P.O Box 459 * Huntingtown, MD.  20639
Office (301) 855-6224 * Fax (301) 855-2118 * Nextel (301) 440-2907
Commerical Mechanical * General Construction * HVAC * Refrigeration
Patty Soper * President
A Women Owned Minority SBA 8(a) BD SDB Certified Business

Calvert Mechanical, Inc. is a small disadvantaged, minority, woman-owned business certified with the US Small Business Admin 8(a) Program - Click here to review our .S. Small Business Administration 8(a) "BD Letter on File"

How long have we been a corporation?
What licenses do we currently hold?
What are our NAICS primary and secondary codes?
How do I get more information?

A Maryland Corporation since 1991 ...

Licenses Currently Held:
State of Maryland Construction
State of Maryland HVACR
Prince Geogre's County Refrigeration, Heating & A/C Contractor
Anne Arundel HVAC Mechanical
D.C. Refrigeration and A/C
Commonwealth of VA Class A Contractor
Fairfax County
City of Alexandria, VA
Certified CFC
Certified Welders
Certified Medical Gas

NAICS primary code is 23511.
NAICS secondary codes are: 233210, 233220, 23310,233320, 235210, 235310, 235420, 235610, 235710, 235910, 235950, 235990.

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