TANTARA ASSOCIATES CORP (MA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $189.67M
- $189,673,788under this UEI
- FY2026 obligations
- $26.42K†
- $26,416Provisional
- Awards and orders
- 400
- with positive net obligations27 IDV vehicles held
- Latest action
- Jun 16, 2026
- SAM.gov registration
- Active
- Registration expiration date Jan 14, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Feb 1, 2000 (26 years)
- Location
- Marlborough, MA
- State of incorporation
- Massachusetts
- Website
- tantaracorp.com
† FY2026 obligations (provisional; DoD awards signed after Jul 25, 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 25, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI NEXBSWDG9MF1. 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: $26,416 (provisional)
- FY2025: $6,166
- FY2024: $1,014,039
- FY2023: $3,483,426
- FY2022: $19,832,597
- FY2021: $19,305,454
- FY2020: $13,461,553
- FY2019: $21,968,056
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $23,461,441
- FY2017: $7,874,429
- FY2016: $24,091,531
- FY2015: $22,388,472
- FY2014: $12,499,260
- FY2013: $6,468,648
- FY2012: $5,037,138
- FY2011: $4,681,803
- FY2010: $3,404,421
- FY2009: $490,200
- FY2008: $178,740
Total across 19 fiscal years: $189,673,788
Top awarding agencies
- Department of Defense$148,843,160, 78.5%
- Department of Homeland Security$33,885,395, 17.9%
- Department of the Interior$4,370,687, 2.3%
- General Services Administration$2,279,219, 1.2%
- Department of Agriculture$267,931, 0.1%
Top awarding sub-agencies
- Department of the Navy$82,361,481, 43.4%
- Department of the Army$41,114,032, 21.7%
- U.S. Coast Guard$33,885,395, 17.9%
- Department of the Air Force$25,367,647, 13.4%
- National Park Service$4,347,687, 2.3%
Top NAICS by obligations
- 236220Commercial and institutional building construction$106,858,155, 56.3%
- 237990Other heavy and civil engineering construction$18,879,855, 10.0%
- 236210Industrial building construction$13,410,030, 7.1%
- 562910Remediation services$10,525,963, 5.5%
- 238910Site preparation contractors$8,404,495, 4.4%
Top product and service codes by obligations
- Z2AZRepair or alteration of other administrative facilities and service buildings$18,650,980, 9.8%
- Z2AARepair or alteration of office buildings$17,234,567, 9.1%
- Y1PDConstruction of waste treatment and storage facilities$9,858,893, 5.2%
- Z1AZMaintenance of other administrative facilities and service buildings$9,501,201, 5.0%
- Y1JZConstruction of miscellaneous buildings$8,678,076, 4.6%
Capabilities
NAICS codes
- 236220Commercial and Institutional Building Construction(primary)Small
- 236210Industrial Building ConstructionSmall
- 237110Water and Sewer Line and Related Structures ConstructionSmall
- 237130Power and Communication Line and Related Structures ConstructionSmall
- 237310Highway, Street, and Bridge ConstructionSmall
- 237990E
Show all 14 NAICS codes8 more NAICS codes
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:
- Self Certified Small Disadvantaged Business
- Women-Owned Small Business
- Woman-Owned Business
Product and service codes (PSC)
- 4235Other Services/Supplies
- F109Natural Resources & Conservation
- P400Salvage Services
- P500Salvage Services
Federal Capability Statement
Full service remedial construction contractor with significant federal & private exp. OSHA 40 certified, heavy equipment. Asbestos and RAD certified. Site work, trans and disposal of Haz and Non-Hazardous Substances. Thermal Treatment.
Capabilities & Services
Contracts
Latest awards and orders
- N4008521D0057Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- N4008518F4234Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- W912WJ21D0007Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- N4008521F6370Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- W912WJ22F0140Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- 70Z0G123FABCD0031Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Coast GuardLatest action
- 70Z0G118DPRV16900Indefinite delivery contract (IDC)VehicleDepartment of Homeland SecurityU.S. Coast GuardLatest action
- N4008522F6588Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- 70Z0G124FCEUP0005Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Coast GuardLatest action
- 70Z0G124DCEUP0005Indefinite delivery contract (IDC)VehicleDepartment of Homeland SecurityU.S. Coast GuardLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for TANTARA ASSOCIATES CORP 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
28 LORD RD STE 215
MARLBOROUGH, MA, 01752
USA
Mailing Address
2 GREENLEAF WOODS DRIVE
302
PORTSMOUTH, NH, 03801
USA
Government Business Contact
DAWN A DEARBORN
PRESIDENT
2 GREENLEAF WOODS DR
UNIT 302
PORTSMOUTH, NH, 03801
USA
Electronic Business Contact
Dawn A Dearborn
President
2 Greenleaf Woods Dr
Suite 302
Portsmouth, NH, 03801
USA
Past Performance Contact
DAWN A DEARBORN
PRESIDENT
28 LORD ROAD
215
MARLBOROUGH, MA, 01752
USA
Government Business Alternate Contact
DAWN A DEARBORN
PRESIDENT
2 GREENLEAF WOODS DR
SUITE 302
PORTSMOUTH, NH, 03801
USA
Past Performance Alternate Contact
0003 237990YY ~238990NN ~562910YY N
0000
0001
E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
TANTARA ASSOCIATES CORP has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires January 14, 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 — Nationwide
Bonding Information
Bonding information on file
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
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