| 1 | A. G. Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 2 | Alle-kiski Chapter of S.p.e.b.s.q.s.a.Not reported | Nonprofit | Not reported | Not reported |
| 3 | Allegheny Cardiovascular Surgical AssociatesNot reported | Corporation | Not reported | Not reported |
| 4 | Allegheny Valley Anesthesiologists, Inc.Not reported | Corporation | Not reported | Not reported |
| 5 | The Allegheny Valley Baptist ChurchNot reported | Nonprofit | Not reported | Not reported |
| 6 | American Stationers Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 7 | Atemco, Inc.Not reported | Corporation | Not reported | Not reported |
| 8 | Auto Giant Stores, Inc.Not reported | Corporation | Not reported | Not reported |
| 9 | Balash, W. R., M.d.Not reported | Corporation | Not reported | Not reported |
| 10 | Bamonte, John A. , D. M. D.Not reported | Corporation | Not reported | Not reported |
| 11 | The Booster's Club of West Natrona, PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 12 | Bouchat Oldsmobile-cadillac-subaru Co.Not reported | Corporation | Not reported | Not reported |
| 13 | Brackenridge Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 14 | Burtner House Restoration, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 15 | Carlisle Alabama IncorporatedNot reported | Corporation | Not reported | Not reported |
| 16 | Chamber of Commerce of Harrison TownshipNot reported | Nonprofit | Not reported | Not reported |
| 17 | Colin Garage IncNot reported | Corporation | Not reported | Not reported |
| 18 | Collections Unlimited IncorporatedNot reported | Corporation | Not reported | Not reported |
| 19 | Community Library of Allegheny ValleyNot reported | Nonprofit | Not reported | Not reported |
| 20 | Easley & Rivers Acoustical Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 21 | East Deer Center CorporationNot reported | Corporation | Not reported | Not reported |
| 22 | Echowood Community Recreational Center, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 23 | Emerson Developing CorporationNot reported | Corporation | Not reported | Not reported |
| 24 | Evnray Car Service, Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Faith Lutheran Church of Natrona Heights, Pa.Not reported | Nonprofit | Not reported | Not reported |
| 26 | Farms Liquids, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | Fawn-frazer Joint Water AuthorityNot reported | Other | Not reported | Not reported |
| 28 | Firemen's CampNot reported | Nonprofit | Not reported | Not reported |
| 29 | Fredricks of Natrona Heights, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | General Press CorporationNot reported | Corporation | Not reported | Not reported |
| 31 | Good House Keeping Appliances IncNot reported | Corporation | Not reported | Not reported |
| 32 | Grace United Methodist Church of Natrona HeightsNot reported | Nonprofit | Not reported | Not reported |
| 33 | H. & E. Aviation, Inc.Not reported | Corporation | Not reported | Not reported |
| 34 | H & S Cement Products, Inc.Not reported | Corporation | Not reported | Not reported |
| 35 | Hanna, H. J. CompanyNot reported | Corporation | Not reported | Not reported |
| 36 | Harrison Hills Volunteer Fire Company, No. 4Not reported | Nonprofit | Not reported | Not reported |
| 37 | Harrison Township Water Authority, Allegheny County, PennsylvaniaNot reported | Other | Not reported | Not reported |
| 38 | Harvey Carl Development, Inc.Not reported | Corporation | Not reported | Not reported |
| 39 | Heights Manor, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | Heights Plaza Medical Arts CorpNot reported | Corporation | Not reported | Not reported |
| 41 | Heights Plaza Merchants Association IncNot reported | Nonprofit | Not reported | Not reported |
| 42 | Highland Dodge, Inc.Not reported | Corporation | Not reported | Not reported |
| 43 | Highlands Business Association Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | Hunting Hills Development CorporationNot reported | Corporation | Not reported | Not reported |
| 45 | International Funding & Investing CorporationNot reported | Corporation | Not reported | Not reported |
| 46 | Isleworth ClubNot reported | Nonprofit | Not reported | Not reported |
| 47 | J. W. S., Inc.Not reported | Corporation | Not reported | Not reported |
| 48 | Jacques & Jacques (professional Corporation)Not reported | Corporation | Not reported | Not reported |
| 49 | K. I. Beer Depot, Inc.Not reported | Corporation | Not reported | Not reported |
| 50 | Katrard Associates, Inc.Not reported | Corporation | Not reported | Not reported |