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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
5827 Allentown Way
Temple Hills, MD 20748
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- (240) 546-0318
4601 Presidents Drive
Suite 365
Lanham, Maryland 20706
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- (301) 881-2545
6325 Woodside Court Suite 310
Colulmbia, Maryland 21046
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- 4102909680
