General Contractor- Construction & Inspection

Long Engineering is a heating, ventilation, air conditioning, commercial refrigeration and green technology contractor that reduces energy usage for both residential and commercial clients.

A diversifid electrical construction contractor specializing in energy conservation, trade specifices such as: Electrical Installation, HVAC, Masonary, Plumbing, LED Technology, Solar Technology, and Renovation service disciplines.

Site Preparation, soil erosion control, storm water, sanitary sewer, water distribution, excavation, grading, blasting, recycled aggregates, flyash, solid waste and contaminated soil disposal, asphalt paving, sidewalks, curb & gutter, retaining walls

DESIGN AND FULL CONSTRUCTION SERVICES, RENOVATION AND REPAIRS OF COMMERCIAL AND INSTITUTIONAL BUILDINGS AND STRUCTURES.

Offering electrical maintenance, repair, renovations and security systems to commercial and residential customers. Commercial outdoor/indoor lighting, installation of highway & street lighting systems.

HVAC / Sheetmetal Ductwork

CONSTRUCTION & REPAIRS OF BUILDINGS, HIGHWAYS, RUNWAYS, BRIDGES, UTILITY LINES, SITE WORK, FOUNDATIONS, CONCRETE, EXCAVATION, STEEL, WATER LINES, WASTE WATER TREATMENT, Electical, Mechanical, Memorials, Parks, Concrete, Paving, Stonework, Signs

During our years of existence had provided Office Relocation Services, Move Management Services, Transportation Service Providers-Motor Freight and Local Courier Delivery Services to more than 22 Federal, local government agencies, and corporate entities.

TRG Construction is a 100% minority-owned, service-disabled veteran owned, SBA Certified HUB Zone general contracting company with corporate headquarters located in Washington DC, with a branch office in Lanham, Maryland.

GENERAL CONTRACTING, CONSTRUCTION MANAGEMENT AND PROJECT MANAGEMENT. WE PERFORM ALL TYPES OF COMMERCIAL CONSTRUCTION. NEW CONSTRUCTION, RENOVATION AND REMODELING WORK. FOR SCHOOLS, HOSPITALS, AND OTHER BUILDINGS.

We currently have the capacity to handle projects from $50, 000.00 to $1, 000, 000.00.

CoolBison Consulting Group Corp (CBCG) is a start-up consulting firm focused on serving the comprehensive needs of businesses in the full range of the business cycle.

General Construction, Information Processing, Telecommunications Facilities, Build-out, Technology Management, Consultants, Copy Services, Data Center

Provide property management and other real estate services. Also perform administration services such as meeting scheduling and event planning.

Minority owned company that offers services to government and private entities with specialty in the areas of Asbestos/ lead/ mold testing and remediation, HVAC maintenance, demolition, tile and carpet removal, painting and sheet rocking services.

HARDIE INDUSTRIES, INC.is a woman owned, minority full service construction company.We offer construction services that include, general contracting, CM and design-build in the Washington DC metro area.HARDIE INDUSTRIES, INC.is a certified 8(a)firm by the SBA.

Engineering company with expertise in Heating, Ventilating, and Air Conditioning (HVAC) system design, plumbing system design, and electrical system design, as it pertains to facilities. Previous customers with various federal agencies.

We perform the following work: contracting for foundation, masonry, HVAC, electrical, plumbing, roofing, siding, framing, painting, and carpentry.

Pump repairs, cooling towers, dynamic balancing, maufacturing of parts, shafts, bushings, bearings, general machine shop services, pressing, welding(mig, tig, arc, gas)