Manufacturing of chemical, technical, and industrial pottery ware and all other pottery products, including pyrometric cones, veritas rings, etc.

Facility	City	State	Employees	Status
LELattice Electro Optics, INC.	Fullerton	CA	—	● ACTIVE
LTLloyd Table Company	Lisbon	IA	—	● ACTIVE
Mac Thin Films, INC.	Santa Rosa	CA	—	● ACTIVE
Mcdanel Advanced Ceramic Technologies, LLC	Beaver Falls	PA	—	● ACTIVE
Mindrum Precision INC.	Rancho Cucamonga	CA	—	● ACTIVE
Mo Sci LLC	Rolla	MO	20–99	● ACTIVE
OLOpco Laboratory, INC	Fitchburg	MA	—	● ACTIVE
Oran Safety Glass INC	Emporia	VA	—	● ACTIVE
Pacific Ceramics, INC.	Santa Clara	CA	—	● ACTIVE
Pickard INC	Antioch	IL	—	● ACTIVE
PGPlymouth Grating Laboratory, INC.	Carver	MA	—	● ACTIVE
Precision Electronic Glass, INC.	Vineland	NJ	—	● ACTIVE
Rayotek Scientific, LLC	San Diego	CA	—	● ACTIVE
San Jose Delta Associates LLC	Santa Clara	CA	—	● ACTIVE
Schott Pharma Usa, INC.	Lebanon	PA	100–499	● ACTIVE
Sierra Precision Optics INC	Auburn	CA	—	● ACTIVE
SSSpectrum Scientific Incorporated	Irvine	CA	—	● ACTIVE
Superior Technical Ceramics Corporation	Saint Albans	VT	—	● ACTIVE
Swift Glass CO INC	Elmira Heights	NY	20–99	● ACTIVE
United Lens Company, INC.	Southbridge	MA	—	● ACTIVE
AAccu-Glass	Saint Louis	MO	20–99	● ACTIVE
Adams & Chittenden Scientific Glass Cooperative CORP.	Berkeley	CA	—	● ACTIVE
Adva Cera, LLC	Broomfield	CO	—	● ACTIVE
APAdvanced Photonics International, INC.	Fairfield	CT	—	● ACTIVE
Aero Aggregates of North America LLC	Crum Lynne	PA	—	● ACTIVE

FactoryRegistry lists 1,348 facilities whose primary industry classification is one of the 2 industries above. This is a list by industry, not a list of makers: Census reports that establishments in these industries produced chemical, technical, and industrial pottery ware and all other pottery products, including pyrometric cones, veritas rings, etc., 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.