Construction
Charles P. Johnson & Associates, Inc. (CPJ) is a full-service civil engineering firm providing the highest quality Land Planning, Civil and Environmental Engineering, and Surveying Services.
1751 Elton Road
Suite 300
Silver Spring, MD 20903
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- 1-301-434-7000
4592 Beech Road
Temple Hills, MD 20748
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- (301) 440-6056
10977 Guilford Road
Annapolis Junction, MD 20701
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- (410) 880-3055
1018 7th Street, S.E.
Washington, DC 20003
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- (202) 547-7979
8302 Trumps Hill Road
Upper Marlboro, Maryland 20772
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- 2403048293
4485 Forbes Blvd
Lanham, MD 20706
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- (301) 957-5282
7103 Marius Court
Lanham, MD 20706
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- 301-760-7096
