| 1 | Fish Game and Forestry Association of Williamstown PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 2 | Fountain Blue Motel, Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | Jan-dee Inc.Not reported | Corporation | Not reported | Not reported |
| 4 | Katrice Fashions, Inc.Not reported | Corporation | Not reported | Not reported |
| 5 | L a D IncNot reported | Corporation | Not reported | Not reported |
| 6 | Ore Separators, Inc.Not reported | Corporation | Not reported | Not reported |
| 7 | Shuttlesworth-radell-shammo Post No. 239 American LegionNot reported | Nonprofit | Not reported | Not reported |
| 8 | Tri-town Jaycee Medical Assn/tri-community Jaycee Medical Assn.Not reported | Nonprofit | Not reported | Not reported |
| 9 | Underkoffler Coal Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 10 | The Up-county Social ClubNot reported | Nonprofit | Not reported | Not reported |
| 11 | Williams Valley Sportsman's ClubNot reported | Nonprofit | Not reported | Not reported |
| 12 | Williamstown Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 13 | Williamstown Borough AuthorityNot reported | Other | Not reported | Not reported |
| 14 | Williamstown Community Swimming Pool AssociationNot reported | Nonprofit | Not reported | Not reported |
| 15 | Williamstown Dress Company IncNot reported | Corporation | Not reported | Not reported |
| 16 | Williamstown Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 17 | Williamstown V F W Post No 6497 Home AssociationNot reported | Nonprofit | Not reported | Not reported |
| 18 | Williamstown and Williams Township Ambulance AssociationNot reported | Nonprofit | Not reported | Not reported |
| 19 | Wren Coal & Briquet CoNot reported | Corporation | Not reported | Not reported |
| 20 | Ppms CorporationNot reported | Corporation | Not reported | Not reported |
| 21 | Underkoffler Trucking and Excavating, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Williamstown Sesqui-centennial CommitteeNot reported | Nonprofit | Not reported | Not reported |
| 23 | M.w.k. Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | Mace Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Smith's Insurance Agency, Inc.Not reported | Corporation | Not reported | Not reported |
| 26 | S & S Anthracite, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | The Main Event Inn, Inc.Not reported | Corporation | Not reported | Not reported |
| 28 | Maple Leaf Coal CompanyNot reported | Corporation | Not reported | Not reported |
| 29 | Fly-will, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | R & W Fleet Washing Inc.Not reported | Corporation | Not reported | Not reported |
| 31 | B.m.t. Mfg. Inc.Not reported | Corporation | Not reported | Not reported |
| 32 | Mountain Natural Springs, Inc.Not reported | Corporation | Not reported | Not reported |
| 33 | Lucky Dozen Hunting Camp, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 34 | Koppy's Propane, Inc.Not reported | Corporation | Not reported | Not reported |
| 35 | Happy Days School & Day Care, Inc.Not reported | Corporation | Not reported | Not reported |
| 36 | Twin Valley Alliance Church of the Christian and Missionary AllianceNot reported | Nonprofit | Not reported | Not reported |
| 37 | P. R. R., Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Dayton Market, Inc.Not reported | Corporation | Not reported | Not reported |
| 39 | More Precious Than Gold, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | Philip C. Giarraputo, D.m.d., P.c.Not reported | Corporation | Not reported | Not reported |
| 41 | Mobile One Plus, Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | Williamstown Area Emergency Medical Services, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 43 | Williams Valley Medical GroupNot reported | Nonprofit | Not reported | Not reported |
| 44 | Carvell, George T. Foundation Inc.Not reported | Nonprofit | Not reported | Not reported |
| 45 | Williamstown-williams Township Historical SocietyNot reported | Nonprofit | Not reported | Not reported |
| 46 | Williamstown Community PrideNot reported | Nonprofit | Not reported | Not reported |
| 47 | The Williamstown United Methodist ChurchNot reported | Nonprofit | Not reported | Not reported |
| 48 | Christian CounselingNot reported | Nonprofit | Not reported | Not reported |
| 49 | Wham Precision Tools, Inc.Not reported | Corporation | Not reported | Not reported |
| 50 | H & H Disposal, Inc.Not reported | Corporation | Not reported | Not reported |