Amtec Corporation

4230 Capital Cir, Janesville, WI 53546

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

Ammunition (except Small Arms) Manufacturing332993

Products

Sold by AMTEC CORP · 2

Cartridge And Propellant Actuated Devices And Components · Miscellaneous Fire Control Equipment

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

2 from usaspending_psc · Federal registry

Supplied under federal award FA821322F3004 (2022-06-16), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

42.67357, -88.95690 · CENSUS TIGER

COUNTY

Rock County

METRO AREA

Janesville-Beloit, WI

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Other plants nearby

Facility	City	Industry	Status	Distance
Dsb Technologies, LLC	Janesville	Powder Metallurgy Part Manufacturing 332117	ACTIVE	1.8 KM
Jg Innovations, INC.	Janesville	Sheet Metal Work Manufacturing 332322	ACTIVE	5.3 KM
Hufcor, INC.	Janesville	Steel Product Manufacturing from Purchased Steel 331200	UNVERIFIED	5.6 KM
Airesafe International Usa, INC.	Janesville	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	ACTIVE	5.8 KM
American Farm Implement & Specialty INC	Janesville	Metal Can, Box, and Other Metal Container (Light Gauge) Manufacturing 332430	UNVERIFIED	5.5 KM

Every listed plant in Rock County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 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 RCRAINFO, WI-ESR · EPA site type STATIONARY.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record Y6PYN1Q8UKY7 · first seen SEP 2025 · last seen SEP 2026
OSHA injury and illness reportsOPERATING
Record 273650 · first seen DEC 2025 · last seen DEC 2025
EPA Facility Registry ServiceEXISTENCE
Record 110070634541 · first seen NOV 2019 · last seen NOV 2019

ALSO RECORDED ASAMTEC CORP

IN ROCK COUNTY4 other plants share this one’s industry (Other Fabricated Metal Product Manufacturing, NAICS 3329); 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.

NameSOURCES DISAGREE: EPA: AMTEC CORP · JUL 2026; SAM.gov: AMTEC CORPORATION · SEP 2026 · ON THIS PAGE
Street address: EPA: 4230 CAPITAL CIR · JUL 2026 · ON THIS PAGE; SAM.gov: 4230 CAPITAL CIR · SEP 2026 · ON THIS PAGE
City: EPA: JANESVILLE · JUL 2026 · ON THIS PAGE; SAM.gov: JANESVILLE · SEP 2026 · ON THIS PAGE
State: EPA: WI · JUL 2026 · ON THIS PAGE; SAM.gov: WI · SEP 2026 · ON THIS PAGE
County (FIPS code): EPA: 55105 · SEP 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 42.673573326035,-88.956897230492 · JUL 2026 · ON THIS PAGE; EPA: 42.67276,-88.95706 · JUL 2026
Employees (band): OSHA: 100-499 · DEC 2025
Website: SAM.gov: https://www.nationaldefensecorp.com · SEP 2026
CAGE code: SAM.gov: 03MS2 · SEP 2026
SAM registration expires: SAM.gov: 2027-08-31 · SEP 2026
State business registration: Sunbiz: AMTEC CORPORATION, registered with the Florida Department of State, Division of Corporations; Corporation formed in Wisconsin; registered 2026-04-20; active · APR 2026

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