PROTON ENERGY SYSTEMS INC (CT)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $18.20M
- $18,197,107under this UEI
- FY2026 obligations
- $850.16K†
- $850,159Provisional
- Awards and orders
- 113
- with positive net obligations2 IDV vehicles held
- Latest action
- Sep 23, 2026
- SAM.gov registration
- Active
- Registration expiration date Dec 23, 2026
Registration
- Doing business as
- NEL HYDROGEN US
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Aug 16, 1996 (30 years)
- Location
- Wallingford, CT
- State of incorporation
- Delaware
† FY2026 obligations (provisional; DoD awards signed after Jul 28, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 28, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI HXVYJL2C8DY8. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: $850,159 (provisional)
- FY2025: $414,630
- FY2024: $96,117
- FY2023: $144,482
- FY2022: $223,808
- FY2021: $86,028
- FY2020: $252,352
- FY2019: $666,614
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $536,173
- FY2017: $500,101
- FY2016: $597,946
- FY2015: $1,169,025
- FY2014: $1,103,928
- FY2013: $1,601,703
- FY2012: $3,220,970
- FY2011: $3,137,591
- FY2010: $354,146
- FY2009: $93,603
- FY2008: $3,147,732
Total across 19 fiscal years: $18,197,107
Top awarding agencies
- Department of Defense$10,945,133, 60.1%
- Department of Commerce$4,796,989, 26.4%
- Department of the Interior$1,217,976, 6.7%
- National Aeronautics and Space Administration$1,082,154, 5.9%
- Department of Justice$52,846, 0.3%
Top awarding sub-agencies
- Department of the Army$8,828,334, 48.5%
- National Oceanic and Atmospheric Administration$4,682,500, 25.7%
- Departmental Offices$1,217,976, 6.7%
- Department of the Navy$1,216,812, 6.7%
- National Aeronautics and Space Administration$1,082,154, 5.9%
Top NAICS by obligations
- 325120Industrial gas manufacturing$2,491,837, 13.7%
- 334516Analytical laboratory instrument manufacturing$1,787,079, 9.8%
- 335312Motor and generator manufacturing$963,553, 5.3%
Top product and service codes by obligations
- AC43R&d- defense system: tank/automotive (advanced development)$5,016,882, 27.6%
- AG92Other energy (applied/exploratory)$2,652,000, 14.6%
- 6115Generators and generator sets, electrical$2,228,398, 12.2%
- 6660Meteorological instruments and apparatus$1,798,091, 9.9%
- 6640Laboratory equipment and supplies$1,691,531, 9.3%
Capabilities
NAICS codes
- 325120Industrial Gas Manufacturing(primary)Small
- 334516Analytical Laboratory Instrument ManufacturingSmall
- 335999All Other Miscellaneous Electrical Equipment and Component ManufacturingSmall
- 541715E
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Capabilities & Services
Contracts
Latest awards and orders
- 1333MH26P0041Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M226P0236Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M226P0180Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M326F0113Delivery orderunder an indefinite delivery contract (IDC)Department of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M226P0145Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M326D0003Indefinite delivery contract (IDC)VehicleDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M226P0131Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M225P0182Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M325P0168Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- W911QX26PA019Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for PROTON ENERGY SYSTEMS INC lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
10 TECHNOLOGY DR
WALLINGFORD, CT, 06492
USA
Mailing Address
10 TECHNOLOGY DRIVE
WALLINGFORD, CT, 06492
USA
Government Business Contact
KENNETH KELLY
ACCOUNTING SUPERVISOR
10 TECHNOLOGY DRIVE
WALLINGFORD, CT, 06492
USA
Electronic Business Contact
JARROD GREENSPAN
CONTROLLER
10 TECHNOLOGY DRIVE
WALLINGFORD, CT, 06492
USA
Past Performance Contact
JARROD GREENSPAN
CONTROLLER
10 TECHNOLOGY DRIVE
WALLINGFORD, CT, 06492
USA
Government Business Alternate Contact
JARROD GREENSPAN
CONTROLLER
10 TECHNOLOGY DRIVE
WALLINGFORD, CT, 06492
USA
Electronic Business Alternate Contact
NOREEN ALLEN
ACCOUNTING MANAGER
10 TECHNOLOGY DRIVE
WALLINGFORD, CT, 06492
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
PROTON ENERGY SYSTEMS INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 23, 2026.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
Other contractors in Connecticut with primary NAICS 325120
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- Technical Gas Products, Inc.Wallingford, CT
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