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Duffield Associates, Inc.
Bel Air, MD 21015
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Our Story
Our main lines of business include: Landscape Architects, M.W.B.E.--Testing Laboratories, Stormwater Management, Design Build--Architects & Engineers, M.W.B.E.--Retaining Walls.
Duffield Associates, Inc. has been listed in the Blue Book since 2018.
What We Do
- Design Build--Architects & Engineers
- Landscape Architects
- M.W.B.E.--Retaining Walls
- M.W.B.E.--Testing Laboratories
- Stormwater Management
Regions & Counties Serviced
- Washington D.C.
Maryland 1
- Harford
Our CSI Codes
01 57 23 - Temporary Storm Water Pollution Control
33 06 40.13 - Storm Drainage Schedule
33 44 19 - Utility Storm Water Treatment
33 44 19.13 - In-Line Utility Storm Water Filters
33 44 19.16 - Catch Basin Insert Utility Storm Water Filters
33 44 19.19 - Utility Oil and Gas Separators
