Vandemark Chemical INC

1 N Transit Rd, Lockport, NY 14094

REPORTED CLOSEDLAST SEEN IN FEDERAL DATA OCT 2026 · 4 SOURCES

A closure has been reported but not corroborated.

WARN ACT NOTICE FILED WITH THE STATE

Plant closing notice effective MAY 25, 2026 · filed FEB 24, 2026 · Closure — this notice is why the plant is listed as reported closed

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

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What they make

All Other Basic Organic Chemical Manufacturing325199

Where it is

43.18371, -78.69689 · CENSUS TIGER

COUNTY

Niagara County

METRO AREA

Buffalo-Cheektowaga, NY

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Other plants nearby

Facility	City	Industry	Status	Distance
Isochem INC	Lockport	Other Basic Inorganic Chemical Manufacturing 325181	LIKELY ACTIVE	0.0 KM
Twin Lake Chemical, INC.	Lockport	All Other Basic Organic Chemical Manufacturing 325199	LIKELY ACTIVE	0.2 KM
Vanchlor CO INC	Lockport	Other Basic Inorganic Chemical Manufacturing 325180	LIKELY ACTIVE	0.4 KM
Van De Mark Chem CO INC Ind Landfill	Lockport	Other Basic Inorganic Chemical Manufacturing 325188	LIKELY ACTIVE	1.7 KM
Nouryon Functional Chemicals Burt Plant	Burt	All Other Basic Organic Chemical Manufacturing 325199	UNVERIFIED	14.4 KM

Every listed plant in Niagara County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
State WARN plant-closing and layoff noticesCLOSURE
first seen MAY 2026 · last seen MAY 2026
SAM.gov entity registrationOPERATING
Record XCJMS1KTJNN9 · first seen APR 2026 · last seen APR 2026
OSHA injury and illness reportsOPERATING
Record 1418181 · first seen DEC 2025 · last seen DEC 2025

IN NIAGARA COUNTY21 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 7 of them have 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: SAM.gov: VANDEMARK CHEMICAL INC · APR 2026
Street address: SAM.gov: 1 N TRANSIT RD · APR 2026
City: SAM.gov: LOCKPORT · APR 2026
State: SAM.gov: NY · APR 2026
Coordinates: Census geocoder: 43.183709947674,-78.696893898462 · JUL 2026
Employees (band): OSHA: 20-99 · DEC 2025
Website: SAM.gov: http://www.vdmchemical.com · APR 2026
CAGE code: SAM.gov: 1ZH05 · APR 2026
SAM registration expires: SAM.gov: 2027-04-18 · APR 2026

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