Building & civil engineering in Massachusetts
- Cape Cod Lumber Co., Inc. (H Q)
- Cape Cod Lumber Co., Inc.
- Precast Specialties Corp.
- Lymtal International, Inc
- Empyrean International, LLC
- Rex Lumber Co.
- Wentworth Holdings, Llc
- The Office Of Michael Rosenfeld Inc Architects
- L & S Industries, Inc.
- D W White Construction, Inc.
- United Process, Inc.
- Olympic Mfg. Group, Inc.
- Cleaning Management Systems, Inc
- Braman Chemical Enterprises, Inc
- Braman Chemical Co
- Reinhardt Associates Inc
- Scotty Fabricators Inc
- E.F. Shea New England Concrete Products, Inc.
- Valiant Industries, Inc
- Riddle Kuhn Architects Inc
- California Products Corp.
- Brockway Smith Co.
- Celus Fasteners Mfg., Inc.
- Columbia Metal Service Co., Inc.
- Massachusetts Control Center, Inc