| Rank | Companies |
| 1 | Vertex |
| 2 | GUARD Insurance Group |
| 3 | Vanguard Group |
| 4 | D&E Communications |
| 5 | Dun & Bradstreet |
| 6 | Phillips Group |
| 7 | Lutron Electronics Company |
| 8 | Centocor |
| 9 | HealthAmerica Pennsylvania |
| 10 | Bank of Lancaster County |
| 11 | American Infrastructure |
| 12 | S&T Bank |
| 13 | Woodloch Pines Resort |
| 14 | East Penn Manufacturing Company |
| 15 | Horst Group |
| 16 | Willow Valley Retirement Communities |
| 17 | Pennsylvania State Employees Credit Union |
| 18 | Medrad |
| 19 | L. Robert Kimball & Associates |
| 20 | Brethren Village |
| 21 | Lancaster Laboratories |
| 22 | Clipper Magazine |
| 23 | Fulton Bank |
| 24 | Harley-Davidson Motor Company |
| 25 | Independence Blue Cross |
| 26 | McClure Company |
| 27 | Electronic Data Systems Corporation |
| 28 | Deloitte & Touche |
| 29 | High Industries |
| 30 | Buchart Horn/Basco Associates |
| 31 | Wenger's Feed Mill |
| 32 | Country Meadows Retirement Communities |
| 33 | PMA Insurance Group |
| 34 | Messiah Home t/a Messiah Village |
| 35 | Hershey Entertainment & Resorts |
| 36 | Keystone Health Plan Central |
| 37 | Concurrent Technologies Corporation |
| 38 | Hamot Health Foundation |
| 39 | Harrisburg Hotel Corporation, d.b.a. Hilton Harrisburg & Towers |
| 40 | H.T. Lyons |
| 41 | CoreSource |
| 42 | Harleysville Insurance Company |
| 43 | Pride Mobility Products Corporation |
| 44 | Air Products and Chemicals |
| 45 | Keystone Automotive Operations |
| 46 | SCT Corporation |
| 47 | Binney & Smith |
| 48 | Novinger Group |
| 49 | Weiler Corporation |
| 50 | Penn National Insurance |