FactoryRegistry
Claim a page

Nonmetallic Mineral Product Manufacturing

20,947 FACILITIESAll Census product lines →

NAICS 327

Map, cities and product lines

Plants in this industry20,947 FACILITIES

FacilityCityStateEmployeesStatus
Gagne & Son LLCBelgradeME ACTIVE
Gainey's Concrete Products, LLCHoldenLA ACTIVE
Geiger Ready Mix CO INCLeavenworthKS ACTIVE
Glas Werk INCRancho Santa MargaritaCA ACTIVE
Granite Division, INCTylerTX ACTIVE
Graymont (pa) INC.BellefontePA ACTIVE
Great Lakes Vault & Precast GirardGirardPA1–19 ACTIVE
Gulf Concrete Technology LLCLong BeachMS ACTIVE
H2 Pre-cast, INCE WenatcheeWA ACTIVE
Heavy Materials LLCSaint ThomasVI ACTIVE
Hopkins Sand & Gravel, INC.WebsterWI20–99 ACTIVE
Incom, INC.CharltonMA ACTIVE
Infinite Optics INC.Santa AnaCA ACTIVE
Ion Optics INCAlbanyNY ACTIVE
Island Ready-mix Concrete INCKapoleiHI ACTIVE
Itt Cannon LLCSanta RosaCA ACTIVE
James Marine Hahnville, LLCHahnvilleLA ACTIVE
Jarrett Concrete Products and Supply, INC.Ashland CityTN ACTIVE
Jones Brothers Marine Manufacturing, INC.Morehead CityNC ACTIVE
Kadco Ceramics, LLCEastonPA ACTIVE
Kenneth Lynch & Sons, IncorporatedOxfordCT ACTIVE
Kie-con INCAntiochCA20–99 ACTIVE
Kilgore Companies, LLCSalt Lake CityUT ACTIVE
Kinetics Noise Control INCDublinOH ACTIVE
Klingspor Abrasives, INCHickoryNC ACTIVE
Kopp Glass, INC.PittsburghPA20–99 ACTIVE
Lattice Electro Optics, INC.FullertonCA ACTIVE
Lebanon Ready Mix, INC.LebanonMO ACTIVE
Linde Advanced Material Technologies INC.IndianapolisIN100–499 ACTIVE
Lloyd Table CompanyLisbonIA ACTIVE
Los Alamos Transit Mix LLCLos AlamosNM1–19 ACTIVE
Luxium Solutions, LLCMilfordNH20–99 ACTIVE
Mac Thin Films, INC.Santa RosaCA ACTIVE
Malta Ready Mix IncorporatedMaltaMT ACTIVE
Materials INCBernalilloNM ACTIVE
Mccann Concrete Products INCDorseyIL ACTIVE
Mcdanel Advanced Ceramic Technologies, LLCBeaver FallsPA ACTIVE
Meva Formwork Systems INCSpringfieldOH ACTIVE
Midcon Products INCHortonvilleWI ACTIVE
Miles Sand & Gravel CompanyPuyallupWA ACTIVE
Mil-spec Abrasives, LLCNorfolkVA ACTIVE
Mindrum Precision INC.Rancho CucamongaCA ACTIVE
Mobile Abrasives, INC.TheodoreAL ACTIVE
Modern Concrete & Materials LLCBeaumontTX100–499 ACTIVE
Mofab INCAndersonIN ACTIVE
Momentive Performance Materials Quartz, INCStrongsvilleOH100–499 ACTIVE
Monument Warehouse LLCElbertonGA ACTIVE
Mo Sci LLCRollaMO20–99 ACTIVE
Norwalk Concrete Industries INCNorwalkOH ACTIVE
Omni Glass & Paint, INC.OshkoshWI100–499 ACTIVE

Search all 20,947 facilities

Common questions

How many nonmetallic mineral product manufacturing facilities are in the United States?

As of AUG 2026, FactoryRegistry lists 20,947 nonmetallic mineral product manufacturing facilities (NAICS 327) across 56 states, compiled from EPA, OSHA and Census records.

Which state has the most nonmetallic mineral product manufacturing facilities?

California, with 2,776 facilities listed.

How many nonmetallic mineral product manufacturing facilities are still operating?

6,682 of the 20,947 listed carry a recent operating signal in federal data — the register's Active or Likely active status. The rest are listed from their filings alone, which is a gap in the federal record rather than evidence that a plant has closed.