K4 Machining LLC

217 Interstate Ln, Waterbury, CT 06705

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 4 SOURCES

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

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Their homepage, crawled JUL 2026

What they make

Machine Shops332710

precision CNC machining
metals
plastics
state-of-the-art equipment
advanced inspection techniques

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

CAREERS

Careers page — seen SEP 8, 2026

CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE

ISO 9001

Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.

Where it is

41.53095, -72.99264 · CENSUS TIGER

COUNTY

Naugatuck Valley County

METRO AREA

Waterbury-Shelton, CT

ON GOOGLE MAPS

Open this address

STREET VIEW

Open street-level view — MAY 2019

Other plants nearby

Facility	City	Industry	Status	Distance
Hartford Precision Products dba Waterbury Swiss Automatics	Waterbury	Precision Turned Product Manufacturing 332721	LIKELY ACTIVE	1.5 KM
Waterbury Swiss Automatics	Waterbury	Precision Turned Product Manufacturing 332721	UNVERIFIED	1.5 KM
Sheldon Precision, LLC	Prospect	Precision Turned Product Manufacturing 332721	ACTIVE	2.8 KM
Greer Manufacturing, INC.	Prospect	Machine Shops 332710	LIKELY ACTIVE	2.8 KM
Microbest INC	Waterbury	Precision Turned Product Manufacturing 332721	LIKELY ACTIVE	2.2 KM

Every listed plant in Naugatuck Valley 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 JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record SKRYQW8XKL18 · first seen JUN 2026 · last seen JUN 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WoFPPAA3 · first seen FEB 2026 · last seen FEB 2026
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|waterbury|217 interstate ln · first seen APR 2020 · last seen APR 2020

IN NAUGATUCK VALLEY COUNTY58 other plants share this one’s industry (Machine Shops; Turned Product; and Screw, Nut, and Bolt Manufacturing, NAICS 3327); 35 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: K4 MACHINING LLC · JUN 2026
Street address: SAM.gov: 217 INTERSTATE LN · JUN 2026
City: SAM.gov: WATERBURY · JUN 2026
State: SAM.gov: CT · JUN 2026
Coordinates: Census geocoder: 41.530953342861,-72.99264155874 · JUL 2026
Employees (band): SBA PPP: 1-19 · APR 2020
Website: SAM.gov: https://k4machining.com/ · JUN 2026
Year established: CT SOTS: 2018 · MAY 2018
CAGE code: SAM.gov: 8SEJ4 · JUN 2026
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-28, 6 jobs reported · APR 2020
SAM registration expires: SAM.gov: 2027-05-20 · JUN 2026
State business registration: CT SOTS: K4 MACHINING LLC, registered with the Connecticut Secretary of the State; Limited liability company; formed 2018-05-10; active, annual report filed 2026-02-09 · FEB 2026

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