| Donora Aerie #502 Fraternal Order of EaglesDonora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Donora Firemen's Relief AssociationDonora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Donora Sportsmen's AssociationDonora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Ultra Holdings, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Kinniburgh Printing, Inc.Curtisville, PA · Not reported | Curtisville, PA | Corporation | Not reported | Not reported |
| Dc Development LpDonora, PA · Not reported | Donora, PA | Partnership | Not reported | Not reported |
| Turbo Machine, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Rmx70, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Family 1st Home Inspection Services, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Eastern Machine & Conveyors, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Power & Industrial Services CorporationDonora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Mcgrew Welding and Fabricating, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Chub's Pub, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Heartfelt Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Donora Downtown Committee, Inc.Donora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Harry M. Marchewka R.ph., P.c.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Sky Ball, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Del Suppo, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| New Beginning in Christ, Inc.Donora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Mon Valley Youth and Teen Association, Inc.Donora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Sealmark Manufacturing CorporationDonora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Donora Historical Society, Inc.Donora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Finley Air, Inc.Denora, PA · Not reported | Denora, PA | Corporation | Not reported | Not reported |
| P & I Properties, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Hydra-service Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Jamesgee, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Donora Installed Sales, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| House Fixers LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Boogieyb Bbq Soul Food and Catering L.l.c.Donora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| M. J. 78 Construction, L.l.c.Ambridge, PA · Not reported | Ambridge, PA | LLC | Not reported | Not reported |
| Fif Carriers IncDonora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Lafg Holdings LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| The Jericho Project Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Matron Real Estate Investments Co. LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Mon Valley, LpDonora, PA · Not reported | Donora, PA | Partnership | Not reported | Not reported |
| Phatdawgs, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| England Properties, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Alpha Dwellings, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Spencer & Associates Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Bs Cards and Services, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Stripped, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Donora Smog Commemorative CommitteeDonora, PA · Not reported | Donora, PA | Nonprofit | Not reported | Not reported |
| Lavish Affordables, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Sealmark CorporationDonora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Vena Technologies, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Itama Development Associates, LpDonora, PA · Not reported | Donora, PA | Partnership | Not reported | Not reported |
| Itama Development Associates-1, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| J and S Painting and Lawn Service, Inc.Donora, PA · Not reported | Donora, PA | Corporation | Not reported | Not reported |
| Tri-state Pool Covers, LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |
| Pc Lyfe LlcDonora, PA · Not reported | Donora, PA | LLC | Not reported | Not reported |