| 1 | Abrasive Products CompanyNot reported | Corporation | Not reported | Not reported |
| 2 | Addax Construction Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | Admiral Auto Leasing Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 4 | Advance Specialty CompanyNot reported | Corporation | Not reported | Not reported |
| 5 | Advanced Chemicals, Inc.Not reported | Corporation | Not reported | Not reported |
| 6 | P.m. Video CompanyNot reported | Corporation | Not reported | Not reported |
| 7 | Almo Oil Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 8 | American Abstract CorporationNot reported | Corporation | Not reported | Not reported |
| 9 | American Realty Leasing Corp.Not reported | Corporation | Not reported | Not reported |
| 10 | Angus Mills, Inc.Not reported | Corporation | Not reported | Not reported |
| 11 | Applebaum Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 12 | Ardmont IncNot reported | Corporation | Not reported | Not reported |
| 13 | Arturo Mexican Food Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 14 | Associated General Suppliers IncNot reported | Corporation | Not reported | Not reported |
| 15 | Associated Hardware & Decorator Centers, Inc.Not reported | Corporation | Not reported | Not reported |
| 16 | Bannercraft Development Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 17 | Barnes Machine Company IncNot reported | Corporation | Not reported | Not reported |
| 18 | Beaty Cleaners and Dyers IncNot reported | Corporation | Not reported | Not reported |
| 19 | Beaver Brickwork, Inc.Not reported | Corporation | Not reported | Not reported |
| 20 | Beaver Hollow, Inc.Not reported | Corporation | Not reported | Not reported |
| 21 | Bel-air Oxygen, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Berry's Men's Shop IncNot reported | Corporation | Not reported | Not reported |
| 23 | Best of Breed, Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | Boblane Cleaners, Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Bowden, E T IncNot reported | Corporation | Not reported | Not reported |
| 26 | Boyle Motor CompanyNot reported | Corporation | Not reported | Not reported |
| 27 | Brumbaugh Auto Leasing Corp.Not reported | Corporation | Not reported | Not reported |
| 28 | E. E. Brumbaugh, Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | Brumbaugh & Sons CorporationNot reported | Corporation | Not reported | Not reported |
| 30 | Burdlee IncNot reported | Corporation | Not reported | Not reported |
| 31 | Burdsall-ballard CorporationNot reported | Corporation | Not reported | Not reported |
| 32 | Frank Burke Inc.Not reported | Corporation | Not reported | Not reported |
| 33 | Burns Thomas W., Inc.Not reported | Corporation | Not reported | Not reported |
| 34 | Bywood IncNot reported | Corporation | Not reported | Not reported |
| 35 | C. and F. Construction Corp.Not reported | Corporation | Not reported | Not reported |
| 36 | Cabe, Inc.Not reported | Corporation | Not reported | Not reported |
| 37 | Cast and Machine Products, Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Child Evangelism Fellowship of Delaware County, Pennsylvania, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 39 | Chipmunk Sportmen's Club, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 40 | Cipollone's Sales and Service IncorporatedNot reported | Corporation | Not reported | Not reported |
| 41 | Clausen, Christian H Manufacturing Company IncNot reported | Corporation | Not reported | Not reported |
| 42 | Colonial Court, Inc.Not reported | Corporation | Not reported | Not reported |
| 43 | Colony Arms, Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | Commonwealth Builders & Supply Company IncNot reported | Corporation | Not reported | Not reported |
| 45 | Commonwealth Materials Co IncNot reported | Corporation | Not reported | Not reported |
| 46 | Community Chevrolet IncNot reported | Corporation | Not reported | Not reported |
| 47 | The Young Men's Christian Association of Delaware CountyNot reported | Nonprofit | Not reported | Not reported |
| 48 | Dear, Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | The Dease Company IncNot reported | Corporation | Not reported | Not reported |
| 50 | Del-tronics, Inc.Not reported | Corporation | Not reported | Not reported |