| 1 | A.a.f., Inc. a Close CorporationNot reported | Corporation | Not reported | Not reported |
| 2 | A. B. C. Billiard ClubNot reported | Nonprofit | Not reported | Not reported |
| 3 | Abbie's Pictures IncNot reported | Corporation | Not reported | Not reported |
| 4 | Alpine ClubNot reported | Nonprofit | Not reported | Not reported |
| 5 | American Carpathian Rusin Club of MonessenNot reported | Nonprofit | Not reported | Not reported |
| 6 | American Croation Brotherhood of Monessen PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 7 | B R B Car Wash, IncNot reported | Corporation | Not reported | Not reported |
| 8 | Bar 20, Inc.Not reported | Corporation | Not reported | Not reported |
| 9 | Belmar Land Development Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 10 | Pompeyp B. Brando Medical Services, Inc.Not reported | Corporation | Not reported | Not reported |
| 11 | Braddock Bowling Alleys, Inc.Not reported | Corporation | Not reported | Not reported |
| 12 | Brookeville Boyswear CorporationNot reported | Corporation | Not reported | Not reported |
| 13 | C C & P Coal Co IncNot reported | Corporation | Not reported | Not reported |
| 14 | Dr. Fred T. Campana Professional CorporationNot reported | Corporation | Not reported | Not reported |
| 15 | Civic Stage Players (the)Not reported | Nonprofit | Not reported | Not reported |
| 16 | Fred R. Clark CorporationNot reported | Corporation | Not reported | Not reported |
| 17 | Club 20Not reported | Nonprofit | Not reported | Not reported |
| 18 | Committee for Coordination and EducationNot reported | Nonprofit | Not reported | Not reported |
| 19 | Community Housing Action for Monessen Progress Inc.Not reported | Nonprofit | Not reported | Not reported |
| 20 | Costa's Yarns & Crafts, Inc.Not reported | Corporation | Not reported | Not reported |
| 21 | The Daily Independent, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Datron Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | Dealers Supply CompanyNot reported | Corporation | Not reported | Not reported |
| 24 | Dependable Furnace Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Dependable Sales CompanyNot reported | Corporation | Not reported | Not reported |
| 26 | Derby's Construction and Supply IncNot reported | Corporation | Not reported | Not reported |
| 27 | Doctors' Dudes Dental AssociatesNot reported | Corporation | Not reported | Not reported |
| 28 | Dolan Motor CompanyNot reported | Corporation | Not reported | Not reported |
| 29 | Donner Grill, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | Drewco, Inc.Not reported | Corporation | Not reported | Not reported |
| 31 | Ed - Jon, Inc.Not reported | Corporation | Not reported | Not reported |
| 32 | Everyday PeopleNot reported | Nonprofit | Not reported | Not reported |
| 33 | First United Methodist Church of MonessenNot reported | Nonprofit | Not reported | Not reported |
| 34 | Franco-belge Ladies' Auxiliary of Monessen PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 35 | Gate of Heaven Church of God in Christ of Monessen PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 36 | German Beneficial Union No 175Not reported | Nonprofit | Not reported | Not reported |
| 37 | Getodo Social ClubNot reported | Nonprofit | Not reported | Not reported |
| 38 | John L. Gibson Inc.Not reported | Corporation | Not reported | Not reported |
| 39 | Glenwoods Men Shop, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | Gordian Systems CorporationNot reported | Corporation | Not reported | Not reported |
| 41 | Grass-hopper Investment and Development, Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | Greater Beneficial Union No. 175Not reported | Nonprofit | Not reported | Not reported |
| 43 | Grover Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | Haury's Construction Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | Hilltop Social ClubNot reported | Corporation | Not reported | Not reported |
| 46 | His Place, IncorporatedNot reported | Corporation | Not reported | Not reported |
| 47 | Hub Real Estate Development Corp.Not reported | Corporation | Not reported | Not reported |
| 48 | Huf-k Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | Hungarian Beneficial ClubNot reported | Nonprofit | Not reported | Not reported |
| 50 | The Independent Council for Retarded ChildrenNot reported | Nonprofit | Not reported | Not reported |