HEAT TRANSFER SOLUTIONS INC (TX)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $423.73K
- $423,727under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 11
- with positive net obligations1 IDV vehicle held
- Latest action
- Sep 19, 2025
- SAM.gov registration
- Active
- Registration expiration date Dec 10, 2026
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Nov 14, 2013 (12 years)
- Location
- Houston, TX
- State of incorporation
- Texas
- Website
- hts.com
† FY2026 obligations (provisional; DoD awards signed after Jul 24, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI MSKHEPJMMH69. 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
- FY2025: $53,543
- FY2024: $63,763
- FY2023: $15,927
- FY2022: $73,162
- FY2021: $15,228
- FY2019: $149,969
- FY2018: $10,000
- FY2016: $2,775
Show all 10 yearsEarlier years (FY2008–FY2015)
- FY2015: $36,145
- FY2008: $3,215
Total across 10 fiscal years: $423,727
Top awarding agencies
- Department of the Interior$249,421, 58.9%
- Department of Justice$105,125, 24.8%
- Department of Veterans Affairs$47,264, 11.2%
- Department of Defense$19,142, 4.5%
- Department of Homeland Security$2,775, 0.7%
Top awarding sub-agencies
- U.S. Fish and Wildlife Service$249,421, 58.9%
- Federal Prison System / Bureau of Prisons$105,125, 24.8%
- Department of Veterans Affairs$47,264, 11.2%
- Department of the Air Force$15,927, 3.8%
- Department of the Army$3,215, 0.8%
Top NAICS by obligations
Top product and service codes by obligations
- 4110Refrigeration equipment$149,969, 35.4%
- J059Maint/repair/rebuild of equipment- electrical and electronic equipment components$68,980, 16.3%
- Z1AAMaintenance of office buildings$51,126, 12.1%
- Z2AARepair or alteration of office buildings$48,326, 11.4%
- 4120Air conditioning equipment$36,145, 8.5%
Capabilities
NAICS codes
- 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing(primary)Small
- 238220Plumbing, Heating, and Air-Conditioning Contractors
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Product and service codes (PSC)
- H945Quality Control, Testing & Inspection
- J041Maintenance, Repair & Rebuilding
- J045Maintenance, Repair & Rebuilding
- N041Installation of Equipment
Contracts
Latest awards and orders
- 140FS225P0336Purchase orderDepartment of the InteriorU.S. Fish and Wildlife ServiceLatest action
- 15B50125P00000042Purchase orderDepartment of JusticeFederal Prison System / Bureau of PrisonsLatest action
- 15B50124P00000085Purchase orderDepartment of JusticeFederal Prison System / Bureau of PrisonsLatest action
- FA301623P0019Purchase orderDepartment of DefenseDepartment of the Air ForceLatest action
- 140F0122P0015Purchase orderDepartment of the InteriorU.S. Fish and Wildlife ServiceLatest action
- 36C78622C0020Definitive contractDepartment of Veterans AffairsLatest action
- 36C78621P0284Purchase orderDepartment of Veterans AffairsLatest action
- 140F0219P0108Purchase orderDepartment of the InteriorU.S. Fish and Wildlife ServiceLatest action
- 191BWC19P0072Purchase orderDepartment of StateInternational Boundary and Water Commission: U.S.-MexicoLatest action
- GS21F088BAFederal supply schedule (FSS)VehicleGeneral Services AdministrationFederal Acquisition ServiceLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for HEAT TRANSFER SOLUTIONS INC lists a physical address and a separate mailing address, along with 3 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
3350 YALE ST
HOUSTON, TX, 77018
USA
Mailing Address
3350 YALE ST
HOUSTON, TX, 77018
USA
Government Business Contact
TODD MCCULLOUGH
3350 YALE STREET
HOUSTON, TX, 77018
USA
Electronic Business Contact
Jeff Mamaux
3350 Yale Street
Houston, TX, 77018
USA
Government Business Alternate Contact
JEFF MAMAUX
3350 YALE STREET
HOUSTON, TX, 77018
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
HEAT TRANSFER SOLUTIONS INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires December 10, 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
Registered for disaster relief contracting — TEXAS
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 Texas with primary NAICS 333415
- Texas Heat Exchange LLCIrving, TX
- DWD International, LLCHouston, TX
- United Refrigeration IncAbilene, TX
- Codab International LLCKaty, TX
- United Refrigeration IncWaco, TX
- Integra Mission Critical LLCDallas, TX · SAM.gov registration Expired