GREATER NIAGARA MECHANICAL INC. (NY)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2009
- $2.22M
- $2,222,374under this UEI
- FY2026 obligations
- $24.19K†
- $24,195Provisional
- Awards and orders
- 26
- with positive net obligations1 IDV vehicle held
- Latest action
- Jul 6, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 12, 2027
Registration
- Doing business as
- GREATER NIAGARA MECHANICA
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Mar 5, 2007 (19 years)
- Location
- North Tonawanda, NY
- State of incorporation
- New York
- Website
- greaterniagaramech.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 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 27, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI WGK4BWQWHM24. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2009. 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: $24,195 (provisional)
- FY2025: $62,424
- FY2024: $51,952
- FY2023: $59,049
- FY2022: $276,300
- FY2021: $53,159
- FY2020: $59,712
- FY2019: $159,058
Show all 17 yearsEarlier years (FY2009–FY2018)
- FY2018: $253,835
- FY2017: $301,615
- FY2016: $64,500
- FY2015: $244,826
- FY2014: $71,257
- FY2013: $368,251
- FY2012: $91,606
- FY2011: $55,735
- FY2009: $24,900
Total across 17 fiscal years: $2,222,374
Top awarding agencies
- Department of Defense$1,872,955, 84.3%
- Department of Commerce$349,419, 15.7%
Top awarding sub-agencies
- Department of the Army$1,784,755, 80.3%
- National Oceanic and Atmospheric Administration$349,419, 15.7%
- Department of the Air Force$88,200, 4.0%
Top NAICS by obligations
- 238220Plumbing, heating, and air-conditioning contractors$1,394,911, 62.8%
- 236220Commercial and institutional building construction$785,563, 35.3%
- 333912Air and gas compressor manufacturing$18,300, 0.8%
Top product and service codes by obligations
- Y1AAConstruction of office buildings$785,563, 35.3%
- J045Maint/repair/rebuild of equipment- plumbing, heating, and waste disposal equipment$659,312, 29.7%
- J041Maint/repair/rebuild of equipment- refrigeration, air conditioning, and air circulating equipment$232,153, 10.4%
- Z1JZMaintenance of miscellaneous buildings$220,388, 9.9%
- Z1AAMaintenance of office buildings$165,812, 7.5%
Capabilities
NAICS codes
- 238220Plumbing, Heating, and Air-Conditioning Contractors(primary)Small
- 236220Commercial and Institutional Building ConstructionSmall
- 334512Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance UseSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Federal Capability Statement
Heating and Air Conditioning Construction/Services
Capabilities & Services
Contracts
Latest awards and orders
- W912P424P0005Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- 1305M326P0041Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- 1305M321PNWWN0115Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- W912P419P0003Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W50S8Q22C0002Definitive contractDepartment of DefenseDepartment of the ArmyLatest action
- DOCEA133W16SE0571Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- FA667019CA014Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- FA667019CA013Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- DOCEA133W11SE0005Purchase orderDepartment of CommerceNational Oceanic and Atmospheric AdministrationLatest action
- W15QKN18P1154Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for GREATER NIAGARA MECHANICAL 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
7311 WARD RD
NORTH TONAWANDA, NY, 14120
USA
Mailing Address
7311 WARD ROAD
NORTH TONAWANDA, NY, 14120
USA
Government Business Contact
SAMUEL V PREZIOSO
VICE PRESIDENT
7311 WARD ROAD
NORTH TONAWANDA, NY, 14120
USA
Electronic Business Contact
RODNEY SIEGMANN
PRESIDENT
7311 WARD ROAD
NORTH TONAWANDA, NY, 14120
USA
Past Performance Contact
RODNEY SIEGMANN
PRESIDENT
7311 WARD ROAD
NORTH TONAWANDA, NY, 14120
USA
Government Business Alternate Contact
SAMUEL V PREZIOSO
VICE PRESIDENT
7311 WARD ROAD
NORTH TONAWANDA, NY, 14120
USA
Electronic Business Alternate Contact
RODNEY SIEGMANN
PRESIDENT
7311 WARD ROAD
NORTH TONAWANDA, NY, 14120
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
GREATER NIAGARA MECHANICAL INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 12, 2027.
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
Registered for disaster relief contracting — NEW YORK~NEW YORK~NEW YORK~null~null~NEW YORK
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 New York with primary NAICS 238220
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- Colonie Mechanical Contractors, Inc.Colonie, NY
- Staubach Barror Water Systems IncSchenectady, NY
- Homan & Homan Air Conditioning & Heating Corp.Farmingdale, NY
- Eastern Heating & Cooling, Inc.Albany, NY
- Rckwell LLCFarmingdale, NY