Black & Veatch - Gaithersburg, MD
Service Company
Water & waste water treatment, & architectural service

Frederick Ward Associates - Bel Air, MD
Service Company
Architects, Engineers, Surveyors

Hardesty & Hanover, LLC - Annapolis, MD
Service Company
Transportation consulting & infrastructure engineering services for fixed & movable bridges, highways, & rail projects. Services include civil engineering, highway engineering, permitting, structural engineering, mechanical engineering, electrical engineering, seismic engineering, geotechnical engineering, hydraulics & scour engineering, biennial inspections & inspections. Other services include computer services, control studies of movable bridges, electrical claim mediation services, design review assignments, electrical construction inspection & movable bridge imbalance measurements.

The Robert B. Balter Company - Owings Mills, MD
Service Company
Service

Froehling & Robertson, Inc. - Baltimore, MD
Service Company
Testing Laboratories, Geotechnical Engineers, Environmental Consulting Service

Geo-Technology Associates, Inc. - Bel Air, MD
Service Company
Geotechnical Engineering Service

Chesapeake Geotechnical Consultants, Inc. - Towson, MD
Service Company
Engineering Service