Haven | New Haven | IN | — | ◇ UNVERIFIED |
| PSPassage Supply CO. | El Paso | TX | — | ◇ UNVERIFIED |
| PAP a Yannacio & Associates INC | Highland Hts | OH | — | ◇ UNVERIFIED |
| PIPci Industries LLC Dba Pottorff | Montebello | CA | — | ◇ UNVERIFIED |
| PVPecos Ventures Industries INC | Corona | CA | — | ◇ UNVERIFIED |
| PGPenguin Group USA | Kirkwood | NY | — | ◇ UNVERIFIED |
| PRPenn Refrigeration Service | Wilkes Barre | PA | — | ◇ UNVERIFIED |
| PLPeravan, LLC | North Las Vegas | NV | — | ◇ UNVERIFIED |
| PAPerformance Air Conditioning & Heating, INC | Glendale | AZ | — | ◇ UNVERIFIED |
 Performance Plastics INC | San Ysidro | CA | — | ◇ UNVERIFIED |
| PBPeter Brett | Santa Paula | CA | — | ◇ UNVERIFIED |
| PIPfannenberg INC | Lancaster | NY | — | ◇ UNVERIFIED |
| PCPinellas Cool Breeze Air LLC | Pinellas Park | FL | — | ◇ UNVERIFIED |
| PFPipe Fabricators International | El Cajon | CA | — | ◇ UNVERIFIED |
| PAPittsburgh Annealing Box CO | Mc Kees Rocks | PA | — | ◇ UNVERIFIED |
| PHPolar Heating & Cooling | El Paso | TX | — | ◇ UNVERIFIED |
| PKPolar King International INC | Fort Wayne | IN | — | ◇ UNVERIFIED |
| PSPolar Service Company INC | Salinas | CA | — | ◇ UNVERIFIED |
| PPortacool | Center | TX | — | ◇ UNVERIFIED |
| PPPps Packaging Company | Fowler | CA | — | ◇ UNVERIFIED |
| PIPraxair INC | Fairfield | AL | — | ◇ UNVERIFIED |
| PSPraxiar Surface Technologies | Los Angeles | CA | — | ◇ UNVERIFIED |
 Precision Control Systems INC | Eden Prairie | MN | — | ◇ UNVERIFIED |
| PEPrecision Elite Gymnastics | Clackamas | OR | — | ◇ UNVERIFIED |
| PRPrime Refrigeration Systems | Riverside | CA | — | ◇ UNVERIFIED |
| PAPristine Air Conditioning Corp. | Kapolei | HI | — | ◇ UNVERIFIED |
| PCProcess Cooling International | Saint Helena | CA | — | ◇ UNVERIFIED |
| PBProtech Building Services INC | West Valley | UT | — | ◇ UNVERIFIED |
| PHPure Humidifier Company | Chaska | MN | — | ◇ UNVERIFIED |
| RIR4f INC | Gardena | CA | — | ◇ UNVERIFIED |
| RIRahn Industries | Chino | CA | — | ◇ UNVERIFIED |
| RRRainey Road LLC | Andover | KS | — | ◇ UNVERIFIED |
| RGRamon Garcia | Weatherford | TX | — | ◇ UNVERIFIED |
| RTRandall's Temperture Control Specialist INC. | Yukon | OK | — | ◇ UNVERIFIED |
| RWRandell Warehouse | Tucson | AZ | — | ◇ UNVERIFIED |
| RIR-cold, INC. | Perris | CA | — | ◇ UNVERIFIED |
| RLRectorseal, LLC | Fall River | MA | — | ◇ UNVERIFIED |
| RSReefer Systems INC Dba Mct Companies | Fresno | CA | — | ◇ UNVERIFIED |
| RIR.e.f. Industries INC. | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| RDRefrigeration Design & Service, INC. | Mamaroneck | NY | — | ◇ UNVERIFIED |
| RDRefrigeration Design Technologies | Waxahachie | TX | — | ◇ UNVERIFIED |
| RRRefrigeration Research INC | Newport | TN | — | ◇ UNVERIFIED |
| RPRennwerks Performance INC Dba Sprint Motorsports | Tracy | CA | — | ◇ UNVERIFIED |
| RMRicardo Maldonado | Allen | TX | — | ◇ UNVERIFIED |
| RMRichardson Mechanical | Richardson | TX | — | ◇ UNVERIFIED |
