| 1 | Arena Dwellings IncNot reported | Corporation | Not reported | Not reported |
| 2 | Ark Construction, Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | The Arms Building CorporationNot reported | Corporation | Not reported | Not reported |
| 4 | Baden Bowl, Inc.Not reported | Corporation | Not reported | Not reported |
| 5 | Beta Mortgage and Bond CorporationNot reported | Corporation | Not reported | Not reported |
| 6 | Betel Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 7 | Bondsman's Association of Western PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 8 | Bremer & Walker Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 9 | Brenta, Inc.Not reported | Corporation | Not reported | Not reported |
| 10 | Castleton Investment CorporationNot reported | Corporation | Not reported | Not reported |
| 11 | The Cine-pak CorporationNot reported | Corporation | Not reported | Not reported |
| 12 | Construction Materials Credit AssociationNot reported | Nonprofit | Not reported | Not reported |
| 13 | Donuts, Inc. of MonroevilleNot reported | Corporation | Not reported | Not reported |
| 14 | Dormont Legion Home AssociationNot reported | Nonprofit | Not reported | Not reported |
| 15 | Extraction Chemical CorporationNot reported | Corporation | Not reported | Not reported |
| 16 | Fox Chapel Associates IncNot reported | Corporation | Not reported | Not reported |
| 17 | Galstro Steel Erectors CompanyNot reported | Corporation | Not reported | Not reported |
| 18 | Greentree Road CorporationNot reported | Corporation | Not reported | Not reported |
| 19 | Greenyoung, Inc.Not reported | Corporation | Not reported | Not reported |
| 20 | Handte Service IncNot reported | Corporation | Not reported | Not reported |
| 21 | James,scott IncNot reported | Corporation | Not reported | Not reported |
| 22 | Jeff-todd, Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | Kingston Builders, Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | Lenny's Leisure Bar, Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Litcher, Gene Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 26 | Lin-way, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | Mar-merl IncNot reported | Corporation | Not reported | Not reported |
| 28 | Marouse, Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | Mental Health Association of Allegheny CountyNot reported | Nonprofit | Not reported | Not reported |
| 30 | Mercedes-benz Club of America, Pittsburgh SectionNot reported | Nonprofit | Not reported | Not reported |
| 31 | Mercury Dealers of Western Penna IncNot reported | Corporation | Not reported | Not reported |
| 32 | Meyer-powers Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 33 | Midland Apartments IncNot reported | Corporation | Not reported | Not reported |
| 34 | Mortgage Automation Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 35 | Mount Vernon Sales CorporationNot reported | Corporation | Not reported | Not reported |
| 36 | Normadex Products IncNot reported | Corporation | Not reported | Not reported |
| 37 | Ohio Valley Homes CorpNot reported | Corporation | Not reported | Not reported |
| 38 | Penn-brixite IncNot reported | Corporation | Not reported | Not reported |
| 39 | Pennsylvania Cable, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | Perrone Realty CorporationNot reported | Corporation | Not reported | Not reported |
| 41 | Pittsburgh Playhouse School of the TheaterNot reported | Nonprofit | Not reported | Not reported |
| 42 | Pittsburgh Police Welfare and Retirement FundNot reported | Nonprofit | Not reported | Not reported |
| 43 | Pittsburgh Preserve & Flavor Company IncNot reported | Corporation | Not reported | Not reported |
| 44 | Pittsburgh Rotapress IncorporatedNot reported | Corporation | Not reported | Not reported |
| 45 | Planned Homes IncNot reported | Corporation | Not reported | Not reported |
| 46 | Point Leasing Co.Not reported | Corporation | Not reported | Not reported |
| 47 | Point Steel CompanyNot reported | Corporation | Not reported | Not reported |
| 48 | Polar Sales Co.Not reported | Corporation | Not reported | Not reported |
| 49 | Rambler Dealers of Allegheny CountyNot reported | Nonprofit | Not reported | Not reported |
| 50 | Ready Construction CompanyNot reported | Corporation | Not reported | Not reported |