Clay, glass, cement, and other nonmetallic minerals products contract manufacturing services, performed using materials owned by others (i.e., the customer)

Facility	City	State	Employees	Status
Gainey's Concrete Products, LLC	Holden	LA	—	● ACTIVE
Geiger Ready Mix CO INC	Leavenworth	KS	—	● ACTIVE
Granite Division, INC	Tyler	TX	—	● ACTIVE
Gulf Concrete Technology LLC	Long Beach	MS	—	● ACTIVE
H2 Pre-cast, INC	E Wenatchee	WA	—	● ACTIVE
Heartland Asphalt, INC	Mason City	IA	—	● ACTIVE
Heavy Materials LLC	Saint Thomas	VI	—	● ACTIVE
Hopkins Sand & Gravel, INC.	Webster	WI	20–99	● ACTIVE
Incom, INC.	Charlton	MA	—	● ACTIVE
Infinite Optics INC.	Santa Ana	CA	—	● ACTIVE
Ion Optics INC	Albany	NY	—	● ACTIVE
Island Ready-mix Concrete INC	Kapolei	HI	—	● ACTIVE
Jarrett Concrete Products and Supply, INC.	Ashland City	TN	—	● ACTIVE
Jones Brothers Marine Manufacturing, INC.	Morehead City	NC	—	● ACTIVE
KLKenneth Lynch & Sons, Incorporated	Oxford	CT	—	● ACTIVE
KIKie-con INC	Antioch	CA	20–99	● ACTIVE
Kilgore Companies, LLC	Salt Lake City	UT	—	● ACTIVE
LELattice Electro Optics, INC.	Fullerton	CA	—	● ACTIVE
Lebanon Ready Mix, INC.	Lebanon	MO	—	● ACTIVE
Los Alamos Transit Mix LLC	Los Alamos	NM	1–19	● ACTIVE
Mac Thin Films, INC.	Santa Rosa	CA	—	● ACTIVE
Malta Ready Mix Incorporated	Malta	MT	—	● ACTIVE
Materials INC	Bernalillo	NM	—	● ACTIVE
Mccann Concrete Products INC	Dorsey	IL	—	● ACTIVE
Meva Formwork Systems INC	Springfield	OH	—	● ACTIVE

FactoryRegistry lists 18,699 facilities whose primary industry classification is one of the 7 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced Clay, glass, cement, and other nonmetallic minerals products contract manufacturing services, performed using materials owned by others (i.e., the customer), in the shares shown above, and does not say which establishments. Where a plant’s own website or a federal registry names what that plant makes, it appears on the plant’s own page with the source named.