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Stellant Systems INC

1035 Westminster Dr, Williamsport, PA 17701

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 5 SOURCES

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

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Homepage of Stellant Systems INC
Their homepage, crawled JUL 2026

What they make

Other Electronic Component Manufacturing334419
  • RF components
  • control components
  • electronic power conditioners
  • limiters
  • switches
  • klystrons
  • magnetrons
  • traveling-wave tubes
  • defense
  • ETL Testing Services

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

Products

Sold by STELLANT SYSTEMS INC · 15
Aircraft Maintenance And Repair Shop Specialized Equipment · Amplifiers · Antennas, Waveguides, And Related Equipment · Communications Security Equipment And Components · Electrical And Electronic Assemblies, Boards, Cards, And Associated Hardware · Electron Tubes And Associated Hardware · Filters And Networks · Hardware, Commercial · Microcircuits, Electronic · Miscellaneous Aircraft Accessories And Components · Miscellaneous Communication Equipment · Radar Equipment, Airborne · Radio And Television Communication Equipment, Airborne · Structural Shapes · Switches

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
15 from usaspending_psc · Federal registry
Supplied under federal award N0038324PTL41 (2024-08-12), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Open positions

Openings read from Stellant Systems INC’s own job board on iCIMS, last checked OCT 24, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

OTHER OPENINGS AT STELLANT SYSTEMS INC, NOT MATCHED TO THIS PLANT

39 more on the company’s board

CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE

  • AS9100
  • 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

41.25193, -76.95963 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Primus Tech/wmspt PltWilliamsportOther Electronic Component Manufacturing
334419
 UNVERIFIED8.1 KM
Spartronics Williamsport, INC.WilliamsportBare Printed Circuit Board Manufacturing
334412
 ACTIVE8.5 KM

Every listed plant in Lycoming County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 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 BR, NCDB, NPDES, PA-EFACTS, RCRAINFO, TRIS · EPA site type STATIONARY.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record P4ZHAFDLJ616 · first seen APR 2026 · last seen APR 2026
  • OSHA injury and illness reportsOPERATING
    Record 1358122 · first seen DEC 2025 · last seen DEC 2025
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2024 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110000334308 · first seen DEC 2017 · last seen DEC 2017

ALSO RECORDED ASSTELLANT SYSTEMS

IN LYCOMING COUNTY2 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 0 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.

NameSOURCES DISAGREE
EPA: STELLANT SYSTEMS · JUL 2026
SAM.gov: STELLANT SYSTEMS INC · APR 2026 · ON THIS PAGE
Street address
EPA: 1035 WESTMINSTER DR · JUL 2026 · ON THIS PAGE
SAM.gov: 1035 WESTMINSTER DR · APR 2026 · ON THIS PAGE
City
EPA: WILLIAMSPORT · JUL 2026 · ON THIS PAGE
SAM.gov: WILLIAMSPORT · APR 2026 · ON THIS PAGE
State
EPA: PA · JUL 2026 · ON THIS PAGE
SAM.gov: PA · APR 2026 · ON THIS PAGE
County (FIPS code)
EPA: 42081 · SEP 2026
Coordinates
EPA: 41.25193,-76.95963 · JUL 2026
Employees (band)
OSHA: 100-499 · DEC 2025
Website
SAM.gov: https://stellantsystems.com · APR 2026
Year established
Company website: 2021 · AUG 2026
CAGE code
SAM.gov: 89146 · APR 2026
SAM registration expires
SAM.gov: 2027-04-14 · APR 2026

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