Manufacturing in Washington-Arlington-Alexandria, DC-VA-MD-WV

Washington-Arlington-Alexandria, DC-VA-MD-WV is listed in the register with 2,980 facilities. The register lists 54 facilities first seen this year, as of 2026. Computer and Electronic Product Manufacturing accounts for 468 facilities listed in the register.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and industries

Biggest cities

Washington, DC214 Frederick, MD152 Fredericksburg, VA145 Manassas, VA134 Alexandria, VA124 Rockville, MD118 Sterling, VA116 Chantilly, VA104 Gaithersburg, MD84 Arlington, VA70

Biggest industries

Computer and Electronic Product Manufacturing468 Beverage and Tobacco Product Manufacturing401 Fabricated Metal Product Manufacturing260 Miscellaneous Manufacturing240 Food Manufacturing239 Chemical Manufacturing219 Nonmetallic Mineral Product Manufacturing210 Printing and Related Support Activities191

Facilities2,980 FACILITIES

Facility	City	Industry	Employees	Status
Hanger Prosthetics & Orthotics INC	Lanham, MD	Miscellaneous Manufacturing339113	—	ACTIVE
Hanger Prosthetics & Orthotics, INC.	Rockville, MD	Miscellaneous Manufacturing339113	—	ACTIVE
Hanger Prosthetics & Orthotics, INC.	Washington, DC	Miscellaneous Manufacturing339113	—	ACTIVE
Hanger Prosthetics & Orthotics, INC.	Washington, DC	Miscellaneous Manufacturing339113	—	ACTIVE
Hanger Prosthetics & Orthotics, INC.	Laurel, MD	Miscellaneous Manufacturing339113	—	ACTIVE
Hanger Prosthetics & Orthotics, INC.	Reston, VA	Miscellaneous Manufacturing339113	—	ACTIVE
Hanger Prosthetics & Orthotics, INC.	Waldorf, MD	Miscellaneous Manufacturing339113	—	ACTIVE
Hanwha Defense Usa, INC.	Arlington, VA	Transportation Equipment Manufacturing336992	—	ACTIVE
Harmattan Industries INC.	Arlington, VA	Transportation Equipment Manufacturing336411	—	ACTIVE
Healthbarr Studios LLC	Fredericksburg, VA	Computer and Electronic Product Manufacturing334519	—	ACTIVE
Herrick Technology Laboratories INC.	Germantown, MD	Computer and Electronic Product Manufacturing334511	—	ACTIVE
Herron, INC.	Gaithersburg, MD	Printing and Related Support Activities323111	—	ACTIVE
Hight-tech INC.	Beltsville, MD	Chemical Manufacturing325311	—	ACTIVE
Hill Creek Incorporated	Front Royal, VA	Fabricated Metal Product Manufacturing332710	—	ACTIVE
Hitachi Vantara Federal Corporation	Reston, VA	Computer and Electronic Product Manufacturing334111	—	ACTIVE
Hondoq North America LLC	Alexandria, VA	Transportation Equipment Manufacturing336411	—	ACTIVE
Horizon Frontier Technologies INC	Chantilly, VA	Transportation Equipment Manufacturing336411	—	ACTIVE
Horizon Technologies, LLC	Washington, DC	Transportation Equipment Manufacturing336413	—	ACTIVE
Hpi Federal LLC	Washington, DC	Computer and Electronic Product Manufacturing334111	—	ACTIVE
Human Biosciences INC	Gaithersburg, MD	Miscellaneous Manufacturing339113	—	ACTIVE
Human Circuit INC	Gaithersburg, MD	Computer and Electronic Product Manufacturing334220	—	ACTIVE
Hunt Graphics, INC.	Derwood, MD	Miscellaneous Manufacturing339950	—	ACTIVE
Hydromax, INC.	Emmitsburg, MD	Machinery Manufacturing333310	—	ACTIVE
Hydro Service & Supplies, INC.	Gaithersburg, MD	Machinery Manufacturing333310	—	ACTIVE
Hypersat LLC	Mc Lean, VA	Computer and Electronic Product Manufacturing334220	—	ACTIVE
I2pure CORP.	Ashburn, VA	Chemical Manufacturing325412	—	ACTIVE
Iai North America INC.	Herndon, VA	Transportation Equipment Manufacturing336412	—	ACTIVE
Icon Scientific, INC.	North Potomac, MD	Computer and Electronic Product Manufacturing334516	—	ACTIVE
Idemia America CORP	Chantilly, VA	Plastics and Rubber Products Manufacturing326199	—	ACTIVE
Igc Pharma, INC	Potomac, MD	Chemical Manufacturing325412	—	ACTIVE
Illumiarts LLC	Washington, DC	Electrical Equipment, Appliance & Component Manufacturing335139	—	ACTIVE
Imgen Technologies Lc	Boyce, VA	Computer and Electronic Product Manufacturing334516	—	ACTIVE
Independence Hydrogen INC.	Ashburn, VA	Chemical Manufacturing325120	—	ACTIVE
Independent Custom Metalworks, LLC	Bladensburg, MD	Fabricated Metal Product Manufacturing332323	—	ACTIVE
In-depth Engineering Corporation	Fairfax, VA	Computer and Electronic Product Manufacturing334511	—	ACTIVE
Inelect CORP	Frederick, MD	Computer and Electronic Product Manufacturing334111	—	ACTIVE
Infinidat Federal INC.	Rockville, MD	Computer and Electronic Product Manufacturing334112	—	ACTIVE
Infoblox Federal INC	Mc Lean, VA	Computer and Electronic Product Manufacturing334111	—	ACTIVE
Inkelement LLC	Washington, DC	Printing and Related Support Activities323111	—	ACTIVE
Innoface Systems, INC.	Bowie, MD	Computer and Electronic Product Manufacturing334310	—	ACTIVE
Intalus, INC.	Ashburn, VA	Fabricated Metal Product Manufacturing332812	—	ACTIVE
Integrated Composite Construction Systems LLC	Manassas, VA	Nonmetallic Mineral Product Manufacturing327390	—	ACTIVE
Intelligent Procurement Solutions, LLC	Leesburg, VA	Computer and Electronic Product Manufacturing334310	—	ACTIVE
Intelmarine INC	Darnestown, MD	Transportation Equipment Manufacturing336611	—	ACTIVE
International Defense & Security Solutions, INC.	Hamilton, VA	Computer and Electronic Product Manufacturing334511	—	ACTIVE
International Library Services INC	Potomac, MD	Computer and Electronic Product Manufacturing334118	—	ACTIVE
International Trade and Technologies, INC	Mc Lean, VA	Fabricated Metal Product Manufacturing332994	—	ACTIVE
Interpretive Woodwork and Design INC	Manassas, VA	Furniture and Related Product Manufacturing337211	—	ACTIVE
Inventwood INC.	Frederick, MD	Wood Product Manufacturing321999	—	ACTIVE
Ion Storage Systems, INC.	Beltsville, MD	Electrical Equipment, Appliance & Component Manufacturing335910	—	ACTIVE