Contractor permit directory

Contractors observed in Maryland county permit records, grouped from public filings. Our observation is not complete: not every filing names a contractor, so a firm's real activity is almost always greater than what appears here.

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DENNISON PLUMBING & HEATING INC. Plumbing/Frederick County, Howard County 26 permits/to May 2026
ELITE PLUMBING & HOME SERVICES Plumbing/Howard County 26 permits/to Aug 2026
MATTHEW BROWN Plumbing/Frederick County 26 permits/to Jul 2026
PMC SERVICE LLC Plumbing/Anne Arundel County, Frederick County, Howard County 26 permits/to Jul 2026
DYNAMIC PLUMBING & HEATING Plumbing/Anne Arundel County 25 permits/to Aug 2026
HOWARD COUNTY PLUMBING SERVICE LLC Plumbing/Howard County 25 permits/to Jul 2026
TL BROWN CONTRACTOR LLC Plumbing/Anne Arundel County, Howard County 25 permits/to Aug 2026
DUN-RITE PLUMBING & HEATING Plumbing/Frederick County, Howard County 24 permits/to Aug 2026
Family Plumbing Services LLC Plumbing/Frederick County, Howard County 24 permits/to Aug 2026
LRT PLUMBING SERVICES LLC Plumbing/Howard County 24 permits/to Aug 2026
POHLMAN PLUMBING Plumbing/Anne Arundel County, Howard County 24 permits/to Aug 2026
T & R PLUMBING AND HEATING, INC Plumbing/Howard County 24 permits/to Aug 2026
WL STATON PLUMBING HEATING AND COOLING, LLC Plumbing/Howard County 24 permits/to Aug 2026
MAGNOLIA PLUMBING, INC. Plumbing/Anne Arundel County, Howard County 23 permits/to Jul 2026
RE ROBERTSON PLUMBING & HEATING Plumbing/Anne Arundel County, Howard County 23 permits/to Aug 2026
RUTHERFORD PLUMBING AND HEATING Plumbing/Anne Arundel County, Howard County 23 permits/to Aug 2026
AKMATTERO INC Plumbing/Anne Arundel County, Howard County 22 permits/to Aug 2026
DRAIN RELIEF PLUMBING LLC Plumbing/Frederick County, Howard County 22 permits/to Dec 2025
JAMES R METTEE Plumbing/Frederick County 22 permits/to Feb 2026
NAUMANN PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 22 permits/to Aug 2026
S & A PLUMBING SERVICE INC Plumbing/Frederick County, Howard County 22 permits/to Jan 2026
THE JOHN E RUTH COMPANY Plumbing/Howard County 22 permits/to Apr 2026
TRI COUNTY PUMP SERVICE Plumbing/Frederick County 22 permits/to Aug 2026
ACH GROUP LLC DBA BASEMENT MASTERS Plumbing/Howard County 21 permits/to Sep 2026
GREER WATERWORKS, INC. Plumbing/Anne Arundel County 21 permits/to Sep 2026
J.B. HUNT TRANSPORT, INC Plumbing/Howard County 21 permits/to Aug 2026
KELLY PLUMBING SERVICES, INC. Plumbing/Anne Arundel County, Howard County 21 permits/to Aug 2026
Plumb/Gas 20020019631 Plumbing/Howard County 21 permits/to Oct 2024
REDLINE MECHANICAL SERVICES LLC Plumbing/Howard County 21 permits/to Aug 2026
Ricky A Cline Plumbing/Frederick County 21 permits/to Aug 2026
TERRY ENSOR Plumbing/Frederick County 21 permits/to May 2026
AQUEDUCT PLUMBING SERVICES LLC Plumbing/Howard County 20 permits/to Jul 2026
A R CROWELL PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 20 permits/to May 2026
ATLANTIC BLUE WATER SERVICES Plumbing/Anne Arundel County, Frederick County 20 permits/to Jul 2026
BEST HEATING & AIR CONDITION Plumbing/Frederick County 20 permits/to May 2026
FOGLES SEPTIC CLEAN, INC Plumbing/Frederick County 20 permits/to Aug 2026
Tejada & Sons Plumbing and Gas Services LLC Plumbing/Frederick County, Howard County 20 permits/to Mar 2026
ANDREW SHAW Plumbing/Frederick County 19 permits/to Aug 2026
C.A. KAMM CORP., INC Plumbing/Anne Arundel County 19 permits/to Aug 2026
CHESAPEAKE PLUMBING, INC. Plumbing/Anne Arundel County, Howard County 19 permits/to Sep 2026
ELITE PLUMBING & HOME SVCS LLC Plumbing/Anne Arundel County 19 permits/to Sep 2026
FAMILY FIRE SERVICE AND PLUMBING LLC Plumbing/Howard County 19 permits/to Jan 2026
Northeast Plumbing LLC Plumbing/Frederick County, Howard County 19 permits/to Aug 2026
Plumb/Gas 20020008539 Plumbing/Howard County 19 permits/to Aug 2024
RIPPLE PLUMBING Plumbing/Anne Arundel County, Howard County 19 permits/to Jun 2026
RS PLUMBING LLC Plumbing/Anne Arundel County, Howard County 19 permits/to Sep 2026
Alan D Givens Plumbing/Frederick County 18 permits/to Sep 2026
arco mechanical services LLC Plumbing/Frederick County 18 permits/to Aug 2026
CHUCK SUSSAN PLUMBING SERVICES Plumbing/Anne Arundel County 18 permits/to Sep 2026
FRAZIERS MECHANICAL SERVICES, LLC Plumbing/Frederick County, Howard County 18 permits/to Aug 2026

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Source: county permit records. Updated weekly.