RTH MECHANICAL CONTRACTORS INC (NH)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $10.17M
- $10,169,588under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 39
- with positive net obligations2 IDV vehicles held
- Latest action
- May 21, 2024
- SAM.gov registration
- Active
- Registration expiration date Mar 18, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Feb 1, 1986 (40 years)
- Location
- Dover, NH
- State of incorporation
- New Hampshire
- Website
- rthmechanical.com
† FY2026 obligations (provisional; DoD awards signed after Jul 23, 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 23, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI FQ8SWYUU91Y9. 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
- FY2024: -$381 (de-obligation)
- FY2022: $45,000
- FY2021: $81,003
- FY2020: $23,683
- FY2019: $2,466,233
- FY2018: $1,536,408
- FY2017: $324,373
- FY2016: $5,366,473
Show all 16 yearsEarlier years (FY2008–FY2015)
- FY2015: $38,886
- FY2014: $55,244
- FY2013: $44,346
- FY2012: $38,693
- FY2011: $46,157
- FY2010: $3,673
- FY2009: $47,250
- FY2008: $52,548
Total across 16 fiscal years: $10,169,588
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$9,766,979, 96.0%
- Department of Veterans Affairs$359,704, 3.5%
- Department of Agriculture$26,645, 0.3%
- Department of Homeland Security$8,600, 0.1%
- Department of Transportation$7,660, 0.1%
Top awarding sub-agencies
- Department of the Navy$9,732,289, 95.7%
- Department of Veterans Affairs$359,704, 3.5%
- Department of the Army$31,290, 0.3%
- Forest Service$26,645, 0.3%
- U.S. Coast Guard$8,600, 0.1%
Top NAICS by obligations
- 221330Steam and air-conditioning supply$2,379,776, 23.4%
- 238350Finish carpentry contractors$113,381, 1.1%
- 236220Commercial and institutional building construction$102,814, 1.0%
Top product and service codes by obligations
- Z2EDRepair or alteration of ship construction and repair facilities$6,570,151, 64.6%
- Z2NBRepair or alteration of heating and cooling plants$2,379,776, 23.4%
- Z2NZRepair or alteration of other utilities$639,197, 6.3%
- N041Installation of equipment- refrigeration, air conditioning, and air circulating equipment$129,738, 1.3%
- Z1DAMaintenance of hospitals and infirmaries$101,022, 1.0%
Capabilities
NAICS codes
- 236220Commercial and Institutional Building Construction(primary)Small
- 221112Fossil Fuel Electric Power GenerationSmall
- 221116Geothermal Electric Power GenerationSmall
- 221117Biomass Electric Power GenerationSmall
- 221210Natural Gas DistributionSmall
- 221310Water Supply and Irrigation SystemsSmall
Show all 12 NAICS codes6 more NAICS codes
- 221320Sewage Treatment FacilitiesSmall
- 221330Steam and Air-Conditioning Supply
- 236210Industrial Building ConstructionSmall
- 237110Water and Sewer Line and Related Structures ConstructionSmall
- 237120Oil and Gas Pipeline and Related Structures ConstructionSmall
- 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.
Business types self-reported in SAM.gov registration:
- Veteran-Owned Business
Product and service codes (PSC)
- 3433Other Services/Supplies
- 4310Other Services/Supplies
- 4320Other Services/Supplies
- 4520Other Services/Supplies
- 4610Other Services/Supplies
- H343Quality Control, Testing & Inspection
- H345Quality Control, Testing & Inspection
- H346Quality Control, Testing & Inspection
- J043Maintenance, Repair & Rebuilding
- J045Maintenance, Repair & Rebuilding
Federal Capability Statement
All Mechanical including HVAC, Plumbing, etc.
Capabilities & Services
Contracts
Latest awards and orders
- 36C24122P1084Purchase orderDepartment of Veterans AffairsLatest action
- 36C24121P0789Purchase orderDepartment of Veterans AffairsLatest action
- 36C24121P0375Purchase orderDepartment of Veterans AffairsLatest action
- 36C24118P2533Purchase orderDepartment of Veterans AffairsLatest action
- 36C24119P1084Purchase orderDepartment of Veterans AffairsLatest action
- VA24115P1685Purchase orderDepartment of Veterans AffairsLatest action
- 36C24118P1921Purchase orderDepartment of Veterans AffairsLatest action
- N4008519C3608Definitive contractDepartment of DefenseDepartment of the NavyLatest action
- N4008516C9314Definitive contractDepartment of DefenseDepartment of the NavyLatest action
- N4008518C9506Definitive contractDepartment of DefenseDepartment of the NavyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for RTH MECHANICAL CONTRACTORS 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
17 PRODUCTION DR
DOVER, NH, 03820
USA
Mailing Address
17 PRODUCTION DR
DOVER, NH, 03820
USA
Government Business Contact
RICHARD T HANSELL
CEO
17 PRODUCTION DRIVE
DOVER, NH, 03820
USA
Electronic Business Contact
SUZANNE MACIEJOWSKI
CONTROLLER
17 PRODUCTION DRIVE
DOVER, NH, 03820
USA
Past Performance Contact
RICHARD T HANSELL
PRESIDENT
17 Production Drive
Dover, NH, 03820
USA
Government Business Alternate Contact
RICHARD T HANSELL
CEO
17 PRODUCTION DRIVE
DOVER, NH, 03820
USA
Electronic Business Alternate Contact
STEVEN SACHARCZYK
PRESIDENT
17 PRODUCTION DRIVE
DOVER, NH, 03820
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
RTH MECHANICAL CONTRACTORS INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 18, 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 — MASSACHUSETTS~MAINE~NEW HAMPSHIRE
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 Hampshire with primary NAICS 236220
- Monument Construction Services, LLCHudson, NH
- Diversified Site Services LLCMerrimack, NH
- Schroeder Construction Management IncNashua, NH
- Carrigg Commercial Builders LLCManchester, NH
- Swan Contracting LLCPeterborough, NH
- Monument Construction LLCHudson, NH