| Pipe Craft, Inc. NJ | Construction | 0 | — | D |
| Pipe Dreams Ventures, Inc dba ALBERT NAHMAN PLUMBING, HEATING & COOLING CA | Construction | 0 | — | F |
| Pipe Movers, Inc TX | Wholesale Trade | 0 | — | F |
| Pipe Strong LLC IL | Construction | 0 | — | B |
| Pipe Strong, LLC, STE 200 IL | Construction | 0 | — | F |
| Pipe Technologies Inc. CA | Professional & Technical Services | 3 | $219,180 | — |
| Pipe Technologies Inc. FL | Professional & Technical Services | 1 | $130,000 | — |
| Pipe Valves, Inc. OH | Wholesale Trade | 0 | — | B |
| Pipe Wrench LLC TN | Construction | 0 | — | F |
| Pipe Wrench Plumbing, Heating & Cooling, Inc. TN | Construction | 0 | — | F |
| Pipecom Incorporated TX | Professional & Technical Services | 1 | $144,999 | — |
| Pipeconx IN | Manufacturing | 0 | — | F |
| Pipedream Products CA | — | 0 | — | — |
| Pipeline Carriers - Alvaradp TX | Transportation & Warehousing | 0 | — | A |
| Pipeline Carriers- Rialto CA | Transportation & Warehousing | 0 | — | D |
| Pipeline Conditioning, LLC CO | Construction | 0 | — | A |
| Pipeline Construction & Maintenance, Inc LA | Construction | 0 | — | A |
| Pipeline Controls & Services, Inc. GA | Construction | 0 | — | A |
| Pipeline Design & Engineering AZ | Professional & Technical Services | 0 | — | A |
| Pipeline East Dallas LLC TX | Healthcare & Social Assistance | 1 | $151,507 | — |
| Pipeline Health System Holdings, LLC CA | Healthcare & Social Assistance | 0 | — | F |
| Pipeline Health Systems Holdings, LLC CA | Healthcare & Social Assistance | 0 | — | F |
| Pipeline international. OK | Manufacturing | 0 | — | C |
| Pipeline Machinery International LP TX | Wholesale Trade | 0 | — | B |
| Pipeline Plastics NC | Manufacturing | 0 | — | A |
| Pipeline Plastics SD | Manufacturing | 0 | — | F |
| Pipeline Plastics TX | Manufacturing | 0 | — | A |
| Pipeline Plumbing OR | Construction | 0 | — | F |
| Pipeline PS, Inc. NY | Professional & Technical Services | 2 | $98,000 | — |
| Pipeline Specialties Inc CO | Construction | 0 | — | A |
| Pipeline Supply & Service LLC TX | Wholesale Trade | 0 | — | A |
| Piper Aircraft, Inc. FL | Manufacturing | 1 | $120,000 | F |
| Piper City Fire Protection District IL | Public Administration | 0 | — | A |
| Piper Companies, LLC VA | Professional & Technical Services | 1 | $161,446 | — |
| Piper Electric Co., Inc. CO | Construction | 0 | — | A |
| Piper Fire Protection, Inc. FL | Construction | 0 | — | F |
| Piper Industries, Inc. MI | Manufacturing | 0 | — | F |
| Piper Sandler & Co. MN | Finance & Insurance | 2 | $250,000 | — |
| Piper Warehouse Inc IN | Transportation & Warehousing | 0 | — | B |
| Piper Warehouse Inc OH | Transportation & Warehousing | 0 | — | A |
| Piper Warehouse Inc. GA | Transportation & Warehousing | 0 | — | F |
| Pipers Express Inc. IL | Transportation & Warehousing | 0 | — | F |
| PipeSense, LLC TX | Mining & Extraction | 1 | $155,000 | — |
| Pipestone County MN | Public Administration | 0 | — | A |
| Pipestone County Medical Center MN | Healthcare & Social Assistance | 2 | $71,677 | F |
| Pipeway Energy Construction MD | Construction | 0 | — | F |
| Pipho Milk Transport, Inc AZ | Transportation & Warehousing | 0 | — | F |
| Piping Contractors of Kansas KS | Construction | 0 | — | A |
| Piping Enterprise Company Incorporated OK | Manufacturing | 0 | — | B |
| Piping Products, Inc. TX | Manufacturing | 0 | — | A |
