| Iotb, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| State Employees Recreation AssociationHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| State Ymca of Pennsylvania, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Steel Heddle Mfg. Co.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Harry M. Stevens, Inc. of Penn.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Stock Clearing Corporation of PhiladelphiaHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Stockham Valves & Fitting, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Stokely-van Camp, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Allan Myers Management, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Westmoreland Coal CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Ipc International CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Seligman J. Strauss Lodge of B'nai B'rith Housing Foundation Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Stuart Medical, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Mercy Suburban HospitalHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Sugarloaf Golf Club, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Smith Family Holding CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Smith Family Holding Company of PennsylvaniaHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Supervalu Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Fresh Mark, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Hanson Pipe & Products Macedonia, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tsg Holding Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tandem, IncorporatedHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Taskforce Food Services Corporation of PennsylvaniaHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tau Kappa Epsilon Fraternity, Alpha Tau ChapterHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Pulse Electronics CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tektronix, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Patriot-news Co.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Innovel Solutions, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Terre Hill Silo Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Daniel A. Terreri and Sons, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tesone Enterprises, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tesone Land CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Theatre Service and Supply Co.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Thelen, Ken Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Thomas Industries Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tjh CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Titanium Metals CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tojo CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| The Toledo Edison CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Continental-topper, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Toshiba International CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| United Dimensions, Ltd.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Towanda Printing CompanyHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Tower City Lodge No 1603 Loyal Order of MooseHarrisburg, PA · Not reported | Harrisburg, PA | Nonprofit | Not reported | Not reported |
| Tower Inspection, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Federated Natural Resources Corp.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Townsend and Bottum IncHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Trace Construction Company, Inc.Harrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Transamerica Finance CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |
| Protective Insurance CorporationHarrisburg, PA · Not reported | Harrisburg, PA | Corporation | Not reported | Not reported |