UEI: JK4YKJJ2R8H1 • CAGE: 1WW40

Active

SUBSTRUCTURE INC (NH)

Registration and award facts

SAM.gov registration as of Sep 25, 2026

Net obligations recorded since FY2010 under this UEI: $182,090 across 7 awards and orders with positive net obligations.

SAM.gov registration status: Active (registration expiration date Apr 20, 2027)
UEI: JK4YKJJ2R8H1
CAGE code: 1WW40
Entity structure: Corporate Entity (Not Tax Exempt)
Business start date: May 21, 2000
Location: PORTSMOUTH, NH
Website: substructure.com

NAICS codes

SBA certifications

No certification in the SBA profile data.

Business types self-reported in SAM.gov registration: Small Business Joint Venture.

Federal contract obligations

Net obligations recorded since FY2010: $182,090
Awards and orders with positive net obligations: 7
FY2026 obligations (provisional; DoD awards signed after Jul 17, 2026 are not yet public): $0
Latest action: Dec 28, 2023

Top awarding agencies: Department of Defense, Department of Homeland Security

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 17, 2026 are not yet public.

Latest awards and orders

70Z08022PMECP0032 PURCHASE ORDER · U.S. Coast Guard · latest action Dec 28, 2023
70Z08022PMEC0184 PURCHASE ORDER · U.S. Coast Guard · latest action Dec 27, 2021
HSCG8016PP45A35 PURCHASE ORDER · U.S. Coast Guard · latest action Feb 2, 2016
HSCG8016PP45821 PURCHASE ORDER · U.S. Coast Guard · latest action Jan 8, 2016
W912WJ14M0053 PURCHASE ORDER · Department Of The Army · latest action Jun 24, 2014
W912WJ11M0247 PURCHASE ORDER · Department Of The Army · latest action Sep 28, 2011
W912WJ10M0325 PURCHASE ORDER · Department Of The Army · latest action Jul 20, 2011

Other contractors in New Hampshire with primary NAICS 541370

HOLDEN ENGINEERING & SURVEYING INC BEDFORD, NH
NEARVIEW LLC PORTSMOUTH, NH
ERIC C. MITCHELL & ASSOCIATES, INC. BEDFORD, NH
GRANITE STATE AERIAL TOPOGRAPHY, LLC WOLFEBORO, NH
CARTOGRAPHIC ASSOCIATES, INC. LITTLETON, NH
MERIDIAN LAND SERVICES, INC AMHERST, NH

All federal contractors in New Hampshire How these figures are built

Source: SAM.gov entity registration and FPDS contract actions recorded under UEI JK4YKJJ2R8H1. GovChime does not check exclusions.

Key Performance Statistics

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Capabilities

NAICS Codes

See all industry codes with contract counts

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Product/Service Codes

As of Sep 25, 2026. Source: SAM.gov Goods & Services.

No PSC codes reported

Certifications

Self-Certifications

Small Business Joint Venture

Business Types

For Profit OrganizationBusiness or OrganizationSubchapter S Corporation

Federal Capability Statement

Substructure provides marine survey and industrial services to commercial and government organizations worldwide. Substructure offers a team of engineers, marine scientists, computer specialists, commercial divers, and skilled tradesmen with extensive experience in marine engineering, archaeological search and recovery, and geophysical survey operations.

Capabilities & Services

DIVING

HYDROGRAPHIC SURVEYING

MARINE ENGINEERING

MARINE DESIGN

MARINE CONSTRUCTION

SHIP REPAIR

AERIAL SURVEYING

CATHODIC PROTECTION

DREDGING

MARINE REHABILITATION

ENGINEERING

ARCHAEOLOGICAL

FABRICATION

ROV OPERATIONS

Contracts

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Contact Info

As of Sep 25, 2026. Source: SAM.gov Points of Contact.

SAM.gov registration for SUBSTRUCTURE INC lists a physical address and a separate mailing address, along with 6 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

185 WENTWORTH RD

PORTSMOUTH, NH, 03801

USA

Mailing Address

P.O. BOX 4094

PORTSMOUTH, NH, 03802

USA

Government Business Contact

Thomas E Reis

PO Box 4094

Portsmouth, NH, 03802

USA

Electronic Business Contact

Thomas E Reis

PO Box 4094

Portsmouth, NH, 03802

USA

Past Performance Contact

THOMAS E Reis

P.O. BOX 4094

Portsmouth, NH, 03802

USA

Government Business Alternate Contact

ANDY Kelly

P.O. BOX 4094

PORTSMOUTH, NH, 03802

USA

Electronic Business Alternate Contact

ANDY Kelly

P.O. BOX 4094

PORTSMOUTH, NH, 03802

USA

Past Performance Alternate Contact

ANDY Kelly

P.O. BOX 4094

PORTSMOUTH, NH, 03802

USA

Additional Details

As of Sep 25, 2026. Source: SAM.gov Entity Registration.

SUBSTRUCTURE INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires April 20, 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 responses

Suspension/Debarment Status

No active suspension or debarment

Public Display

Entity information is publicly displayed

Disaster Relief Registry

Registered for disaster relief contracting

Bonding Information

No bonding information provided

EDI

Not declared in SAM.gov

Business Structure

Source: SAM.gov

Entity Structure:Corporate Entity (Not Tax Exempt)

Profit Structure:For Profit Organization

Organization:Subchapter S Corporation

CAGE Code:1WW40

Registration Details

Source: SAM.gov

Date Founded

May 21, 2000

Initial Registration

Jan 20, 2002

Last Update

Apr 22, 2026

Registration Activation

Active — Apr 22, 2026

Registration Expiration

Apr 20, 2027

Fiscal Year End

12/31

State of Incorporation

Country of Incorporation

USA

Congressional District

Entity Website

substructure.com