| 1 | Acutran, Inc.Not reported | Corporation | Not reported | Not reported |
| 2 | Corp. Chas. Allen H. Post No. 977, Veterans of Foreign Wars of the U.s., Donora, Pa.Not reported | Nonprofit | Not reported | Not reported |
| 3 | Badzik Printing Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 4 | Bethlehem Temple ChurchNot reported | Nonprofit | Not reported | Not reported |
| 5 | The Boston Store of Donora Inc.Not reported | Corporation | Not reported | Not reported |
| 6 | Prime Medical South P.c.Not reported | Corporation | Not reported | Not reported |
| 7 | Calvary United Presbyterian Church of Donora, PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 8 | E C Cannon IncNot reported | Corporation | Not reported | Not reported |
| 9 | Carroll Township Boosters' ClubNot reported | Nonprofit | Not reported | Not reported |
| 10 | Clemart CorporationNot reported | Corporation | Not reported | Not reported |
| 11 | Cominsul CorporationNot reported | Corporation | Not reported | Not reported |
| 12 | The Commercial Salvage & Contracting CoNot reported | Corporation | Not reported | Not reported |
| 13 | The Community Chest of Donora, PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 14 | Cy's Men's Store IncNot reported | Corporation | Not reported | Not reported |
| 15 | D & H Rambler, Inc.Not reported | Corporation | Not reported | Not reported |
| 16 | Dawn Supply, Inc.Not reported | Corporation | Not reported | Not reported |
| 17 | Philip L. Derienzo, Funeral Home, Inc.Not reported | Corporation | Not reported | Not reported |
| 18 | Donora Aerie #502 Fraternal Order of EaglesNot reported | Nonprofit | Not reported | Not reported |
| 19 | Donora Chamber of CommerceNot reported | Nonprofit | Not reported | Not reported |
| 20 | Donora Community and Library CenterNot reported | Nonprofit | Not reported | Not reported |
| 21 | Donora EnterprisesNot reported | Nonprofit | Not reported | Not reported |
| 22 | Donora Firemen's Relief AssociationNot reported | Nonprofit | Not reported | Not reported |
| 23 | Donora Girl Scout CouncilNot reported | Nonprofit | Not reported | Not reported |
| 24 | Donora Golden JubileeNot reported | Nonprofit | Not reported | Not reported |
| 25 | Donora Gospel HallNot reported | Nonprofit | Not reported | Not reported |
| 26 | Donora Junior Chamber of CommerceNot reported | Nonprofit | Not reported | Not reported |
| 27 | Donora Masonic Temple AssociationNot reported | Nonprofit | Not reported | Not reported |
| 28 | Donora Motor, Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | Donora Police Pension Fund of Donora PaNot reported | Nonprofit | Not reported | Not reported |
| 30 | Donora Public Library AssociationNot reported | Nonprofit | Not reported | Not reported |
| 31 | Donora Sportsmen's AssociationNot reported | Nonprofit | Not reported | Not reported |
| 32 | Donora Sportswear Company, IncorporatedNot reported | Corporation | Not reported | Not reported |
| 33 | Donora United Italian LodgeNot reported | Nonprofit | Not reported | Not reported |
| 34 | Donora Youth Athletic Association, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 35 | Fd Services, Inc.Not reported | Corporation | Not reported | Not reported |
| 36 | The First Presbyterian Church of DonoraNot reported | Nonprofit | Not reported | Not reported |
| 37 | Fourteenth St Recreation CenterNot reported | Nonprofit | Not reported | Not reported |
| 38 | Friedlanders, Inc.Not reported | Corporation | Not reported | Not reported |
| 39 | Greater Beneficial Union, District No. 260, Donora, PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 40 | Hotel Irondale IncNot reported | Corporation | Not reported | Not reported |
| 41 | Lewis Special, Inc. (mme)Not reported | Corporation | Not reported | Not reported |
| 42 | Lions Club of Donora, Pa.Not reported | Nonprofit | Not reported | Not reported |
| 43 | Manalt, Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | Matway Chevrolet, Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | Mcgaughey Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Mod Lady, Inc.Not reported | Corporation | Not reported | Not reported |
| 47 | Moderne Refrigeration & Electric, Inc.Not reported | Corporation | Not reported | Not reported |
| 48 | Mon-valley Leasing, Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | Mon-valley Motels, IncorporatedNot reported | Corporation | Not reported | Not reported |
| 50 | Mon Valley Police Chiefs AssociationNot reported | Nonprofit | Not reported | Not reported |