| 1 | A.h.m., Ltd.Not reported | Corporation | Not reported | Not reported |
| 2 | A R N Construction Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | A and S Distributing Co.Not reported | Corporation | Not reported | Not reported |
| 4 | The Aacronn Company Inc.Not reported | Corporation | Not reported | Not reported |
| 5 | Aacronn Development CorporationNot reported | Corporation | Not reported | Not reported |
| 6 | Aacronn Financial Planning CorporationNot reported | Corporation | Not reported | Not reported |
| 7 | Aberle Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 8 | Aching Feet CampNot reported | Nonprofit | Not reported | Not reported |
| 9 | Adel Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 10 | Airport Hotel, Inc.Not reported | Corporation | Not reported | Not reported |
| 11 | Alan's of Pottstown IncNot reported | Corporation | Not reported | Not reported |
| 12 | Albright Paper & Box CorpNot reported | Corporation | Not reported | Not reported |
| 13 | Alderson Enterprises, Ltd.Not reported | Corporation | Not reported | Not reported |
| 14 | The Ale House IncNot reported | Corporation | Not reported | Not reported |
| 15 | Alex, Edward Construction Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 16 | All Stars Stock Car Racing ClubNot reported | Nonprofit | Not reported | Not reported |
| 17 | Allegheny Conference Association of Seventh-day AdventistsNot reported | Nonprofit | Not reported | Not reported |
| 18 | Allergy Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 19 | All-state Manufacturing Co IncNot reported | Corporation | Not reported | Not reported |
| 20 | Almikeco IncNot reported | Corporation | Not reported | Not reported |
| 21 | Alpha Materials Technology, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Alto Grandview Acres, Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | Reagan-schuyler of Pottstown, Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | Aspco, Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Alyea-jackman Kits, Inc.Not reported | Corporation | Not reported | Not reported |
| 26 | American Metal Finishers IncNot reported | Corporation | Not reported | Not reported |
| 27 | Amity Mall, Inc.Not reported | Corporation | Not reported | Not reported |
| 28 | Amity Supply Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | Anderuti, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | Ar-en Motors, Inc.Not reported | Corporation | Not reported | Not reported |
| 31 | Arrow Vending & Distributing CorporationNot reported | Corporation | Not reported | Not reported |
| 32 | Arrowhead Forests, Inc.Not reported | Corporation | Not reported | Not reported |
| 33 | Artcraft Rubber Products IncNot reported | Corporation | Not reported | Not reported |
| 34 | Automobile Marketing CorporationNot reported | Corporation | Not reported | Not reported |
| 35 | Aviation News, Inc.Not reported | Corporation | Not reported | Not reported |
| 36 | Associated Detailers, Inc.Not reported | Corporation | Not reported | Not reported |
| 37 | Associated Food Brokerage Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Associates in Audiology Inc., a Close CorporationNot reported | Corporation | Not reported | Not reported |
| 39 | Auto Imports, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | Bc Engineering Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 41 | Bcm Associates IncorporatedNot reported | Corporation | Not reported | Not reported |
| 42 | B. M. W. Realty CorporationNot reported | Corporation | Not reported | Not reported |
| 43 | B & P Bar Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | B. & S. Specialties, Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | Bahr Arcade Realty CompanyNot reported | Corporation | Not reported | Not reported |
| 46 | Bakery Distributors, Inc.Not reported | Corporation | Not reported | Not reported |
| 47 | Bar-b-q Pit Restaurants IncNot reported | Corporation | Not reported | Not reported |
| 48 | Basco Flying Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | Beau Monde Imports, Inc.Not reported | Corporation | Not reported | Not reported |
| 50 | Bechtel's Ice Cream Stores IncNot reported | Corporation | Not reported | Not reported |