| 50 | 1972 | Alger Electric |
| 50 | 1972 | HMS Insurance Associates, Inc. |
| 50 | 1972 | Precision Concrete Const. Co., Inc. |
| 30 | 1992 | Centerline Construction Copmany |
| 30 | 1992 | Harkins Builders, Inc. |
| 25 | 1997 | A & I, Inc. |
| 25 | 1997 | Bollinger Bros |
| 25 | 1997 | Chesapeake Employers’ Insurance Company |
| 25 | 1997 | Clark Construction Group, LLC |
| 25 | 1997 | Cole Roofing Company, Inc. |
| 25 | 1997 | Consolidated Insurance + Risk Management |
| 25 | 1997 | HUB International Mid-Atlantic/Surety Services, LLC |
| 25 | 1997 | L. F. Mahoney, Inc. |
| 25 | 1997 | Mine Branch Interior Finishes, Inc. |
| 25 | 1997 | Modu Tech |
| 25 | 1997 | Roesedale Roofing Co., Inc. |
| 20 | 2002 | Bell Co., LLC |
| 20 | 2002 | Bettinger West Interiors, Inc. |
| 20 | 2002 | C & W Construction Company |
| 20 | 2002 | Chesapeake Contracting Group, Inc. |
| 20 | 2002 | Urban N. Zink Contractor, Inc. |
| 20 | 2002 | Walter Brown Roofing, LLC |
