Facility	City	Industry	Status	Distance
Spectrum Machine & Design, LLC	Windsor Locks	Machine Shops 332710	ACTIVE	2.3 KM
Hamilton Sundstrand Corporation	Windsor Locks	Aircraft Engine and Engine Parts Manufacturing 336412	ACTIVE	2.2 KM
United Gear and Machine Co, INC	Suffield	Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing 333612	ACTIVE	3.6 KM
Coorstek, INC.	East Granby	Pottery, Ceramics, and Plumbing Fixture Manufacturing 327110	LIKELY ACTIVE	3.6 KM
Mb Aerospace East Granby, Limited Partnership	East Granby	Aircraft Engine and Engine Parts Manufacturing 336412	ACTIVE	3.6 KM

Every listed plant in Capitol County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 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.

The company’s own websiteOPERATING
first seen OCT 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record YA1JMJUMMM99 · first seen JUN 2026 · last seen JUN 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WmXzYAAV · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 060853646|CT|06096|545 spring st · first seen DEC 2024 · last seen DEC 2024

IN CAPITOL COUNTY135 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 71 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: AIW-ALTON INC · JUN 2026
Street address: SAM.gov: 545 SPRING ST UNIT E · JUN 2026
City: SAM.gov: WINDSOR LOCKS · JUN 2026
State: SAM.gov: CT · JUN 2026
Coordinates: Census geocoder: 41.932123025611,-72.664783945027 · JUL 2026
Employees (band): DOL: 1-19 · DEC 2024
Website: CT SOTS: https://aiwalton.com/ · OCT 2026
Year established: CT SOTS: 1981 · DEC 1981
CAGE code: SAM.gov: 84027 · JUN 2026
Retirement plan filing (Form 5500): DOL: 7 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
SAM registration expires: SAM.gov: 2027-06-05 · JUN 2026
State business registration: CT SOTS: AIW-ALTON, INC., registered with the Connecticut Secretary of the State; Corporation; formed 1981-12-30; active, annual report filed 2025-12-26 · DEC 2025

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