Facility	City	Industry	Status	Distance
Sms Industries LLC	Hamden	Sheet Metal Work Manufacturing 332322	UNVERIFIED	0.5 KM
Nessel LLC	New Haven	Institutional Furniture Manufacturing 337127	LIKELY ACTIVE	4.1 KM
Bilco Company the	New Haven	Metal Window and Door Manufacturing 332321	ACTIVE	4.0 KM
Porobond Products, LLC	Hamden	Power Boiler and Heat Exchanger Manufacturing 332410	ACTIVE	4.2 KM
Hb Ives	New Haven	Ornamental and Architectural Metal Work Manufacturing 332323	UNVERIFIED	4.5 KM

Every listed plant in South Central Connecticut County

Also at this address

No other federal record shares this street address.

Where this record comes from

6 sources hold this plant, and 12 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, NPDES, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.

Connecticut Secretary of the State business registryCLOSURE
Record CT:001t000000WmSjmAAF · first seen SEP 2026 · last seen SEP 2026
EPA ECHO compliance recordsOPERATING
first seen JUN 2026 · last seen AUG 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
DOL Form 5500 retirement plan filingsOPERATING
Record 060610763|CT|06517|75 leeder hill dr · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|hamden|75 leeder hill dr · first seen APR 2020 · last seen FEB 2021
EPA Facility Registry ServiceEXISTENCE
Record 110000316872 · first seen DEC 2015 · last seen DEC 2015

IN SOUTH CENTRAL CONNECTICUT COUNTY19 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 6 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: LEED-HIMMEL INDUSTRIES, INC. · OCT 2026
Street address: EPA: 75 LEEDER HILL DR. · OCT 2026
City: EPA: HAMDEN · OCT 2026
State: EPA: CT · OCT 2026
Coordinates: EPA: 41.34447,-72.9266 · OCT 2026
Employees (band): DOL: 20-99 · DEC 2024
Website: CT SOTS: http://leed-himmel.com/ · OCT 2026
Year established: CT SOTS: 1946 · FEB 1946
Retirement plan filing (Form 5500): DOL: 23 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2021-02-02, 78 jobs reported · FEB 2021
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026
State business registration: CT SOTS: LEED - HIMMEL INDUSTRIES, INC., registered with the Connecticut Secretary of the State; Corporation; formed 1946-02-11; dissolved 2026-09-30 · JAN 2026

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