US Factory Map

Concrete manufacturers in Maryland

Maryland has 168 concrete producers in EPA records, facilities that list codes for ready-mix concrete, block, brick, pipe and other concrete products. The most are in Baltimore, Hagerstown and Frederick. That is 2% of the 9,754 such facilities nationwide, and Maryland ranks #21 of 51 states.

Product
Concrete manufacturers
Facilities
168
State rank
#21
NAICS
327320 and 3 related codes
Revised
November 1, 2026

Facilities in Maryland

These are active facilities in EPA's ECHO database that list a code for ready-mix concrete, block, brick, pipe and other concrete products. The 40 shown first are the ones with the most EPA program records, which usually means the larger sites.

FacilityCityWhat EPA lists
The United States Gypsum Company - Baltimore PlantBaltimoreOther Concrete Product Manufacturing
Tri-Star Mining - Hampshire Hill Mine (No. 419)BartonReady-Mix Concrete Manufacturing
Daniel G. Schuster, LLC - Portable Plant #5BaltimoreReady-Mix Concrete Manufacturing
Quikrete CompanyPerryvilleOther Concrete Product Manufacturing
U.S. Concrete ProductsBrooklynReady-Mix Concrete Manufacturing
Chaney EnterprisesUpper MarlboroReady-Mix Concrete Manufacturing
Merit ConcreteLaurelReady-Mix Concrete Manufacturing
Jessup Ready Mix ConcreteJessupReady-Mix Concrete Manufacturing
S&g Concrete Brooklyn PlantBaltimoreReady-Mix Concrete Manufacturing
Thomas/bennett/hunter Inc.WestminsterReady-Mix Concrete Manufacturing
Aggregate Industries-Aggregate DivisionHyattsvilleReady-Mix Concrete Manufacturing
Cathedral Stone Products IncHanoverOther Concrete Product Manufacturing
Gambrills RmcGambrillsReady-Mix Concrete Manufacturing
Keymar Aggregates EngineeringKeymarReady-Mix Concrete Manufacturing
Redland BrickWilliamsportConcrete Block and Brick Manufacturing
S & G Concrete Company, LLC- Grantley Ave. PlantBaltimoreReady-Mix Concrete Manufacturing
Waldorf PlantWaldorfReady-Mix Concrete Manufacturing
Aggregate Industries - BladenHyattsvilleReady-Mix Concrete Manufacturing
Aggregate Industries-Bradon, Inc.BeltsvilleReady-Mix Concrete Manufacturing
Allentown CementBowieReady-Mix Concrete Manufacturing
Arundel CorpSparrows PointReady-Mix Concrete Manufacturing
Arundel CorporationBaltimoreReady-Mix Concrete Manufacturing
Arundel CorporationSalisburyReady-Mix Concrete Manufacturing
Arundel Corporation-Greenspring Ave.PikesvilleReady-Mix Concrete Manufacturing
Atlantic Concrete Products, Inc.BaltimoreConcrete Block and Brick Manufacturing
Atlantic Contracting - Temporay PlntSevernReady-Mix Concrete Manufacturing
Atlantic Precast ConCockeysvilleConcrete Pipe Manufacturing
BalconRosedaleConcrete Block and Brick Manufacturing
Baltimore Concrete Products, Inc.BaltimoreConcrete Pipe Manufacturing
Bardon Kirby Rd Sand & GravelClintonReady-Mix Concrete Manufacturing
Beltsville Ready-Mix ConcreteBeltsvilleReady-Mix Concrete Manufacturing
Betco Supreme IncOdentonConcrete Block and Brick Manufacturing
Blue Circle Atlantic CementBaltimoreReady-Mix Concrete Manufacturing
Bluegrass Materials Marriottsville QuarryMarriottsvilleReady-Mix Concrete Manufacturing
Bonsal American IncWhite MarshReady-Mix Concrete Manufacturing
Burger King - 1299 National HighwayLavaleReady-Mix Concrete Manufacturing
C & D Concrete, Inc.BishopvilleReady-Mix Concrete Manufacturing
C And D ConcreteQueenstownReady-Mix Concrete Manufacturing
C R Semler IncSmithsburgReady-Mix Concrete Manufacturing
C. William Hetzer/beaver Creek WestHagerstownReady-Mix Concrete Manufacturing

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.

Where they are

  • Baltimore: 23
  • Hagerstown: 10
  • Frederick: 8
  • Rockville: 7
  • Jessup: 5
  • Beltsville: 4

By product code

  • Ready-Mix Concrete Manufacturing (NAICS 327320): 31 of those shown
  • Concrete Block and Brick Manufacturing (NAICS 327331): 4 of those shown
  • Other Concrete Product Manufacturing (NAICS 327390): 3 of those shown
  • Concrete Pipe Manufacturing (NAICS 327332): 2 of those shown

All glass, cement and stone manufacturing in Maryland: 221 facilities and Census job counts.