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Manufacturing facilities in Maryland

The register lists 3711 facilities in Maryland. The Bureau of Labor Statistics counted 5134 establishments in Maryland for the year 2025. Computer and Electronic Product Manufacturing is an industry with 458 facilities listed in the register.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, counties and cities
Map of United States manufacturing facilities

Biggest counties

Baltimore473Montgomery405Baltimore399Anne Arundel332Prince George's323Howard295Frederick252Washington158
All 24 counties

Biggest cities

Federal labor statistics counted at least 5,134 manufacturing establishments in Maryland in 2025, employing about 112,988 people, counting only the industry subsectors the Bureau of Labor Statistics discloses at this level. This registry lists 3,711, about 72% of that figure.

Facilities in Maryland96 FACILITIES

Listing 96 of 131: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityIndustryNAICSEmployeesStatus
Atg LLCRockvilleComputer and Electronic Product Manufacturing334220— LIKELY ACTIVE
BiorelianceRockvilleChemical Manufacturing325412— LIKELY ACTIVE
Lensguide Imaging Technology INCRockvilleMiscellaneous Manufacturing339112— LIKELY ACTIVE
Sport Squad, INC.RockvilleMiscellaneous Manufacturing339920— LIKELY ACTIVE
Stacato LLCRockvilleComputer and Electronic Product Manufacturing3343101–19 LIKELY ACTIVE
Catalent Maryland, INC.RockvilleChemical Manufacturing325414— LIKELY ACTIVE
Mccormick Paint Works CompanyRockvilleChemical Manufacturing325510100–499 UNVERIFIED
Aurinia Pharma US INCRockvilleChemical Manufacturing325412— LIKELY ACTIVE
Berkshire Corporation (formerly Disinfexol, Llc)RockvilleChemical Manufacturing325612— LIKELY ACTIVE
Cheerio Printing Company, INC.RockvillePrinting and Related Support Activities3231111–19 LIKELY ACTIVE
Dimensional Marble & Tile, INC.RockvilleNonmetallic Mineral Product Manufacturing32799120–99 LIKELY ACTIVE
Latin Goodness Foods, LLCRockvilleFood Manufacturing311612— LIKELY ACTIVE
Ma BioservicesRockvilleChemical Manufacturing325414— LIKELY ACTIVE
MacroGenics, Inc._CorpHQRockvilleChemical Manufacturing325412100–499 LIKELY ACTIVE
Meso Scale Diagnostics, LLCRockvilleChemical Manufacturing325413— LIKELY ACTIVE
M. Luis Products, LLCRockvillePetroleum and Coal Products Manufacturing324121— LIKELY ACTIVE
Supernus Pharmaceuticals, INCRockvilleChemical Manufacturing325412— LIKELY ACTIVE
Day, F.o. Bituminous - Piney MtgRockvilleNonmetallic Mineral Product Manufacturing327992— LIKELY ACTIVE
F. O. Day Bituminous CompanyRockvillePetroleum and Coal Products Manufacturing324121— LIKELY ACTIVE
Int, INCRockvillePrinting and Related Support Activities323110— LIKELY ACTIVE
Lafarge Mid-atlantic INC Rockville RmxRockvilleNonmetallic Mineral Product Manufacturing327320— LIKELY ACTIVE
Lr Technologies, INC.RockvilleComputer and Electronic Product Manufacturing3342201–19 LIKELY ACTIVE
Metal RapsRockvilleFabricated Metal Product Manufacturing332322— LIKELY ACTIVE
On Demand Pharmaceuticals, INC.RockvilleChemical Manufacturing325412— LIKELY ACTIVE
Schuster Concrete Ready Mix Llc-southlawn LnRockvilleNonmetallic Mineral Product Manufacturing327320— LIKELY ACTIVE
Advanced Bioscience Laboratories, INCRockvilleChemical Manufacturing325414— UNVERIFIED
Alexandria Real Estate Equities, INC.RockvilleChemical Manufacturing325412— UNVERIFIED
Emergent BiosolutionsRockvilleChemical Manufacturing325412— REPORTED CLOSED
Glaxosmithkline USARockvilleChemical Manufacturing325414— UNVERIFIED
Human Genome Sciences, Plant 1RockvilleChemical Manufacturing325413— UNVERIFIED
Human Genome Sciences, Plant 2RockvilleChemical Manufacturing325414— UNVERIFIED
Regenxbio, INC.RockvilleChemical Manufacturing325414— UNVERIFIED
Seegene, INC.RockvilleChemical Manufacturing325414— UNVERIFIED
Smith LithographRockvilleFood Manufacturing311920— UNVERIFIED
306 Rockville MDRockvilleFood Manufacturing31181120–99 LIKELY ACTIVE
Butterfly Spirits, LLCRockvilleBeverage and Tobacco Product Manufacturing312140— LIKELY ACTIVE
D & a Associates INC.RockvilleFurniture and Related Product Manufacturing337214— REPORTED CLOSED
Gude Branch 00RockvilleChemical Manufacturing32512020–99 LIKELY ACTIVE
Rockville Branch 25RockvilleChemical Manufacturing3251201–19 LIKELY ACTIVE
Seco Usa, INCRockvilleComputer and Electronic Product Manufacturing334111— LIKELY ACTIVE
UnipecRockvillePlastics and Rubber Products Manufacturing3261211–19 LIKELY ACTIVE
American Reprographics IncRockvillePrinting and Related Support Activities3231111–19 UNVERIFIED
Danzo, LLCRockvillePrinting and Related Support Activities3231141–19 UNVERIFIED
Machfu INCRockvilleComputer and Electronic Product Manufacturing33411820–99 UNVERIFIED
N.T.Dental Corp.RockvilleMiscellaneous Manufacturing3391161–19 UNVERIFIED
Sligo Mill Brewing Company LLCRockvilleBeverage and Tobacco Product Manufacturing3121201–19 UNVERIFIED

Search all 3,711 Maryland facilities