| The Procter & Gamble Distributing CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Restaura, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Prospect Company, LlcHarrisburg, PA · Not reported | Harrisburg, PA | LLC | Not reported | Not reported |
| Prout Boiler Heating and Welding IncHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Electro-mec, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Punxsutawney Lodge No. 954, Loyal Order of Moose, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Tp Industrial, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Playworld Systems IncorporatedHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Nuvision Engineering, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Qpc of New England, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Quaker Oats CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| R&s Manufacturing, LlcHarrisburg, PA · Not reported | Harrisburg, PA | LLC | Not reported | Not reported |
| Nestle Purina Petcare CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Randolph Computer CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Raymond, James & Associates, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Comcast of Pennsylvania/maryland, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Reader's Digest Sales and Services, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Real Estate and Improvement Company of Baltimore CityHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Recovery Services International, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Recticon CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Refiners Transport & Terminal CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Geo P. Reintjes Co. Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Reithoffer Equipment Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Reithoffer Manufacturing CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rental Industry Services, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Republic Realty Group Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Avonmore Rail Loading, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Retired Steelworkers Housing and Health Development CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Reynolds Metals Company, LlcHarrisburg, PA · Not reported | Harrisburg, PA | LLC | Not reported | Not reported |
| The Reynolds and Reynolds CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Richman Brothers CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rix Systems, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Robbins & Myers, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Roberts & Schaefer CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Riggs Distler & Company IncHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Al C. Rinaldi, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Riordan Materials CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rite Aid CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rite Aid Realty Corp.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rivac International, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Robinson Pipe Cleaning CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Roblin Industries, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rohm and Haas CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| H.e. Rohrer, LlcHarrisburg, PA · Not reported | Harrisburg, PA | LLC | Not reported | Not reported |
| Rolleston CorpHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rolling Fields Golf Course, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rosencranse CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Royal Resources CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Rugby Realty CorpHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Ruslander & Sons, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |