| Carlisle Lodge No 761 Loyal Order of MooseHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Nestle Usa, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Carnegie Natural Gas CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Lieberman Companies, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Bandai Namco Amusement America IncHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Carpenter & Paterson, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Carpentertown Coal & Coke CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Central Plumbing & Heating Co IncHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Chambers Development Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Chapel Steel Corp.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Chapin & Chapin, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Chicago Rivet & Machine CoHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Chicora Lodge No. 962, Loyal Order of Moose, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Hotel Corporation of AmericaHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Chubb & Son Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Genfi MinistriesHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| The City Asphalt and Paving CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Css Industries, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Cives CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| W.f. Holt CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Clark-reliance LlcHarrisburg, PA · Not reported | Harrisburg, PA | LLC | Not reported | Not reported |
| Triad Electric & Controls, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Clearline, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Cleveland Electric Illuminating CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Cleveland Wrecking CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Clevepak CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Coates Field Service, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Coca-cola CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Cogun, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Coin Acceptors, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Colgate-palmolive CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Colitz Mining CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Colonial Coach Corp.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Colt Resources, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Columbia Boiler Company of PottstownHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Comet Rice Mills, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Commercial Refrigeration of Harrisburg, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Commonwealth Plan IncHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Mercy Home HealthHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Mercy Health CareHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Community Refuse Service, LlcHarrisburg, PA · Not reported | Harrisburg, PA | LLC | Not reported | Not reported |
| Nova Seller CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Computer Hardware Maintenance Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Conklin Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Conneaut Lake Sand and Gravel, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Graver Tank & Mfg. Co., Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Conti Corporation - OhioHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Foss North America, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Nielsen Audio, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Cooper Industries, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |