| Marzucco Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| American Boating Association of the Middle Atlantic States, Inc.Not reported | Corporation | Not reported | Not reported |
| Angelo's Pizza, Inc.Not reported | Corporation | Not reported | Not reported |
| John H. Ansley, Inc.Not reported | Corporation | Not reported | Not reported |
| Aquarius Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| Auto Parks IncorporatedNot reported | Corporation | Not reported | Not reported |
| Belar Electronics Laboratory, Inc.Not reported | Corporation | Not reported | Not reported |
| Bell Science Associated Inc.Not reported | Corporation | Not reported | Not reported |
| H.b. Tennis Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| Business Air Systems, Inc.Not reported | Corporation | Not reported | Not reported |
| Cam-tronics, Inc.Not reported | Corporation | Not reported | Not reported |
| Twining F. Campbell M.d. and AssociatesNot reported | Corporation | Not reported | Not reported |
| Carson Construction CompanyNot reported | Corporation | Not reported | Not reported |
| Carson-pettit of Devon CompanyNot reported | Corporation | Not reported | Not reported |
| The Christian Community of PennsylvaniaNot reported | Nonprofit | Not reported | Not reported |
| Coldawn Recreation, Inc.Not reported | Corporation | Not reported | Not reported |
| Conestoga Fleets, Inc.Not reported | Corporation | Not reported | Not reported |
| Congregation of Jesus Crucified, Inc.Not reported | Nonprofit | Not reported | Not reported |
| Connelly Vending Inc.Not reported | Corporation | Not reported | Not reported |
| W. Michael Connelly, Inc.Not reported | Corporation | Not reported | Not reported |
| Credit Management CorporationNot reported | Corporation | Not reported | Not reported |
| Boisclair Inc.Not reported | Corporation | Not reported | Not reported |
| Cutler Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| Devon Associates IncNot reported | Corporation | Not reported | Not reported |
| Devon Building Supply Co.Not reported | Corporation | Not reported | Not reported |
| Devon Cafe IncNot reported | Corporation | Not reported | Not reported |
| Devon Enterprises, Inc.Not reported | Corporation | Not reported | Not reported |
| Dgi Business Systems, Inc.Not reported | Corporation | Not reported | Not reported |
| Devon Holding Company, Inc.Not reported | Corporation | Not reported | Not reported |
| Devon Horse Show and Country Fair, Inc.Not reported | Nonprofit | Not reported | Not reported |
| Devon Management Services, Inc.Not reported | Corporation | Not reported | Not reported |
| Devon Medical Building, Inc.Not reported | Corporation | Not reported | Not reported |
| Devon Products CorporationNot reported | Corporation | Not reported | Not reported |
| Devon Radio & Electric Company IncNot reported | Corporation | Not reported | Not reported |
| Devon Realty, Inc.Not reported | Corporation | Not reported | Not reported |
| Devon Swim ClubNot reported | Nonprofit | Not reported | Not reported |
| Devon Treasures, Inc.Not reported | Corporation | Not reported | Not reported |
| Disimone Imports, Inc.Not reported | Corporation | Not reported | Not reported |
| Donoghue, D. C. Co.Not reported | Corporation | Not reported | Not reported |
| Dubee Ii, Inc.Not reported | Corporation | Not reported | Not reported |
| Duralith Publishing Company, Inc.Not reported | Corporation | Not reported | Not reported |
| Easttown Apothecaries, Inc.Not reported | Corporation | Not reported | Not reported |
| Easttown Technical Co.Not reported | Corporation | Not reported | Not reported |
| Edrondale, Inc.Not reported | Corporation | Not reported | Not reported |
| Electronic Component Consultants, Inc.Not reported | Corporation | Not reported | Not reported |
| The Elm CorporationNot reported | Corporation | Not reported | Not reported |
| Engineering & Mechanical Associates, Inc.Not reported | Corporation | Not reported | Not reported |
| Enterprise Appraisal CoNot reported | Corporation | Not reported | Not reported |
| Evalulogics, Inc.Not reported | Corporation | Not reported | Not reported |
| Evans-cunningham, Inc.Not reported | Corporation | Not reported | Not reported |