| 1 | A-g-p Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| 2 | A. L. and G. Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | Action Planning, Inc.Not reported | Corporation | Not reported | Not reported |
| 4 | Advanced Technology Applications CorporationNot reported | Corporation | Not reported | Not reported |
| 5 | Quail Crossing Homes, Ltd.Not reported | Corporation | Not reported | Not reported |
| 6 | American Registrar CorporationNot reported | Corporation | Not reported | Not reported |
| 7 | American Trap & Skeet Supply, Inc.Not reported | Corporation | Not reported | Not reported |
| 8 | Baynton CorporationNot reported | Corporation | Not reported | Not reported |
| 9 | Bergeron Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| 10 | Berwyn Hardware, Inc.Not reported | Corporation | Not reported | Not reported |
| 11 | Berwyn Lawn Mower Shop, Inc.Not reported | Corporation | Not reported | Not reported |
| 12 | Berwyn Tavern Inc.Not reported | Corporation | Not reported | Not reported |
| 13 | Berwyn Volunteer Firemen's Relief AssociationNot reported | Nonprofit | Not reported | Not reported |
| 14 | Bryn Mawr Builders IncNot reported | Corporation | Not reported | Not reported |
| 15 | Brynwyd IncNot reported | Corporation | Not reported | Not reported |
| 16 | Burnick and Walton Sales, Inc.Not reported | Corporation | Not reported | Not reported |
| 17 | Vernon E. Callowa, Inc.Not reported | Corporation | Not reported | Not reported |
| 18 | Capitol Computer Service CorporationNot reported | Corporation | Not reported | Not reported |
| 19 | Cary, Platt and Calhoun, Inc.Not reported | Corporation | Not reported | Not reported |
| 20 | Ches-mer Excavators, Inc.Not reported | Corporation | Not reported | Not reported |
| 21 | The Chesapeake Restaurant, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Chesco Builders Inc.Not reported | Corporation | Not reported | Not reported |
| 23 | Chester County Land Corp.Not reported | Corporation | Not reported | Not reported |
| 24 | Citizens Civic and Social Club of Berwyn PaNot reported | Nonprofit | Not reported | Not reported |
| 25 | Citizens Committee for Ethical InsuranceNot reported | Nonprofit | Not reported | Not reported |
| 26 | Aries, Ltd.Not reported | Corporation | Not reported | Not reported |
| 27 | Computer Seminar Associates Inc.Not reported | Corporation | Not reported | Not reported |
| 28 | Computer Typesetting CorporationNot reported | Corporation | Not reported | Not reported |
| 29 | Conestoga Furniture Shop, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | Conestoga Management CorporationNot reported | Corporation | Not reported | Not reported |
| 31 | The Conestoga-woodlea Civic AssociationNot reported | Nonprofit | Not reported | Not reported |
| 32 | Conwall CorporationNot reported | Corporation | Not reported | Not reported |
| 33 | Charlotte Cushman FoundationNot reported | Nonprofit | Not reported | Not reported |
| 34 | Daemion Counseling CenterNot reported | Nonprofit | Not reported | Not reported |
| 35 | Daylesford Shopping Center IncNot reported | Corporation | Not reported | Not reported |
| 36 | Daylesford Valley Country Club IncNot reported | Corporation | Not reported | Not reported |
| 37 | Warren R De Long IncNot reported | Corporation | Not reported | Not reported |
| 38 | Delaware Valley Aluminum CorporationNot reported | Corporation | Not reported | Not reported |
| 39 | Delaware Valley German Shepherd Dog ClubNot reported | Nonprofit | Not reported | Not reported |
| 40 | Delchester Paving CompanyNot reported | Corporation | Not reported | Not reported |
| 41 | Devon Developers & Builders IncNot reported | Corporation | Not reported | Not reported |
| 42 | Devon-strafford Little League, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 43 | Diamond Hope CorporationNot reported | Corporation | Not reported | Not reported |
| 44 | Dotts, Frederick A. Associates; Engineers - Constructors, Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | Dotts, Frederick A. and Associates Professional Engineers, Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Doyle Holding CompanyNot reported | Corporation | Not reported | Not reported |
| 47 | Doyle and Mcdonnell IncNot reported | Corporation | Not reported | Not reported |
| 48 | Wm. H. Doyle, Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | Jimmy Duffy & Sons IncNot reported | Corporation | Not reported | Not reported |
| 50 | Eastern Pennsylvania Rugby Union, Inc.Not reported | Nonprofit | Not reported | Not reported |