Operating signal within 12 months from two or more independent sources.
What they make
Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing334220- antenna systems
- military
- commercial applications
- antennas
- Magnetic Flux Channel
- 2 MHz
- 40 GHz
- mechanical design
- qualification
- TATF
- chambers
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
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- AS9100
Read from this company’s own website on September 11, 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
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Ball & Ball Communications INC | Laurel | Other Communications Equipment Manufacturing 334290 | ACTIVE | 0.3 KM |
| C.r. International INC. | Laurel | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | LIKELY ACTIVE | 3.5 KM |
| Motorola Solutions INC | Beltsville | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | LIKELY ACTIVE | 3.8 KM |
| Antenna Research Associates, Incorporated | Laurel | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 5.5 KM |
| Antenna Research Associates INC | Beltsville | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | UNVERIFIED | 5.4 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 9 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 TRIS · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord L3CKH2FY5MM2 · first seen NOV 2025 · last seen NOV 2025
- EPA Facility Registry ServiceEXISTENCERecord 110070827831 · first seen AUG 2020 · last seen AUG 2020
IN PRINCE GEORGE'S COUNTY11 other plants share this one’s industry (Communications Equipment Manufacturing, NAICS 3342); 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: JEM ENGINEERING LLC · JUL 2026 · ON THIS PAGE
- SAM.gov: JEM ENGINEERING, LLC · NOV 2025 · ON THIS PAGE
- Street address
- EPA: 8683 CHERRY LN · JUL 2026 · ON THIS PAGE
- SAM.gov: 8683 CHERRY LN · NOV 2025 · ON THIS PAGE
- City
- EPA: LAUREL · JUL 2026 · ON THIS PAGE
- SAM.gov: LAUREL · NOV 2025 · ON THIS PAGE
- State
- EPA: MD · JUL 2026 · ON THIS PAGE
- SAM.gov: MD · NOV 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 24033 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 39.090086966886,-76.855643332266 · JUL 2026 · ON THIS PAGE
- EPA: 39.08998,-76.85549 · JUL 2026
- Website
- SAM.gov: http://www.jemengineering.com · NOV 2025
- CAGE code
- SAM.gov: 3B6J2 · NOV 2025
- SAM registration expires
- SAM.gov: 2026-11-29 · NOV 2025