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Public record · Maryland

Frederick County: 424 companies on record.

The companies the public registers place in Frederick County, Maryland, by sector, as DealSTE read them — read 8 Nov 2026. Each opens on its own record page: registration, sites, permits, liens and compliance, each with its register.

By sector
SectorCompanies
Defense and federal contracting235
Auto services — repair, collision, tire60
Manufacturing47
Healthcare — medical, dental & home health21
Trades — HVAC, plumbing, electrical, mechanical14
Distribution & wholesale9
Professional services — accounting, engineering, insurance9
Home construction & remodeling5
Crushed stone4
Retail — specialty, convenience & liquor4
Trucking3
Commercial & specialty contracting2
Commercial cleaning & facilities services2
Funeral homes2
Restaurants2
Car washes & quick lube1
Equipment rental1
Landscaping, lawn care & grounds1
Pest control1
Waste hauling, roll-off & recycling1
The companies — the first 50 of 424, as the map lists them
CompanySectorCity
O'Leary Asphalt, IncCommercial & specialty contractingIJAMSVILLE
Carter IntralogisticsManufacturingFrederick
Colonial Sash and DoorManufacturingFrederick
Metlfab Inc.ManufacturingFrederick
Phoenix MecanoManufacturingFrederick
American Computer Development, Inc.ManufacturingFrederick
Crowley Micrographics IncManufacturingFrederick MD
Crowley Micrographics, Inc.Defense & federal contractingFrederick
AboveAir Technologies, LLC.ManufacturingFrederick
Amphenol CorporationManufacturingFrederick
Berrywine Plantations, Inc. DBA Linganore WinecellarsManufacturingMount Airy
Hercules Custom Iron, LLCManufacturingWalkersville
MR Stone, LLCManufacturingMonrovia
The Cannabist CompanyManufacturingFrederick
McCormick Paint Works CompanyManufacturingFrederick
Equipment Development Co. Inc.ManufacturingFrederick
McCutcheon's Apple ProductsManufacturingFrederick
Miscellaneous MetalsManufacturingWalkersville
Trans-Tech Inc.ManufacturingAdamstown
Leidos Biomedical Research, Inc.ManufacturingFrederick
Marine Air Supply Co., Inc.Defense & federal contractingFrederick
Masai Technologies CorporationDefense & federal contractingFrederick
United Plate Glass Company (Frederick)ManufacturingFrederick
Contract Furniture Options, Inc.Defense & federal contractingWalkersville
Deltastrac LLCDefense & federal contractingNew Windsor
Manguiri Contracting LLCDefense & federal contractingFrederick
Nodi Solutions, LLCDefense & federal contractingFrederick
Rb Continuum, Inc.Defense & federal contractingIjamsville
Systematic Management Services Inc.Defense & federal contractingFrederick
Toxicologic Pathology Associates INCDefense & federal contractingFrederick
Uncle Ralphs CookiesManufacturingFrederick
Cooper Building Services, LLCDefense & federal contractingFrederick
David C. Smith & Son, Inc.Defense & federal contractingMonrovia
Eminent Services CorpDefense & federal contractingFrederick
Fesco Energy LLCDefense & federal contractingFrederick
MCCORMICK PAINT WORKS CORetail — specialty, convenience & liquorROCKVILLE
Structural Building SolutionsManufacturingThurmont
Avfederal Tech Solutions, LLCDefense & federal contractingFrederick
George Moehrle Masonry, Inc.Trades — HVAC, plumbing, electrical, mechanicalFREDERICK
Lib Src INCDefense & federal contractingMyersville
Nicolock Paving stones and Retaining WallManufacturingNorth Haven
Pierless Ventures-dvorak Jv, LLCDefense & federal contractingThurmont
Rk Analytics LLCDefense & federal contractingMount Airy
The Consulting Network, Inc.Defense & federal contractingMiddletown
TRUGREEN LANDCARE L.L.C.Landscaping, lawn care & groundsIJAMSVILLE
AMERICAN LUMPER SERVICES LLCTrucking, freight & logisticsFREDERICK
Colonial Equipment CompanyDefense & federal contractingMonrovia
GraphcomManufacturingFrederick
THE FREDERICK MOTOR COMPANYRetail — specialty, convenience & liquorFREDERICK
Unity Technologies CorpDefense & federal contractingMyersville

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