| 1 | A. M. C. CorporationNot reported | Corporation | Not reported | Not reported |
| 2 | A-plus Maintenance and Painting Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | Able Glass Specialists, Inc.Not reported | Corporation | Not reported | Not reported |
| 4 | Ace Auto Wrecking, Inc. of PittsburghNot reported | Corporation | Not reported | Not reported |
| 5 | Acme Land Company IncNot reported | Corporation | Not reported | Not reported |
| 6 | Acoustical Systems Inc.Not reported | Corporation | Not reported | Not reported |
| 7 | Algonquin Land CompanyNot reported | Nonprofit | Not reported | Not reported |
| 8 | Alveron Boat ClubNot reported | Nonprofit | Not reported | Not reported |
| 9 | American Mirror & Glass Co.Not reported | Corporation | Not reported | Not reported |
| 10 | Amusement Supply Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 11 | Anchor Sheet Metal Inc.Not reported | Corporation | Not reported | Not reported |
| 12 | Andreas Laskaratos Cephalonian AssociationNot reported | Nonprofit | Not reported | Not reported |
| 13 | Apostles' Lutheran Church of Penn HillsNot reported | Nonprofit | Not reported | Not reported |
| 14 | Arloulee, Inc.Not reported | Corporation | Not reported | Not reported |
| 15 | B-k Associates IncNot reported | Corporation | Not reported | Not reported |
| 16 | Baleno Development CoNot reported | Corporation | Not reported | Not reported |
| 17 | Beatty and Dinunzio, Inc.Not reported | Corporation | Not reported | Not reported |
| 18 | Brent Builders, Inc.Not reported | Corporation | Not reported | Not reported |
| 19 | Bri-con Inc.Not reported | Corporation | Not reported | Not reported |
| 20 | Bunting Stamp CompanyNot reported | Corporation | Not reported | Not reported |
| 21 | The Business and Professional Women's Club of Pittsburgh PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 22 | Caldarelli Homes, Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | Campolo and Son, Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | Certified Auto Parts, Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Certified Carpet Distributors Inc.Not reported | Corporation | Not reported | Not reported |
| 26 | Cessna Motor Sales, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | Chamber of Commerce of Verona, PennsylvaniaNot reported | Corporation | Not reported | Not reported |
| 28 | Char-jon Corp.Not reported | Corporation | Not reported | Not reported |
| 29 | Christ, Raymond L. Brokerage Co.Not reported | Corporation | Not reported | Not reported |
| 30 | Clifton and Leech, Builders, Inc.Not reported | Corporation | Not reported | Not reported |
| 31 | Comfort Air Systems, Inc.Not reported | Corporation | Not reported | Not reported |
| 32 | Community Super Market, Inc.Not reported | Corporation | Not reported | Not reported |
| 33 | Consumer Contracting Counseling Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 34 | Continental Properties, Inc.Not reported | Corporation | Not reported | Not reported |
| 35 | County of Allegheny Municipal Police Home AssociationNot reported | Nonprofit | Not reported | Not reported |
| 36 | D-j Contracting Co.Not reported | Corporation | Not reported | Not reported |
| 37 | D'acierno Masonry, Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Diamond Erection Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 39 | Divon Construction, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | E. & B. Construction Co. Inc.Not reported | Corporation | Not reported | Not reported |
| 41 | E. & E. Painting Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | E.p.i. of Cleveland, Inc.Not reported | Corporation | Not reported | Not reported |
| 43 | East Branch Equipment CompanyNot reported | Corporation | Not reported | Not reported |
| 44 | Eastwood Inn CorporationNot reported | Corporation | Not reported | Not reported |
| 45 | El Hal, Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Emru CompanyNot reported | Corporation | Not reported | Not reported |
| 47 | Engineered Products, Inc.Not reported | Corporation | Not reported | Not reported |
| 48 | Enterprises and Consultants IncNot reported | Corporation | Not reported | Not reported |
| 49 | F & W Coal CompanyNot reported | Corporation | Not reported | Not reported |
| 50 | Gail Trucking Co., Inc.Not reported | Corporation | Not reported | Not reported |