| 1 | Aaa Auto Accessories, Inc.Not reported | Corporation | Not reported | Not reported |
| 2 | A .a . a . Modern Drapery and Decorating CompanyNot reported | Corporation | Not reported | Not reported |
| 3 | Aaa Painting Contracting Co.Not reported | Corporation | Not reported | Not reported |
| 4 | A a a Realty & Construction Co.Not reported | Corporation | Not reported | Not reported |
| 5 | Aaa Steel and Enterprises CorporationNot reported | Corporation | Not reported | Not reported |
| 6 | Aaa Transmission Centers No. 1, Corp.Not reported | Corporation | Not reported | Not reported |
| 7 | Aaa Transmission Centers No. 2, Corp.Not reported | Corporation | Not reported | Not reported |
| 8 | Aaa Transmission Centers No. 3, Corp.Not reported | Corporation | Not reported | Not reported |
| 9 | Aaa Transmission CorporationNot reported | Corporation | Not reported | Not reported |
| 10 | Aaa Uniform Service IncNot reported | Corporation | Not reported | Not reported |
| 11 | A & a Auto Sales IncNot reported | Corporation | Not reported | Not reported |
| 12 | A & a Home Supply, Inc.Not reported | Corporation | Not reported | Not reported |
| 13 | A-a Homes IncNot reported | Corporation | Not reported | Not reported |
| 14 | A-a Insurance Agency, Inc.Not reported | Corporation | Not reported | Not reported |
| 15 | A & a Precast, Inc.Not reported | Corporation | Not reported | Not reported |
| 16 | A & a Transfer Corp.Not reported | Corporation | Not reported | Not reported |
| 17 | A. B. C. Cleaners, Inc.Not reported | Corporation | Not reported | Not reported |
| 18 | A B C Diaper Service IncNot reported | Corporation | Not reported | Not reported |
| 19 | Abc Pool Service and Sales, Inc.Not reported | Corporation | Not reported | Not reported |
| 20 | A B C Sales IncNot reported | Corporation | Not reported | Not reported |
| 21 | Abc Toy Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | A. B. Custom Draperies, Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | A & B Forms IncNot reported | Corporation | Not reported | Not reported |
| 24 | A B G Realty Co.Not reported | Corporation | Not reported | Not reported |
| 25 | A-b Service Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 26 | A Better Chance, Inc. of PittsburghNot reported | Nonprofit | Not reported | Not reported |
| 27 | Acg CorporationNot reported | Corporation | Not reported | Not reported |
| 28 | A.c.r.o. CorporationNot reported | Corporation | Not reported | Not reported |
| 29 | Room Concepts Furniture, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | A. D. G. Organ and Piano CompanyNot reported | Corporation | Not reported | Not reported |
| 31 | A. E. D., Inc.Not reported | Corporation | Not reported | Not reported |
| 32 | A.e.p. Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 33 | Auburn Engineering, Inc.Not reported | Corporation | Not reported | Not reported |
| 34 | South Hills Geriatric CouncilNot reported | Nonprofit | Not reported | Not reported |
| 35 | A. F. C. Electronics, Inc.Not reported | Corporation | Not reported | Not reported |
| 36 | A F C O Builders, Inc.Not reported | Corporation | Not reported | Not reported |
| 37 | Af Development CorporationNot reported | Corporation | Not reported | Not reported |
| 38 | A & G Construction CoNot reported | Corporation | Not reported | Not reported |
| 39 | Piatto Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | A.g.e. Rentals, Inc.Not reported | Corporation | Not reported | Not reported |
| 41 | A.h.p., Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | A.i.c. Inc.Not reported | Corporation | Not reported | Not reported |
| 43 | A. I. P., Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | Aja Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | A-jack, Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Ako, Inc.Not reported | Corporation | Not reported | Not reported |
| 47 | A K R Devices CompanyNot reported | Corporation | Not reported | Not reported |
| 48 | A.l.g. CorporationNot reported | Corporation | Not reported | Not reported |
| 49 | A. L. J. Furniture Distrubutors,inc.Not reported | Corporation | Not reported | Not reported |
| 50 | A & M Art Studios, Inc.Not reported | Corporation | Not reported | Not reported |