| Pro-Gram Plastics LLC dba Hub Plastics Geneva OH | Manufacturing | 0 | — | F |
| PRO-HYGIENE, LLC. TX | Administrative & Waste Services | 0 | — | A |
| Pro-Low Joint Venture AZ | Construction | 0 | — | A |
| PRO-MASTER ELECTRIC, LLC TX | Construction | 0 | — | F |
| Pro-Max Restoration and Paint Corp FL | Construction | 0 | — | F |
| Pro-Prept Inc CA | Construction | 0 | — | F |
| PRO-PT Physical Therapy CA | — | 0 | — | — |
| Pro-Surve Technical Services, LLC TX | Professional & Technical Services | 0 | — | A |
| Pro-Sweep, Inc. CA | Administrative & Waste Services | 0 | — | A |
| Pro-T LA | Real Estate | 0 | — | A |
| Pro-Tainer, Inc MN | Manufacturing | 0 | — | F |
| PRO-TEC Coating Company OH | Manufacturing | 0 | — | D |
| Pro-Tech Air Conditioning & Heating Service, Inc. FL | Construction | 0 | — | F |
| Pro-Tech Cabling Systems, Inc. MI | Construction | 0 | — | F |
| Pro-Tech Caulking & Waterproofing, Inc. FL | Construction | 0 | — | A |
| PRO-TECH ENVIRONMENTAL INC MI | Construction | 0 | — | A |
| Pro-Tech Heating & Cooling MI | Construction | 0 | — | A |
| Pro-Tech Mfg & Dist, Inc NY | Manufacturing | 0 | — | A |
| Pro-Tech Service Co, LLC TX | Wholesale Trade | 0 | — | C |
| PRO-TEK CONSULTING CA | Professional & Technical Services | 13 | $115,619 | — |
| Pro-Tops Inc. NC | Construction | 0 | — | F |
| Pro-Vac CO | Construction | 0 | — | A |
| Pro-Vac OK | Construction | 0 | — | A |
| Pro-Vac TX | Construction | 0 | — | A |
| Pro-Wide Drywall, Inc. CA | Construction | 0 | — | F |
| Proactive Health Care Medicine PLLC NY | Healthcare & Social Assistance | 0 | — | A |
| ProActive Home Care, LLC KS | Healthcare & Social Assistance | 0 | — | D |
| ProActive Solutions USA,LLC WI | Manufacturing | 0 | — | C |
| Proactive Technologies LA | — | 0 | — | — |
| Proactive Technologies Inc ND | — | 0 | — | — |
| ProAdvantage Supply Chain Services TN | Transportation & Warehousing | 0 | — | B |
| ProAmpac AL | Manufacturing | 0 | — | C |
| ProAmpac AR | Manufacturing | 0 | — | D |
| ProAmpac FL | Manufacturing | 0 | — | A |
| ProAmpac IL | Manufacturing | 0 | — | C |
| ProAmpac MA | Manufacturing | 0 | — | A |
| ProAmpac MN | Manufacturing | 0 | — | F |
| ProAmpac MO | Manufacturing | 0 | — | A |
| ProAmpac NC | Manufacturing | 0 | — | A |
| ProAmpac NE | Manufacturing | 0 | — | F |
| ProAmpac NY | Manufacturing | 0 | — | F |
| ProAmpac OH | Manufacturing | 0 | — | A |
| ProAmpac OK | Manufacturing | 0 | — | A |
| ProAmpac TN | Manufacturing | 0 | — | C |
| ProAmpac VA | Manufacturing | 0 | — | F |
| ProAmpac WA | Manufacturing | 0 | — | C |
| ProAmpac WI | Manufacturing | 0 | — | D |
| ProAmpac Fort Worth TX | Manufacturing | 0 | — | F |
| ProAmpac Portland OR | Manufacturing | 0 | — | A |
| ProAsys Inc. PA | Wholesale Trade | 0 | — | A |
