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Commercial Contractors in Washington, DC

District of Columbia · 112 contractors listed
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Browse by Trade in Washington

Commercial Electricians
HVAC Contractors
Commercial Plumbing
Mechanical Contractors
Fire Protection
Backflow Prevention

32 Contractors in Washington

District Plumbing & MechanicalVerifiedClaimed

Backflow Prevention & Water Treatment

Featured
4.7(54 reviews)·26 yrs in business
1350 Connecticut Ave NW, Washington, DC 20036
Backflow PreventionWater TreatmentGrease Traps
License: DC-PL-007823
(202) 468-1315View Profile
Capital City Plumbing Co.VerifiedClaimed

Healthcare & Government Facilities

Featured
4.8(71 reviews)·34 yrs in business
900 7th St NW, Washington, DC 20001
Government FacilitiesHealthcareFederal Buildings
License: DC-PL-001147
(202) 468-1315View Profile
Tim Whistler Plumbing & Gas FittingVerifiedClaimed

Commercial Plumbing

Featured
4.7(382 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingGas FittingWater Heater Services
License: DC-30021
Claim — from $49/moView Profile
Daniel's Home ServicesVerifiedClaimed

Commercial Plumbing

Featured
4.6(149 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingHVACWater Heater Services
License: DC-30022
Claim — from $49/moView Profile
Washington Home Doctors

Commercial Plumbing

4.4(16 reviews)·39 yrs in business
Washington, DC
Commercial PlumbingDrain ServicesWater Heater Services
License: DC-30023
Claim — from $49/moView Profile
Champion Plumbing & Drains

Commercial Plumbing

4.8(86 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingDrain CleaningEmergency Plumbing
License: DC-30024
Claim — from $49/moView Profile
Sam's Plumbing

Commercial Plumbing

4.8(272 reviews)·20 yrs in business
Washington, DC
Commercial PlumbingDrain ServicesWater Heater Services
License: DC-30025
Claim — from $49/moView Profile
NOVA Plumbing & Drain Specialist

Commercial Plumbing

4.9(106 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingDrain CleaningCommercial Services
License: DC-30026
Claim — from $49/moView Profile
Capitol Handyman & Plumbing

Commercial Plumbing

4.6(49 reviews)·15 yrs in business
Washington, DC
Commercial PlumbingDrain ServicesGeneral Repairs
License: DC-30027
Claim — from $49/moView Profile
DC Plumbing & Drain Service

Commercial Plumbing

4.7(35 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingDrain CleaningEco-Friendly Services
License: DC-30028
Claim — from $49/moView Profile
McCarthy Services

Commercial Plumbing

4.7(29 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingEmergency PlumbingDrain Services
License: DC-30029
Claim — from $49/moView Profile
Sam's Plumbing DC

Commercial Plumbing

4.8(272 reviews)·20 yrs in business
Washington, DC
Commercial PlumbingDrain ServicesWater Heater Services
License: DC-30030
Claim — from $49/moView Profile
Belle View Plumbing

Commercial Plumbing

4.7(29 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingDrain ServicesWater Heater Services
License: DC-30031
Claim — from $49/moView Profile
B L James & Son

Commercial Plumbing

4.0(8 reviews)·0 yrs in business
Washington, DC
Commercial PlumbingHeatingCooling
License: DC-30032
Claim — from $49/moView Profile
Power Hut Electric

Commercial Electrical

5.0(4 reviews)·0 yrs in business
Washington, DC
Commercial ElectricalWiringEmergency Electrical
License: DC-30047
Claim — from $49/moView Profile
MEP Home Services

Commercial Electrical

4.6(49 reviews)·0 yrs in business
Washington, DC
Commercial ElectricalPlumbingMechanical Services
License: DC-30048
Claim — from $49/moView Profile
Michael & Son ServicesVerifiedClaimed

Commercial Electrical

4.2(54 reviews)·40 yrs in business
Washington, DC
Commercial ElectricalHVACPlumbing
License: DC-30049
Claim — from $49/moView Profile
US High Tech

Commercial Electrical

4.8(28 reviews)·0 yrs in business
Washington, DC
Commercial ElectricalHVACElectrical Repairs
License: DC-30050
Claim — from $49/moView Profile
Bravo Works

Commercial Electrical

4.8(41 reviews)·0 yrs in business
Washington, DC
Commercial ElectricalPanel UpgradesWiring
License: DC-30051
Claim — from $49/moView Profile
McCarthy Services Mechanical

Mechanical Systems

4.7(29 reviews)·0 yrs in business
Washington, DC
Mechanical SystemsHVACPlumbing
License: DC-30055
Claim — from $49/moView Profile
Capitol Fire ProtectionVerifiedClaimed

Fire Sprinkler Systems

4.8(34 reviews)·0 yrs in business
Washington, DC
Fire Sprinkler SystemsFire AlarmsSuppression Systems
License: DC-30057
Claim — from $49/moView Profile
DC Backflow Prevention

Backflow Testing

4.8(17 reviews)·0 yrs in business
Washington, DC
Backflow TestingBackflow CertificationDC Water Compliance
License: DC-30063
Claim — from $49/moView Profile
Capital HVAC Solutions

Commercial HVAC

4.6(33 reviews)·0 yrs in business
Washington, DC
Commercial HVACWashington DCInstallation
License: DC-HVAC-93
(703) 397-4604View Profile
Precise Building Services

Commercial Electrical

4.8(47 reviews)·13 yrs in business
Washington, DC
Commercial ElectricalWashington DCSilver Spring
License: DC-ELEC-94
(202) 827-2214View Profile
BBCDC Construction & General Contractors

MEP Services

4.7(28 reviews)·0 yrs in business
Washington, DC
MEP ServicesWashington DCCommercial Construction
License: DC-MEP-95
(202) 350-0344View Profile
DMV Electric ServiceVerified

Commercial Electrical Services

4.7(38 reviews)·0 yrs in business
Washington, DC
ElectricalCommercialLicensed
License:
202-754-4066View Profile
Nationwide Electrical Services Inc.

Commercial Electrical

0.0(0 reviews)·0 yrs in business
2625 Evarts Street NE Unit B
ElectricalCommercialElectrician
License:
202-636-3800View Profile
Pro-Air Inc.

Mechanical Systems

0.0(0 reviews)·0 yrs in business
1319 F Street NW Suite 400
MechanicalHVACPlumbing
License:
301-931-9052View Profile
R & R Mechanical Inc.

Mechanical Systems

0.0(0 reviews)·0 yrs in business
2902 Bladensburg Road NE
MechanicalHVACPlumbing
License:
202-636-9451View Profile
WL Gary

HVAC Installation & Service

0.0(0 reviews)·0 yrs in business
225 Vine Street NW
HVACMechanicalHeating
License:
202-723-0676View Profile
Long Engineering

HVAC Installation & Service

0.0(0 reviews)·0 yrs in business
HVACMechanicalHeating
License:
202-657-7978View Profile
Capital City Mechanical LLCVerified

Mechanical Systems & HVAC

4.7(30 reviews)·0 yrs in business
2410 Evarts Street NE, Washington, DC 20018
HVACMechanicalCommercial
License:
+1 202-529-4400View Profile

Commercial Contractors in Washington, DC

Washington is one of the most active commercial construction markets in the Washington DC region. Haus of Contractors maintains a comprehensive, up-to-date listing of licensed MEP contractors serving Washington and District of Columbia.

All contractors listed for Washington hold active licenses with the relevant state authority — the Virginia Department of Professional and Occupational Regulation (DPOR), the Maryland Home Improvement Commission (MHIC), or the DC Department of Consumer and Regulatory Affairs (DCRA).

Looking for a specific trade? Use the category links above to find electricians, HVAC contractors, plumbers, mechanical contractors, fire protection specialists, or backflow prevention services in Washington.