Operating signal within 12 months from two or more independent sources.
What they make
Other Electronic Component Manufacturing334419- glovebox systems
- solvent purification
- cooling
- maintains
- stainless steel
- ovens
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
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
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Senra Systems, INC. | Redondo Beach | Other Electronic Component Manufacturing 334419 | ACTIVE | 1.3 KM |
| Cosmic Microwave Technology, INC. | Lawndale | Other Electronic Component Manufacturing 334419 | ACTIVE | 1.5 KM |
| Calpak USA INC | Hawthorne | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | LIKELY ACTIVE | 1.5 KM |
| Northrop Grumman Corporation | Hawthorne | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 1.9 KM |
| Northrop Grumman Systems Corporation | Redondo Beach | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | REPORTED CLOSED | 2.2 KM |
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.
EPA cross-references this facility in CARB-TCH · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord N6ATCT7U7K41 · first seen JAN 2026 · last seen JUN 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 952635478|CA|90250|4650 w rosecrans ave · first seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110071773134 · first seen AUG 2024 · last seen AUG 2024
IN LOS ANGELES COUNTY345 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 77 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: WEMS INC · JUL 2026 · ON THIS PAGE
- SAM.gov: WEMS, INC. · JUN 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 4652 W ROSECRANS AVE · JUL 2026
- SAM.gov: 4650 W ROSECRANS AVE · JUN 2026 · ON THIS PAGE
- City
- EPA: HAWTHORNE · JUL 2026 · ON THIS PAGE
- SAM.gov: HAWTHORNE · JUN 2026 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · JUN 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 06037 · SEP 2026
- Coordinates
- Census geocoder: 33.901837986981,-118.358617989586 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: http://www.vac-atm.com · JUN 2026
- CAGE code
- SAM.gov: 17260 · JUN 2026
- Retirement plan filing (Form 5500)
- DOL: 68 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-06-19 · JUN 2026
- State business registrationSOURCES DISAGREE
- CT SOTS: WEMS, INC., registered with the Connecticut Secretary of the State; Corporation formed in California; registered 2011-06-17; revoked 2023-12-07 · MAY 2020
- Sunbiz: WEMS, INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in California; registered 2012-03-13; revoked 2020-04-30 · APR 2020