Duct Doctor USA of Fairfax County, Inc. is America?? leading Air Duct Cleaner. We utilize the best equipment, the best technique, the most professionally trained technicians, and we take the time to do the job correctly.

Software Development Service provider. Provider of consumer electronics and industrial machinery - including batteries and Uninterruptible Power Supplies (UPS). 8(a) Prime contractor.

Airfield markings, rubber removal, paint removal and application of new markings on airfields. High pressure waterblasting removes rubber deposits and obsolete markings and prepares surfaces for new coatings.

When your Building is experiencing any issues with HVAC or Refrigeration systems, you can count on BMS to respond quickly and effectively. We guarantee the highest level of professional service at a competitive price.

Site Excavation & Grading, Clearing, Grubbing, Demolition, Erosion & sediment Control, Roads, Parking Lots, Driveways, Trenching, Underground Sanitary Water and Sewer Utilities, Diversion Dikes, Sediment Traps, Water Retention & Detention Systems

PRK Drilling & Blasting is a woman owned family business specializing in rock drilling and blasting in Virginia and West Virginia. We are active members of the International Society of Explosives Engineers and Heavy Construction Contractors Association.

ECAT is a commercial building and renovation contractor. We also perform federally owned housing maintenance. We offer project management and consulting services.

Professional structural engineering service providing building design and analysis, structure evaluation, structure renovation, load survey. Engineering staff hold licenses in VA, MD, DC, CA, and MN.

Firm offering consulting services for businesses looking to conduct business in the Middle East

Commercial and Residential landscape contractor with a retail Garden Center

Storm damage assessments, remodeling/renovating commercial & residential facilities. Class A contractor & Certified Land Disturber. Commercial & residential construction management.

The company provides institutional, industrial and commercial construction, facilty and computer maintenance management & logistics. Licenses and certifications are maintained with requisite insurance and bonding.

Triune is a full service General Contractor, performing design build, remodel, and new construction. We have also gone through extensive NASA evaluation in which we recently received a NASA Electrical IDIQ.

Comprehensive interdisciplinary scientific & engineering services in Environmental Services, Information Management Services, and Engineering & Technical Services including systems acquisitions and logistic support services.

Cleaning, Inspection, and minor repairs of commercial kitchen exhaust systems. Including factory certified servicing, cleaning and supply of Gaylord kitchen Exhaust systems. Can provide training for the use of Gaylord systems

SDVOB - General Construction, remodeling demolition, window security film, healthcare enviroment experience, handicap accessibility specialist, etc.

Industrial building construction, repairs upgrades, pumbing heating, drywall & insulation, paiting and wall covering Engineering services Security systems installation

Project Management and Consulting firm in the fields of Engineering, Construction Management, inspections, public works, and land planning

Physical Security Consulting Electronic Security System Design and Installation Access Control System Design and Installation Closed Circuit TV System Design and Installation Electronic Secuirty System Integration

R & V Contractors, Inc. provides complete interior renovation and repair services, including architectural design and engineering, and facilities operation support services.