Linemaster Switch Corporation

29 Plaine Hill Rd, Woodstock, CT 06281

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 7 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Linemaster Switch Corporation

Their homepage, crawled JUL 2026

What they make

Relay and Industrial Control Manufacturing335314

footswitches
production
prototyping
medical
dental
agriculture
construction
food services
military
defense

NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026

Products

Made or handled here · 30

Arthroscope · Cardiac Ablation Percutaneous Catheter · Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Fibrillation · Catheter, Percutaneous, Cardiac Ablation, For Treatment Of Atrial Flutter · Computer, Diagnostic, Programmable · Drills, Burrs, Trephines & Accessories (Simple, Powered) · Drill, Surgical, Ent (Electric Or Pneumatic) Including Handpiece · Electrocautery, Gynecologic (And Accessories) · Electrosurgical, Cutting & Coagulation & Accessories · Endoscope, Neurological · Fastener, Fixation, Biodegradable, Soft Tissue · Generator, Lesion, Radiofrequency · Instrument, Biopsy · Instrument, Surgical, Orthopedic, Ac-Powered Motor And Accessory/Attachment · Instrument, Ultrasonic Surgical · Laser, Ophthalmic · Nasopharyngoscope (Flexible Or Rigid) · Orthopedic Stereotaxic Instrument · Percutaneous Cardiac Ablation Catheter For Treatment Of Atrial Fibrillation With Irreversible Electroporation · Pin, Fixation, Smooth · Suture, Nonabsorbable, Synthetic, Polyethylene · System, Ablation, Microwave And Accessories · System, Surgical, Computer Controlled Instrument · Unit, Electrosurgical And Coagulation, With Accessories · Air-Seal - Maintained · Air-Seal - Momentary · Airval - Classic · Cordset · footswitches · Protective Vinyl Boot

Where these came from

24 from FDA device registration · Federal registry

FDA device establishment 3001592626, product code HRX; proprietary names: AR-6483 Dual Wave Foot Control

6 from the company’s own website · Company website

json-ld on https://linemaster.com/products/footswitches/

CAREERS

Careers page — seen SEP 8, 2026

Where it is

41.93872, -71.97051 · CENSUS TIGER

COUNTY

Northeastern Connecticut County

METRO AREA

Putnam, CT

ON GOOGLE MAPS

Open this address

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Every listed plant in Northeastern Connecticut County

Also at this address

No other federal record shares this street address.

Where this record comes from

7 sources hold this plant, and 11 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, NCDB, NPDES, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.

FDA device establishment registrationsOPERATING
first seen AUG 2026 · last seen OCT 2026
The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record NCLCB9TERCF1 · first seen APR 2026 · last seen APR 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WmSx5AAF · first seen MAR 2026 · last seen MAR 2026
DOL Form 5500 retirement plan filingsOPERATING
Record 060673459|CT|06281|po box 238 · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|woodstock|29 plaine hill rd po box 238 · first seen APR 2020 · last seen JAN 2021
EPA Facility Registry ServiceEXISTENCE
Record 110002089098 · first seen FEB 2016 · last seen FEB 2016

IN NORTHEASTERN CONNECTICUT COUNTY2 other plants share this one’s industry (Electrical Equipment Manufacturing, NAICS 3353); 1 of them has 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: LINEMASTER SWITCH CORPORATION · JUL 2026 · ON THIS PAGE; SAM.gov: LINEMASTER SWITCH CORPORATION · APR 2026 · ON THIS PAGE
Street addressSOURCES DISAGREE: EPA: 29 PLAINE HILL ROAD · JUL 2026; SAM.gov: 29 PLAINE HILL RD · APR 2026 · ON THIS PAGE
City: EPA: WOODSTOCK · JUL 2026 · ON THIS PAGE; SAM.gov: WOODSTOCK · APR 2026 · ON THIS PAGE
State: EPA: CT · JUL 2026 · ON THIS PAGE; SAM.gov: CT · APR 2026 · ON THIS PAGE
Coordinates: EPA: 41.938724,-71.970509 · JUL 2026
Website: SAM.gov: http://www.linemaster.com · APR 2026
CAGE code: SAM.gov: 97918 · APR 2026
Retirement plan filing (Form 5500): DOL: 142 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-04, 163 jobs reported · APR 2020
SAM registration expires: SAM.gov: 2027-04-20 · APR 2026
State business registrationSOURCES DISAGREE: CT SOTS: LINEMASTER SWITCH CORPORATION, registered with the Connecticut Secretary of the State; Corporation; formed 1952-04-21; active, annual report filed 2026-03-26 · MAR 2026; TX Comptroller: LINEMASTER SWITCH CORPORATION, registered with the Texas Comptroller of Public Accounts; Corporation; active

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