Manufacturing in Montgomery County, Maryland

As of JUL 2026, FactoryRegistry lists 315 manufacturing facilities in Montgomery County, Maryland, sourced from EPA, OSHA and Census records.

FACILITIES

315

CITIES

TOP INDUSTRY

Chemical Manufacturing

74 facilities

Cities

Rockville (89)Gaithersburg (72)Bethesda (34)Silver Spring (34)Germantown (15)Potomac (11)Rockville (7)Derwood (6)Gaithersburg (5)Dickerson (5)

Top industries

Chemical Manufacturing (74)Computer and Electronic Product Manufacturing (71)Miscellaneous Manufacturing (33)Fabricated Metal Product Manufacturing (21)Printing and Related Support Activities (19)Transportation Equipment Manufacturing (14)

Facilities

Origene Technologies, INC.

Rockville, MD

ACTIVE325413EMP 20-99

United Therapeutics CORP

Silver Spring, MD

ACTIVE325412EMP 100-499

Capital Electro-circuits, INC.

Dimensional Marble & Tile, INC.

Rockville, MD

LIKELY ACTIVE327991EMP 20-99

Supernus Pharmaceuticals, INC

Rockville, MD

LIKELY ACTIVE325412

18818216 Vision Services Burtonsville

Burtonsville, MD

LIKELY ACTIVE333314EMP 20-99

18825 Enterprises, LLC

LIKELY ACTIVE311811EMP 20-99

Aancra, INC.

Bethesda, MD

LIKELY ACTIVE325414

Able Engineering, INC

Aclara Technologies INC.

Bethesda, MD

LIKELY ACTIVE331492

AgNovos Bioscience (HQ)

Rockville, MD

LIKELY ACTIVE339113EMP 20-99

Air Flow Environmental Control LTD

Gaithersburg, MD

LIKELY ACTIVE333415

Amcom Communications, INC

Rockville, MD

LIKELY ACTIVE334419

American Centrifuge Operating, LLC

Bethesda, MD

LIKELY ACTIVE325180

American Floor Mats LLC

Rockville, MD

LIKELY ACTIVE314110

Angel Investments LLC

Anthony Lee Associates, INC.

Aqua Leaf Technology LLC

Silver Spring, MD

LIKELY ACTIVE336611

Arculus Solutions INC

Atlantic Machinery INC

Silver Spring, MD

LIKELY ACTIVE336211

Aurinia Pharma US INC

Rockville, MD

LIKELY ACTIVE325412

Automated Business Power, INC.

Gaithersburg, MD

LIKELY ACTIVE334220

Automated Precision, INC.

Benjamin Office Supply & Services INC

Rockville, MD

LIKELY ACTIVE339940

Bethesda Scientific, INC.

Blue Source Group INC

Olney, MD

LIKELY ACTIVE334111

Blue Thunder Promotions, LLC

North Potomac, MD

LIKELY ACTIVE339950

Brain Biosciences INC

Rockville, MD

LIKELY ACTIVE334510

Brainscope Company, INC

Rockville, MD

LIKELY ACTIVE334510

Business Products Group, INC.

Burtonsville, MD

LIKELY ACTIVE339940

Butterfly Spirits, LLC

Bethesda, MD

LIKELY ACTIVE312140

C284 Silver Spring PC

Silver Spring, MD

LIKELY ACTIVE312111EMP 20-99

Candy Wraps Dmv LLC

Rockville, MD

LIKELY ACTIVE339950

Capital Office Systems, INC.

Bethesda, MD

LIKELY ACTIVE337215

Capital Shredder CORP

Cellpoint Scientific, INC.

Gaithersburg, MD

LIKELY ACTIVE339113