| 1 | A and B Construction Inc.Not reported | Corporation | Not reported | Not reported |
| 2 | Abernethy's Auto Salvage, Inc.Not reported | Corporation | Not reported | Not reported |
| 3 | Aid Investments, Inc.Not reported | Corporation | Not reported | Not reported |
| 4 | American Mushroom InstituteNot reported | Nonprofit | Not reported | Not reported |
| 5 | Avon Green Inn, Inc.Not reported | Corporation | Not reported | Not reported |
| 6 | Avon Green Mushroom Co., Ltd.Not reported | Corporation | Not reported | Not reported |
| 7 | The Avon-grove Optimist ClubNot reported | Nonprofit | Not reported | Not reported |
| 8 | Avon Lake ClubNot reported | Nonprofit | Not reported | Not reported |
| 9 | Avondale Borough Sewer AuthorityNot reported | Other | Not reported | Not reported |
| 10 | Avondale Civic AssociationNot reported | Nonprofit | Not reported | Not reported |
| 11 | Avondale Church of ChristNot reported | Nonprofit | Not reported | Not reported |
| 12 | The Avondale Fire Company No 1Not reported | Nonprofit | Not reported | Not reported |
| 13 | Avondale Industries, Inc.Not reported | Corporation | Not reported | Not reported |
| 14 | Avondale Machine Products, Inc.Not reported | Corporation | Not reported | Not reported |
| 15 | Big Elk Pointer and Setter ClubNot reported | Nonprofit | Not reported | Not reported |
| 16 | Broad Run Apartments, Inc.Not reported | Corporation | Not reported | Not reported |
| 17 | Chester County Mushroom Sales CorporationNot reported | Corporation | Not reported | Not reported |
| 18 | J. R. Coldiron & Sons, Inc.Not reported | Corporation | Not reported | Not reported |
| 19 | Concerned Parents KindergartenNot reported | Nonprofit | Not reported | Not reported |
| 20 | William H Corby IncNot reported | Corporation | Not reported | Not reported |
| 21 | Davidson Oil Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 22 | Dicecco Mushroom Co.Not reported | Corporation | Not reported | Not reported |
| 23 | Embassy Inn, Inc.Not reported | Corporation | Not reported | Not reported |
| 24 | Frebro Inc.Not reported | Corporation | Not reported | Not reported |
| 25 | Green Valley Fresh Produce, Inc.Not reported | Corporation | Not reported | Not reported |
| 26 | Hilltop Motor Sales, Inc.Not reported | Corporation | Not reported | Not reported |
| 27 | Hodge Mushrooms, Inc.Not reported | Corporation | Not reported | Not reported |
| 28 | Interstate Mushroom Company, Inc.Not reported | Corporation | Not reported | Not reported |
| 29 | H. L. Jones, Inc.Not reported | Corporation | Not reported | Not reported |
| 30 | Kaolin Services, Inc.Not reported | Corporation | Not reported | Not reported |
| 31 | Kennett Trap Shooters AssociationNot reported | Nonprofit | Not reported | Not reported |
| 32 | Thomas E. Kunkel, Inc.Not reported | Corporation | Not reported | Not reported |
| 33 | Edward M. Lafferty, Inc.Not reported | Corporation | Not reported | Not reported |
| 34 | Lewoka Sportsman ClubNot reported | Nonprofit | Not reported | Not reported |
| 35 | Lions Club of Avon Grove, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 36 | Larry Manas IncNot reported | Corporation | Not reported | Not reported |
| 37 | Moon-glo Mushrooms, Inc.Not reported | Corporation | Not reported | Not reported |
| 38 | Mushroom Suppliers League, Inc.Not reported | Nonprofit | Not reported | Not reported |
| 39 | New Garden Distributors, Inc.Not reported | Corporation | Not reported | Not reported |
| 40 | New Garden Farms, Inc.Not reported | Corporation | Not reported | Not reported |
| 41 | Oxford Estates Inc.Not reported | Corporation | Not reported | Not reported |
| 42 | Pacific Gas CoNot reported | Corporation | Not reported | Not reported |
| 43 | Pannell Mfg. Corp.Not reported | Corporation | Not reported | Not reported |
| 44 | Pia & Jones, Inc.Not reported | Corporation | Not reported | Not reported |
| 45 | Eugene Powers Inc.Not reported | Corporation | Not reported | Not reported |
| 46 | Pratola Brothers, Inc.Not reported | Corporation | Not reported | Not reported |
| 47 | R.k.r. Mushroom Farms, Inc.Not reported | Corporation | Not reported | Not reported |
| 48 | Shangri-la Sewer Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 49 | Shangri-la Water Co., Inc.Not reported | Corporation | Not reported | Not reported |
| 50 | Shellhorn & Hill IncNot reported | Corporation | Not reported | Not reported |