Facility	City	Industry	Status	Distance
Zygo Corporation	Middlefield	Industrial Machinery Manufacturing 333295	LIKELY ACTIVE	2.1 KM
Proton Energy Systems INC	Wallingford	Industrial Gas Manufacturing 325120	ACTIVE	6.2 KM
Cyvek INC	Wallingford	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	6.2 KM
Mirion Technologies (canberra) INC	Meriden	Other Measuring and Controlling Device Manufacturing 334519	LIKELY ACTIVE	6.5 KM
Aperture Optical Sciences INC.	Meriden	Commercial and Service Industry Machinery Manufacturing 333310	ACTIVE	6.5 KM

Every listed plant in Lower Connecticut River Valley 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 ICIS, OSHA-OIS.

The company’s own websiteOPERATING
first seen OCT 2026 · last seen OCT 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WmTFzAAN · first seen FEB 2026 · last seen FEB 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 060844511|CT|06455|26 old indian trail · first seen DEC 2024 · last seen DEC 2024
SBA 7(a) and 504 loan recordsEXISTENCE
first seen AUG 2015 · last seen NOV 2022
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|middlefield|26 old indian trail · first seen APR 2020 · last seen MAR 2021
EPA Facility Registry ServiceEXISTENCE
Record 110070283605 · first seen SEP 2018 · last seen SEP 2018

IN LOWER CONNECTICUT RIVER VALLEY COUNTY8 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 4 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: RAMAR HALL, INC. · OCT 2026
Street address: EPA: 26 OLD INDIAN TRAIL · OCT 2026
City: EPA: MIDDLEFIELD · OCT 2026
State: EPA: CT · OCT 2026
Coordinates: EPA: 41.495251,-72.688482 · OCT 2026
Employees (band): DOL: 20-99 · DEC 2024
Website: CT SOTS: https://ramarhall.com/ · OCT 2026
Year established: CT SOTS: 1968 · MAR 1968
Retirement plan filing (Form 5500): DOL: 40 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-15, 41 jobs reported · APR 2020
SBA loans: SBA: 7a loan x2, jobs 31.0 · AUG 2015
State business registration: CT SOTS: RAMAR-HALL, INC., registered with the Connecticut Secretary of the State; Corporation; formed 1968-03-12; active, annual report filed 2026-02-10 · FEB 2026

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