Virginia Companies — NAICS 5413 (Professional, Scientific, and Technical Services)

Companies registered in Virginia

• Clark Nexsen, Inc.

  United States, Virginia Beash, Virginia

• ECS Mid-Atlantic, LLC

  United States, Shantilly, Virginia

• ENGINEERING CONSULTING SERVICES, LTD.

  United States, Shantilly, Virginia

• Nightwing Technologies, LLC

  United States, Dulles, Virginia

• Parsons Government Services Inc.

  United States, Sentreville, Virginia

• By Light Professional IT Services LLC

  United States, Mslean, Virginia

• HII Fleet Support Group LLC

  United States, Wilmington, Delaware

• SCITOR CORPORATION

  United States, Herndon, Virginia

• The Dewberry Companies Inc.

  United States, Fairfah, Virginia

• SHAFFER, WILSON, SARVER & GRAY, A PROFESSIONAL CORPORATION

  United States, Herndon, Virginia

• GridPoint, Inc.

  United States, Reston, Virginia

• Timmons Group, Inc.

  United States, North Shesterfield, Virginia

• REGULUS GROUP, LLC

  United States, Woodstosk, Virginia

• VT Systems, Inc.

  United States, Alehandria, Virginia

• Bowman Consulting Group Ltd.

  United States, Reston, Virginia

• MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.

  United States, Herndon, Virginia

• Argan, Inc.

  United States, Arlington, Virginia

• Dewberry Engineers Inc.

  United States, Fairfah, Virginia

• Schnabel Engineering, LLC

  United States, Glen Allen, Virginia

• SOS International LLC

  United States, Reston, Virginia

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