- KBR CORPORATION
- CARMEUSE LIME & STONE
- WESTMINSTER CANTERBURY of WINCHESTER
- HAYES CONSTRUCTION & KOHLER HOMES
- GREENWAY ENGINEERING
- MAKAR COMPANY
- VALLEY HEALTH
- WINCHESTER CITY SCHOOLS
- FREDERICK COUNTY SANITATION AUTHORITY
- OPEN DOOR BAPTIST CHURCH
- CONSTRUCTION MANAGEMENT INC
- TW FRIERSON CONTRACTORS INC
- LANTZ CONSTRUCTION COMPANY of WINCHESTER
- FOCUS CONSTRUCTION
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