AIW, Inc.
American Bridge Company
Aycock Division of Enerfab
Baltimore Precision Door, Inc.
Baltimore Rigging Company, Inc.
Baltimore Steel Erectors, LLC
Bay Iron Works, Inc.
Bigge Crane & Rigging Company
Chereco Company, Inc.
Chesapeake Contracting Services, Inc.
Crystal Metalworks, Inc.
DRM Associates, Inc.
Eagle Steel, Inc.
East Coast Hoist, Inc.
Eastern Glazing & Fabricating Company, Inc.
Eastern Steel Constructors, Inc.
Extreme Steel, Inc.
Fortress Steel Service
Genesis Steel Services, Inc.
George Young Company
Hake Rigging Company
Hampton Manpower
Harmon, Inc.
High Steel Structures, Inc.
Hutchinson International Corporation
J. L. Erectors
JEMCO Erectors, Inc.
James River Iron, Inc.
Lehigh Valley Erectors, Inc.
Limbach Company, LLC ( Washington DC Office )
Matrix Service Industrial Contractors, Inc.
McDonough Construction Rentals ( Baltimore Office )
Mentor Dynamics, Ltd.
Metal Sales & Service, Inc.
Mid-Atlantic Precast Erectors
Morris Kreitz & Sons, Inc.
Oldcastle Precast ( Building Systems Division )
Panther Sales, Inc.
Pook, Diemont & Ohl, Inc.
Prince Construction Company, Inc.
Quality Industrial Contracting, Inc.
Riggs Distler & Company, Inc. ( Baltimore Office )
Security Vault Works, Inc.
Shared Systems Technology, Inc.
Somerset Steel Erection Company, Inc.
Stewart Ironworks
TSI / Exterior Wall Systems
The Whiting-Turner Contracting Company
Tidewater Glazing, Inc.
United Crane & Rigging, Inc.
Water Tight, Inc.

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