Zoltek Corporation

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Rsm Capital Group LLC	O Fallon	Broadwoven Fabric Mills 313210	● ACTIVE	7.1 KM
Fin-con Assembly Group, INC.	O Fallon	Other Communication and Energy Wire Manufacturing 335929	◐ LIKELY ACTIVE	7.4 KM
ZCZoltek Corporation	Saint Charles	Carbon and Graphite Product Manufacturing 335991	◇ UNVERIFIED	12.6 KM
CICenturion Investments INC	Chesterfield	Aircraft Manufacturing 336411	● ACTIVE	16.0 KM
Marktek INC.	Chesterfield	Fabric Coating Mills 313320	● ACTIVE	18.6 KM

Every listed plant in St. Charles County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in BR, MO-DNR, OSHA-OIS, TRIS · EPA site type STATIONARY.

• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110003974209 · first seen JUN 2016 · last seen JUN 2017

ALSO RECORDED ASZOLTEK CORP

IN ST. CHARLES COUNTY3 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 1 of them has a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: ZOLTEK CORPORATION · OCT 2026

Street address

EPA: 27 GUENTHER BLVD · OCT 2026

City

EPA: SAINT PETERS · OCT 2026

State

EPA: MO · OCT 2026

County (FIPS code)

EPA: 29183 · OCT 2026

Coordinates

EPA: 38.80797,-90.64211 · OCT 2026