| 1 | A-k Disabled Veterans Home AssociationNot reported | Nonprofit | Not reported | Not reported |
| 2 | Academy of Martial Arts, Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | All Veterans of ArnoldNot reported | Nonprofit | Not reported | Not reported |
| 4 | Allegheny-kiski Fire Defense Council, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 5 | Allegheny-kiski Industrial Development CorporationNot reported | Nonprofit | Not reported | Not reported |
| 6 | Allegheny Kiski Valley Shoe Service AssociationNot reported | Nonprofit | Not reported | Not reported |
| 7 | Allied Theatres CorporationNot reported | Corporation | Not reported | Not reported |
| 8 | Altman's Auto & Marine Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 9 | American Slovak Citizens ClubNot reported | Nonprofit | Not reported | Not reported |
| 10 | American Slovak Citizens Society of New Kensington Pennsylvania (the)Not reported | Nonprofit | Not reported | Not reported |
| 11 | Amicus ClubNot reported | Nonprofit | Not reported | Not reported |
| 12 | Ar-ken Plumbing and Home Supplies, Inc.Not reported | Corporation | Not reported | Not reported |
| 13 | Architectural and Aluminum Specialties Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 14 | Arnold American Legion Post 684 Holding CorporationNot reported | Nonprofit | Not reported | Not reported |
| 15 | Arnold Area ReactNot reported | Nonprofit | Not reported | Not reported |
| 16 | Arnold Athletic AssociationNot reported | Nonprofit | Not reported | Not reported |
| 17 | Arnold Boat and Yacht ClubNot reported | Nonprofit | Not reported | Not reported |
| 18 | Arnold Boxing ClubNot reported | Nonprofit | Not reported | Not reported |
| 19 | Arnold Business Men's AssociationNot reported | Nonprofit | Not reported | Not reported |
| 20 | The Arnold Drug Store, Inc.Not reported | Corporation | Not reported | Not reported |
| 21 | Arnold Gold Star MothersNot reported | Nonprofit | Not reported | Not reported |
| 22 | Arnold Methodist ChurchNot reported | Nonprofit | Not reported | Not reported |
| 23 | Arnold Post 684Not reported | Nonprofit | Not reported | Not reported |
| 24 | Arnold Veterans' ClubNot reported | Nonprofit | Not reported | Not reported |
| 25 | The Arnold Volunteer Fire DepartmentNot reported | Nonprofit | Not reported | Not reported |
| 26 | Auxiliary Police of Arnold, Penna.Not reported | Nonprofit | Not reported | Not reported |
| 27 | Avco Knitting Mills, Inc.Not reported | Corporation | Not reported | Not reported |
| 28 | B. I. T. Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | Bethlehem Temple of the Apostolic Faith of New Kensington, Pa.Not reported | Nonprofit | Not reported | Not reported |
| 30 | Carlisle ClubNot reported | Nonprofit | Not reported | Not reported |
| 31 | Central Office Products, Inc.Not reported | Corporation | Not reported | Not reported |
| 32 | Church of the Nazarene of New Kensington PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 33 | Citizens Volunteer Fire Company, No. 1 of ArnoldNot reported | Nonprofit | Not reported | Not reported |
| 34 | City Bottling Co. of New Kensington, Pa.Not reported | Corporation | Not reported | Not reported |
| 35 | City Land Co. of New Kensington, Pa., Inc.Not reported | Corporation | Not reported | Not reported |
| 36 | Club SableNot reported | Nonprofit | Not reported | Not reported |
| 37 | Economy Auto Repair, Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Fpi Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 39 | John Fedan CoNot reported | Corporation | Not reported | Not reported |
| 40 | Fratellanza Crottese & Friends of America Lodge No 208 Arnold PaNot reported | Nonprofit | Not reported | Not reported |
| 41 | G G Land Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | General Theatres CorporationNot reported | Corporation | Not reported | Not reported |
| 43 | Geno and Gary, Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | Duke George Land Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | Duke George Pontiac, Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Golden Crust Food Products, IncorporatedNot reported | Corporation | Not reported | Not reported |
| 47 | Golden Rule Service Bureau, Inc.Not reported | Corporation | Not reported | Not reported |
| 48 | Good Housekeepers Laundramat Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | Real Life Church, Assemblies of GodNot reported | Nonprofit | Not reported | Not reported |
| 50 | John Huss Evangelical Lutheran CongregationNot reported | Nonprofit | Not reported | Not reported |