| 1 | Act Laboratories, Inc.Not reported | Corporation | Not reported | Not reported |
| 2 | Allegheny Engineering Co.Not reported | Corporation | Not reported | Not reported |
| 3 | Allied Lumber Remodelers, Inc.Not reported | Corporation | Not reported | Not reported |
| 4 | Southwick Interiors, Ltd.Not reported | Corporation | Not reported | Not reported |
| 5 | Am - Low Construction , Inc .Not reported | Corporation | Not reported | Not reported |
| 6 | Anthony,william F.d.d.s.Not reported | Corporation | Not reported | Not reported |
| 7 | B. S. R., Inc.Not reported | Corporation | Not reported | Not reported |
| 8 | Barkay CorporationNot reported | Corporation | Not reported | Not reported |
| 9 | L. Beinhauer & Son CompanyNot reported | Corporation | Not reported | Not reported |
| 10 | Edco Commercial Contracting, Inc.Not reported | Corporation | Not reported | Not reported |
| 11 | Bricmont & Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 12 | Card & Candy, Inc.Not reported | Corporation | Not reported | Not reported |
| 13 | Chartiers Valley Guards, Co. E, 9th Reg't., Penna.res.Not reported | Nonprofit | Not reported | Not reported |
| 14 | Cheese Chalet, Inc.Not reported | Corporation | Not reported | Not reported |
| 15 | Climate Control CompanyNot reported | Corporation | Not reported | Not reported |
| 16 | W. Bud Craig & Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 17 | Cruise-ur-trailer, Inc.Not reported | Corporation | Not reported | Not reported |
| 18 | Dawn Broadcasting, Inc.Not reported | Corporation | Not reported | Not reported |
| 19 | Deangelis Management CorporationNot reported | Corporation | Not reported | Not reported |
| 20 | Decicco, D. H. CompanyNot reported | Corporation | Not reported | Not reported |
| 21 | Eastbourne Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Energy Products CompanyNot reported | Corporation | Not reported | Not reported |
| 23 | Ernie's Esquire Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | The Evangelical Lutheran Church of Our Redeemer of Peters TownshipNot reported | Nonprofit | Not reported | Not reported |
| 25 | Excel Sports Equipment Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 26 | Fife Woods, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | Fireside Interiors, Inc.Not reported | Corporation | Not reported | Not reported |
| 28 | Five Star Tire Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | Forest Builders IncNot reported | Corporation | Not reported | Not reported |
| 30 | Fourth Allegheny CorporationNot reported | Corporation | Not reported | Not reported |
| 31 | Fraternal Service CorporationNot reported | Corporation | Not reported | Not reported |
| 32 | The Gateway Trading Co IncNot reported | Corporation | Not reported | Not reported |
| 33 | Golden Star Mining Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 34 | H. & M. Systems, Inc.Not reported | Corporation | Not reported | Not reported |
| 35 | Happel Center, Inc.Not reported | Corporation | Not reported | Not reported |
| 36 | Hearex Corporation of Southern PennsylvaniaNot reported | Corporation | Not reported | Not reported |
| 37 | C J Hodder Lumber Co IncNot reported | Corporation | Not reported | Not reported |
| 38 | The Hole-in-one-donut Shoppes, Inc.Not reported | Corporation | Not reported | Not reported |
| 39 | Home Builders Association of Washington CountyNot reported | Nonprofit | Not reported | Not reported |
| 40 | House of Pierre, Inc.Not reported | Corporation | Not reported | Not reported |
| 41 | The House of Robert Hammel, Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | Identiseal of Pittsburgh, Inc.Not reported | Corporation | Not reported | Not reported |
| 43 | Kapcar Sales Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | Knight's Ltd.Not reported | Corporation | Not reported | Not reported |
| 45 | L. E. Kraus Co.Not reported | Corporation | Not reported | Not reported |
| 46 | Lakeside Baptist Church, S.b.c.Not reported | Nonprofit | Not reported | Not reported |
| 47 | Lamb, Inc.Not reported | Corporation | Not reported | Not reported |
| 48 | Lotus Cars of Pittsburgh Limited, IncorporatedNot reported | Corporation | Not reported | Not reported |
| 49 | Macintyre Equipment Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 50 | Gilbert B. Mcmaster, M.d., Inc.Not reported | Corporation | Not reported | Not reported |