| 1 | Abc Building CorporationNot reported | Corporation | Not reported | Not reported |
| 2 | Abls,inc.Not reported | Corporation | Not reported | Not reported |
| 3 | A Da Ne Lo a Da Nu DoNot reported | Nonprofit | Not reported | Not reported |
| 4 | Agr, Inc.Not reported | Corporation | Not reported | Not reported |
| 5 | Ags Tire Service Inc.Not reported | Corporation | Not reported | Not reported |
| 6 | York Auto Group, Inc.Not reported | Corporation | Not reported | Not reported |
| 7 | A J Truck Leasing, Inc.Not reported | Corporation | Not reported | Not reported |
| 8 | A. S. E., Inc.Not reported | Corporation | Not reported | Not reported |
| 9 | A. T. & M, Inc.Not reported | Corporation | Not reported | Not reported |
| 10 | A & T Tire Rebuilding Service IncNot reported | Corporation | Not reported | Not reported |
| 11 | Nro, Inc.Not reported | Corporation | Not reported | Not reported |
| 12 | Aatco Tire Co,. Inc.Not reported | Corporation | Not reported | Not reported |
| 13 | Bak Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 14 | I. B. Abel, Inc.Not reported | Corporation | Not reported | Not reported |
| 15 | Aberdeen Products, Inc.Not reported | Corporation | Not reported | Not reported |
| 16 | Acbar, Inc.Not reported | Corporation | Not reported | Not reported |
| 17 | Acceptors, Inc.Not reported | Corporation | Not reported | Not reported |
| 18 | Accurate Hearing Aid Centers, Inc.Not reported | Corporation | Not reported | Not reported |
| 19 | Acomb Foundation (the)Not reported | Nonprofit | Not reported | Not reported |
| 20 | Acosta Mining CompanyNot reported | Corporation | Not reported | Not reported |
| 21 | Action Publications, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Adamco Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | Adams Associates IncNot reported | Corporation | Not reported | Not reported |
| 24 | The Adept CorporationNot reported | Corporation | Not reported | Not reported |
| 25 | Adhesives Equipment CorporationNot reported | Corporation | Not reported | Not reported |
| 26 | Adman, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | Advance Building Components CorporationNot reported | Corporation | Not reported | Not reported |
| 28 | Advance Printing Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | Advent Lutheran Church of York, PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| 30 | Advertising Club of YorkNot reported | Nonprofit | Not reported | Not reported |
| 31 | Advertising Promotions IncNot reported | Corporation | Not reported | Not reported |
| 32 | Advisory Board of the York Center of the Pennsylvania State UniversityNot reported | Nonprofit | Not reported | Not reported |
| 33 | The Agape ChapelNot reported | Nonprofit | Not reported | Not reported |
| 34 | Agricultural Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 35 | Ahrens E F & SonsNot reported | Corporation | Not reported | Not reported |
| 36 | Aircraft Tool & Engineering IncNot reported | Corporation | Not reported | Not reported |
| 37 | Ajay Builders, Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Twelve and 12 ClubNot reported | Nonprofit | Not reported | Not reported |
| 39 | Aldersgate ChurchNot reported | Nonprofit | Not reported | Not reported |
| 40 | All Boro Trucking Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 41 | All Purpose Concentrates Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | James L. Ksenich Inc.Not reported | Corporation | Not reported | Not reported |
| 43 | Hjkay, Inc.Not reported | Corporation | Not reported | Not reported |
| 44 | L J Allen CoNot reported | Corporation | Not reported | Not reported |
| 45 | T & J Allen, Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Alliance Service Plan Inc. of Central New YorkNot reported | Corporation | Not reported | Not reported |
| 47 | Allied Appraisal CompanyNot reported | Corporation | Not reported | Not reported |
| 48 | Allied Cigar CorporationNot reported | Corporation | Not reported | Not reported |
| 49 | Allied Photographers IncNot reported | Corporation | Not reported | Not reported |
| 50 | Alloy Rods Independent Employees AssociationNot reported | Nonprofit | Not reported | Not reported |