| 1 | A & G Leasing CorporationNot reported | Corporation | Not reported | Not reported |
| 2 | The Advisory Board of the Shenango Valley Campus of the Pennsylvania State UniversityNot reported | Nonprofit | Not reported | Not reported |
| 3 | Air Patrol Flying ClubNot reported | Nonprofit | Not reported | Not reported |
| 4 | The Akron Sundae Cone CompanyNot reported | Corporation | Not reported | Not reported |
| 5 | Albright-thomas Steel Co.Not reported | Corporation | Not reported | Not reported |
| 6 | Aldina CorporationNot reported | Nonprofit | Not reported | Not reported |
| 7 | Allstate Distributors, Inc.Not reported | Corporation | Not reported | Not reported |
| 8 | Allum Motors, Inc.Not reported | Corporation | Not reported | Not reported |
| 9 | Ambassador Travel Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 10 | Ambriola, John & Co IncNot reported | Corporation | Not reported | Not reported |
| 11 | H. Anderson, Inc.Not reported | Corporation | Not reported | Not reported |
| 12 | Andreoletti Beauty Shop, Inc.Not reported | Corporation | Not reported | Not reported |
| 13 | Armstrong Grocery CompanyNot reported | Corporation | Not reported | Not reported |
| 14 | Arrow Builders IncNot reported | Corporation | Not reported | Not reported |
| 15 | Ashcom Convalescent & Nursing Home, Inc.Not reported | Corporation | Not reported | Not reported |
| 16 | Auto-truck Rust Proofing Company of Sharon, PennsylvaniaNot reported | Corporation | Not reported | Not reported |
| 17 | Automatic Music Association of Western Pennsylvania IncNot reported | Nonprofit | Not reported | Not reported |
| 18 | Aware, IncNot reported | Nonprofit | Not reported | Not reported |
| 19 | Babnis Builders IncNot reported | Corporation | Not reported | Not reported |
| 20 | Baker-mihalcin IncNot reported | Corporation | Not reported | Not reported |
| 21 | Baldwin Trading CompanyNot reported | Corporation | Not reported | Not reported |
| 22 | Bancon, Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | Baron, Henry J. Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | Barr City Auto Wrecking, Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Basil Theatre CorporationNot reported | Corporation | Not reported | Not reported |
| 26 | Bauzer, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | Beckdol Sporting Goods CompanyNot reported | Corporation | Not reported | Not reported |
| 28 | The Beechmont ClubNot reported | Corporation | Not reported | Not reported |
| 29 | Beil, A. F. Electric, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | Berco Company IncNot reported | Corporation | Not reported | Not reported |
| 31 | Berco, Inc.Not reported | Corporation | Not reported | Not reported |
| 32 | Bestmar CorporationNot reported | Corporation | Not reported | Not reported |
| 33 | Bethlehem Presbyterian Church of Sharon PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 34 | Bible Baptist Church of Mercer CountyNot reported | Nonprofit | Not reported | Not reported |
| 35 | Big Town, IncorporatedNot reported | Corporation | Not reported | Not reported |
| 36 | Billak Floral Shop IncNot reported | Corporation | Not reported | Not reported |
| 37 | Bio-med Computer Services, Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Bloomberg Plumbing CompanyNot reported | Corporation | Not reported | Not reported |
| 39 | Bochert Bros. Painting & Decorating CompanyNot reported | Corporation | Not reported | Not reported |
| 40 | Bolotin & Steinfeld, M.d., P.c.Not reported | Corporation | Not reported | Not reported |
| 41 | Bonded Collection Agency IncNot reported | Corporation | Not reported | Not reported |
| 42 | Bono Rocco Construction Co.Not reported | Corporation | Not reported | Not reported |
| 43 | Bono Rocco Equipment Co.Not reported | Corporation | Not reported | Not reported |
| 44 | Boycan Floral Arts, Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | Boyd Electric Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Brandywine Coal Producing CoNot reported | Corporation | Not reported | Not reported |
| 47 | Richard J. Brevetta, M.d. and Quaglio, Nannette D., M.d., P.c.Not reported | Corporation | Not reported | Not reported |
| 48 | Brimar Construction Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | The Jos Bucheit & Sons CoNot reported | Corporation | Not reported | Not reported |
| 50 | Buday Builders IncNot reported | Corporation | Not reported | Not reported |