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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GLOREM LLC Plumbing/Howard County 18 permits/to Aug 2026
JAMES PLUMBING LLC DBA OASYS CONTRACTING LLC Plumbing/Howard County 18 permits/to Jul 2026
Morgan Run Services LLC Plumbing/Frederick County, Howard County 18 permits/to Feb 2026
N&E PLUMBING LLC Plumbing/Anne Arundel County, Frederick County, Howard County 18 permits/to Aug 2026
NO DRIP PLUMBING Plumbing/Anne Arundel County, Howard County 18 permits/to Jul 2026
R J RENNER PLUMBING Plumbing/Frederick County 18 permits/to Sep 2026
ROBERT A METZ Plumbing/Frederick County 18 permits/to Jul 2026
ROBERT G BOOKHULTZ PLUMBING Plumbing/Howard County 18 permits/to Jun 2026
STILWELL PLUMBING INC Plumbing/Anne Arundel County, Frederick County, Howard County 18 permits/to Aug 2026
YAQI CONSTRUCTION LLC Plumbing/Anne Arundel County, Frederick County, Howard County 18 permits/to Aug 2026
A & A CONSTRUCTION & UTILITIES Plumbing/Anne Arundel County 17 permits/to Aug 2026
DION V WAUGH Plumbing/Frederick County 17 permits/to Nov 2025
FRIEDEL CONTRACTING Plumbing/Anne Arundel County, Frederick County, Howard County 17 permits/to Aug 2026
GOLDS CUSTOM HOMES AND REMODELING Plumbing/Frederick County, Howard County 17 permits/to Jun 2025
KELLER BROTHERS INC Plumbing/Frederick County, Howard County 17 permits/to Aug 2026
Negley's Well Drilling Inc. Plumbing/Frederick County 17 permits/to Aug 2026
Nisell plumbing and heating inc Plumbing/Howard County 17 permits/to Aug 2026
TC PLUMBING LLC Plumbing/Howard County 17 permits/to Aug 2026
ACCURATE PLUMBING & HEATING CO Plumbing/Anne Arundel County, Frederick County, Howard County 16 permits/to Jun 2026
APEX PLUMBING Plumbing/Howard County 16 permits/to Aug 2026
BLACKSTONE PLUMBING AND ELECTRIC Plumbing/Howard County 16 permits/to Sep 2026
DELMAR PLUMBING, LLC Plumbing/Anne Arundel County, Howard County 16 permits/to Sep 2026
E&G PLUMBING LLC Plumbing/Howard County 16 permits/to Oct 2024
ERIC S SMITH Plumbing/Frederick County 16 permits/to Jan 2026
JR THOMAS F HARNEY Plumbing/Frederick County 16 permits/to Jul 2026
K.H. PLUMBING, INC. Plumbing/Frederick County, Howard County 16 permits/to Mar 2026
Markool Heating & Cooling LLC Plumbing/Frederick County, Howard County 16 permits/to Aug 2024
NO LIMIT PLUMBING SERVICE Plumbing/Anne Arundel County, Frederick County, Howard County 16 permits/to Jul 2026
PROLINE PLUMBING, LLC Plumbing/Anne Arundel County, Howard County 16 permits/to May 2026
ROD'S TANKLESS SOLUTIONS LLC Plumbing/Anne Arundel County, Frederick County, Howard County 16 permits/to May 2026
RUSTY A BURDETTE Plumbing/Frederick County 16 permits/to Jun 2026
WILLIAM E STARNER, JR. Plumbing/Frederick County 16 permits/to Apr 2026
W.L. STATON PLUMBING HEATING AND COOLING, LLC Plumbing/Howard County 16 permits/to Aug 2024
ABBOTT BROTHERS PLUMBING Plumbing/Howard County 15 permits/to Jul 2026
AT PLUMBING AND GAS FITTING Plumbing/Frederick County, Howard County 15 permits/to Apr 2026
clean line plumbing llc Plumbing/Anne Arundel County, Frederick County, Howard County 15 permits/to Sep 2026
Do-It Plumbing & Heating LLC Plumbing/Frederick County, Howard County 15 permits/to Nov 2025
Homes Style Home Improvement Plumbing/Frederick County 15 permits/to May 2026
HOWARD P TAYLOR Plumbing/Frederick County 15 permits/to May 2026
JEFF WELCH PLUMBING, INC. Plumbing/Howard County 15 permits/to Aug 2026
MAINSTREET MAINTENANCE LLC Plumbing/Howard County 15 permits/to Aug 2026
PATAPSCO PLUMBING LLC Plumbing/Anne Arundel County, Howard County 15 permits/to Aug 2026
PITTS ELITE CONTRACTRING LLC Plumbing/Frederick County 15 permits/to Jan 2026
SB Plumbing, LLC. Plumbing/Frederick County, Howard County 15 permits/to Aug 2026
AMIRS PLUMBING Plumbing/Anne Arundel County, Howard County 14 permits/to Jun 2026
BFMD, LLC Plumbing/Howard County 14 permits/to Aug 2026
BFMD,LLC/BURGEMEISTER-BELL Plumbing/Anne Arundel County 14 permits/to Aug 2026
BROOKMAN PLUMBING LLC Plumbing/Anne Arundel County, Howard County 14 permits/to Jul 2026
CAPITOL PLUMBING Plumbing/Anne Arundel County, Howard County 14 permits/to Jul 2026
CATONSVILLE PROFESSIONAL SERVICES Plumbing/Howard County 14 permits/to Sep 2026

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Source: county permit records. Updated weekly.