FactoryRegistry
Claim a page

Si Group

1000 Main Street, Route 5s, Rotterdam Junction, NY 12150

LIKELY ACTIVELAST SEEN IN FEDERAL DATA FEB 2026 · 3 SOURCES

Operating signal within 24 months, or from a single source.

DirectionsClaim this pageGet the badge

What they make

All Other Basic Organic Chemical Manufacturing325199

Where it is

42.86064, -74.02505 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Silar LaboratoriesScotiaAll Other Basic Organic Chemical Manufacturing
325199
UNVERIFIED8.2 KM
Plug Power INC.SlingerlandsAll Other Miscellaneous Electrical Equipment and Component Manufacturing
335999
LIKELY ACTIVE27.9 KM
Free Form Fibers L.l.c.Saratoga SpringsArtificial and Synthetic Fibers and Filaments Manufacturing
325220
ACTIVE27.8 KM
Linde LLCFeura BushIndustrial Gas Manufacturing
325120
UNVERIFIED34.1 KM
Polyset Company, INC.MechanicvilleAdhesive Manufacturing
325520
ACTIVE28.5 KM

Every listed plant in Schenectady County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 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 AIR, AIRS/AFS, BR, CEDRI, E-GGRT, EIS, FIS, ICIS, NPDES, OSHA-OIS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

  • EPA ECHO compliance recordsOPERATING
    first seen FEB 2026 · last seen FEB 2026
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2023 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110000324382 · first seen JUN 2017 · last seen JUN 2017

IN SCHENECTADY COUNTY1 other plant shares this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 0 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
EPA: SI GROUP · OCT 2026
Street address
EPA: 1000 MAIN STREET · OCT 2026
City
EPA: ROTTERDAM JUNCTION · OCT 2026
State
EPA: NY · OCT 2026
County (FIPS code)
EPA: 36093 · OCT 2026
Coordinates
EPA: 42.860644,-74.025053 · OCT 2026
Hazardous waste generator (RCRA)
EPA ECHO: LQG · OCT 2026

Report a correction · Request removal