G. S. E. Dynamics, INC.

What they make

• engineering
• precision machining
• welding
• painting
• finishing
• military

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

Where it is

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Every listed plant in Suffolk County

Also at this address

No other federal record shares this street address.

Where this record comes from

6 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 FIS, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

• The company’s own websiteOPERATING
  first seen JUL 2026 · last seen OCT 2026
• SAM.gov entity registrationOPERATING
  Record Z86FMF9P1KD6 · first seen OCT 2025 · last seen SEP 2026
• OSHA injury and illness reportsOPERATING
  Record 287786 · first seen DEC 2025 · last seen DEC 2025
• DOL Form 5500 retirement plan filingsOPERATING
  Record 112231252|NY|11788|25 corporate dr · first seen MAR 2025 · last seen MAR 2025
• SBA Paycheck Protection Program loan recordsEXISTENCE
  Record NY|hauppauge|25 corporate dr · first seen APR 2020 · last seen APR 2020
• EPA Facility Registry ServiceEXISTENCE
  Record 110008083082 · first seen DEC 2019 · last seen DEC 2019

ALSO RECORDED ASGSE Dynamics, Inc.; GSE DYNAMICS INC

IN SUFFOLK COUNTY67 other plants share this one’s industry (Aerospace Product and Parts Manufacturing, NAICS 3364); 20 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: GSE DYNAMICS INC · JUL 2026

SAM.gov: G. S. E. DYNAMICS, INC. · SEP 2026 · ON THIS PAGE

Street address

EPA: 25 CORPORATE DR · JUL 2026 · ON THIS PAGE

SAM.gov: 25 CORPORATE DR · SEP 2026 · ON THIS PAGE

City

EPA: HAUPPAUGE · JUL 2026 · ON THIS PAGE

SAM.gov: HAUPPAUGE · SEP 2026 · ON THIS PAGE

State

EPA: NY · JUL 2026 · ON THIS PAGE

SAM.gov: NY · SEP 2026 · ON THIS PAGE

County (FIPS code)

EPA: 36103 · SEP 2026

CoordinatesSOURCES DISAGREE

Census geocoder: 40.820057764292,-73.249263005745 · JUL 2026 · ON THIS PAGE

EPA: 40.82036,-73.25118 · JUL 2026

Employees (band)

OSHA: 20-99 · DEC 2025

Website

SAM.gov: http://www.gsedynamics.com · SEP 2026

CAGE code

SAM.gov: 29183 · SEP 2026

Retirement plan filing (Form 5500)

DOL: 82 active participants, plan year ending 2025-03-31, 1 plan(s) · MAR 2025

PPP loan

SBA PPP: PPP loan x1, approved 2020-04-07, 70 jobs reported · APR 2020

SAM registration expires

SAM.gov: 2027-09-17 · SEP 2026