Contractors in Maryland

Shapiro and Duncan is a full service Plumbing and HVAC construction company based in Rockville, Maryland since 1976. We are a cradle to cradle provider of mechanical services from concept through design and construction, warranty, preventive maintenance and service, completing the cycle of rebirth as we replace the equipment at the end of its useful life. Shapiro & Duncan has attained an unrivaled reputation for superior performance on all types of commercial mechanical projects and HVAC Service. We continue to be the "Mechanical Contractor of Choice" for educational institutions, commercial and government buildings, and the preferred contractor for complex projects that require demanding performance or unusual time constraints. We are an industry leader in design-build project delivery, sustainable design, Building Information Modeling (BIM) and Integrated Project Delivery (IPD).

Shaw Electric specializes in electrical work for commercial and industrial construction, meeting customer needs since 2011.

Shore Quality Contracting, LLC is a leading Maryland excavating and general contracting company specializing in commercial contracting and residential projects.

Sody Concrete Construction is a full-capability concrete contractor serving Maryland, Washington D.C., Northern Virginia, and Delaware. They specialize in industrial, commercial, and institutional concrete projects, offering skilled workmanship and customer service.

Somerset Well Drilling is a water well construction company that operates in Maryland, Delaware, and Virginia. Water well services provided include the design and construction of domestic, irrigation, commercial, industrial, wells, residential and municipal water treatment systems, pump repairs and installation, and water line repair and installation. They also specialize in the installation of geothermal systems, providing geothermal wells, and system flushing, balancing, purging, and performance checks to verify efficient heat exchange.

Southern Maryland Dredging, Inc. is a marine construction firm specializing in hydraulic dredging for federal and state owned waterways, as well as privately owned marinas, canals, channels, creeks, and harbors. It has been in business since 1966 and operates six hydraulic dredges on the eastern seaboard.

Spigler Petroleum Equipment specializes in the servicing and distribution of equipment for retail and commercial petroleum service stations. They offer equipment sales from Fuel Dispenser/Pumps, Automatic Tank Monitoring Equipment, and Point-of-Sale systems. They also provide service and support.

Star Electric Company is a full-service commercial and industrial electrical contractor servicing the Baltimore, DC area. They provide value-added electrical construction services to the public sector with decades of experience in commercial electrical construction.

Stella May Contracting is a heavy civil and critical infrastructure contractor serving Maryland and the Mid-Atlantic region.

Stoehr Companies, Inc. provides a variety of quality services through its specialized divisions. Stoehr Construction is a leading full service commercial general contracting firm providing new construction and renovation services for retail, hospitality, and corporate clients. Stoehr Telecom Construction provides turn-key general contracting and build out services to the telecommunications and cellular phone industry.

Strum Contracting Company is a national heavy civil infrastructure contractor focusing on the installation of structural steel elements for industrial-grade structures including bridges, pipelines, power generation facilities, and renewable energy projects. The company also undertakes manufacturing work in the area of miscellaneous metals.

Summit Anchor provides superior fall protection systems and suspended maintenance equipment solutions. They offer design, engineering, manufacturing, installation, testing and certification of suspended access and fall protection systems.

Summit VT Solutions is a full-service electrical, construction, and life safety contractor serving Maryland, Washington D.C., and Virginia. Our experienced project team can assist in all facets of your project from pre-construction planning and budget development to installation and integrated project management. Summit VT Solutions takes pride in understanding your needs and exceeding your expectations within the budget established for your capital investment initiative. Our commitment to quality coupled with our unmatched professionalism and experience will enable Summit VT Solutions to partner with your project team to deliver superior results, on time, and within budget.

Superior Damage Restoration (SDR) is one of the leading property damage remediation companies in the DMV metro, providing water emergency, fire clean up, mold remediation, restoration, and reconstruction services for both residential and commercial clients.

Superior Facilities Management Services (SFMS) provides property maintenance and construction services for property managers & developers in Washington D.C., Maryland, & Northern Virginia. They offer demolition, construction, exterior building, asphalt paving, concrete, roll-off dumpster, and snow removal services.

Superior Mechanical Services provides commercial HVAC & plumbing repairs, new construction, and emergency services in the Maryland, DC, and Virginia areas.

Specializes in underground utilities and civil construction, offering unmatched productivity, quality, and safety.

Surface Logic is a Facilities Management Company that specializes in the senior living industry. Surface Logic manages all aspects of the physical plant including Cap-Ex and Operational Planning, Project Management, Procurement and CMMS Management.

Synagro works to protect the health of our water, our Earth and those who depend upon them now and for the future. They focus on sustainable solutions for the natural waste challenges generated by civic and commercial growth, including managing biosolids and cleaning the water supply.

T&D Plumbing, Heating, A/C, & Utilities is a plumbing and HVAC subcontractor serving Maryland since 1958. They offer residential and commercial services.

TEI Electrical Solutions provides electrical solutions and quality workmanship in new construction and renovation projects for the public and private sectors. They offer electrical prefabrication, safety programs, and 3D scanning & 3D modeling services.

Terry Asphalt Hauling & Grading, Inc. is a family-owned and operated business specializing in asphalt installation and repairs, particularly for golf courses. They also offer excavating and hauling services.