FactoryRegistry
Claim a page

Proton Energy Systems INC

10 Technology Dr, Wallingford, CT 06492

ACTIVELAST SEEN IN FEDERAL DATA JUN 2026 · 6 SOURCES

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

DirectionsGo to companyClaim this pageGet the badge

What they make

Industrial Gas Manufacturing325120

Products

Sold by PROTON ENERGY SYSTEMS INC · 6
Gas Generating And Dispensing Systems, Fixed Or Mobile · Generators And Generator Sets, Electrical · Laboratory Equipment And Supplies · Meteorological Instruments And Apparatus · Miscellaneous Electrical And Electronic Components · Miscellaneous Special Industry Machinery

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
6 from usaspending_psc · Federal registry
Supplied under federal award W911QX26PA019 (2026-03-05), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

Where it is

41.49062, -72.76236 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
North HavenNorth HavenIndustrial Gas Manufacturing
325120
LIKELY ACTIVE11.5 KM
Galen Laboratory Supplies LLCNorth HavenIn-Vitro Diagnostic Substance Manufacturing
325413
ACTIVE16.7 KM
Rnaconnect, INC.BranfordAll Other Basic Organic Chemical Manufacturing
325199
REPORTED CLOSED21.6 KM
Drytote LLCNew BritainOther Basic Inorganic Chemical Manufacturing
325180
ACTIVE21.8 KM
Kuehne New Haven LLCNew HavenSynthetic Dye and Pigment Manufacturing
325131
LIKELY ACTIVE21.3 KM

Every listed plant in South Central Connecticut County

Also at this address

No other federal record shares this street address.

Where this record comes from

6 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 NPDES, RCRAINFO, SIMS · EPA site type STATIONARY.

  • Connecticut Secretary of the State business registryOPERATING
    Record CT:001t000000WoB67AAF · first seen JUN 2026 · last seen JUN 2026
  • OSHA injury and illness reportsOPERATING
    Record 808494 · first seen DEC 2025 · last seen DEC 2025
  • SAM.gov entity registrationOPERATING
    Record HXVYJL2C8DY8 · first seen DEC 2025 · last seen DEC 2025
  • DOL Form 5500 retirement plan filingsOPERATING
    Record 611846104|CT|06492|10 technology dr · first seen DEC 2024 · last seen DEC 2024
  • SBA Paycheck Protection Program loan recordsEXISTENCE
    Record CT|wallingford|10 technology dr · first seen APR 2020 · last seen APR 2020
  • EPA Facility Registry ServiceEXISTENCE
    Record 110016683052 · first seen JAN 2016 · last seen JAN 2016

IN SOUTH CENTRAL CONNECTICUT COUNTY16 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 3 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: PROTON ENERGY SYSTEMS INC · JUL 2026 · ON THIS PAGE
SAM.gov: PROTON ENERGY SYSTEMS INC · DEC 2025 · ON THIS PAGE
Street address
EPA: 10 TECHNOLOGY DR · JUL 2026 · ON THIS PAGE
SAM.gov: 10 TECHNOLOGY DR · DEC 2025 · ON THIS PAGE
City
EPA: WALLINGFORD · JUL 2026 · ON THIS PAGE
SAM.gov: WALLINGFORD · DEC 2025 · ON THIS PAGE
State
EPA: CT · JUL 2026 · ON THIS PAGE
SAM.gov: CT · DEC 2025 · ON THIS PAGE
CoordinatesSOURCES DISAGREE
Census geocoder: 41.490624845029,-72.762362847451 · JUL 2026 · ON THIS PAGE
EPA: 41.49036,-72.76022 · JUL 2026
Employees (band)
OSHA: 100-499 · DEC 2025
CAGE code
SAM.gov: 1UZE7 · DEC 2025
Retirement plan filing (Form 5500)
DOL: 178 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan
SBA PPP: PPP loan x1, approved 2020-04-27, 97 jobs reported · APR 2020
SAM registration expires
SAM.gov: 2026-12-23 · DEC 2025
State business registration
CT SOTS: PROTON ENERGY SYSTEMS, INC., registered with the Connecticut Secretary of the State; Corporation formed in Delaware; registered 2017-06-07; active, annual report filed 2026-06-04 · JUN 2026

Report a correction · Request removal