Conway Marine Construction, INC (NY)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2009
- $1.16M
- $1,162,480under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 3
- with positive net obligations
- Latest action
- Apr 25, 2019
- SAM.gov registration
- Inactive
- Registration expiration date Jun 30, 2020
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Apr 8, 2003 (23 years)
- Location
- Melville, NY
- State of incorporation
- New York
- Purpose of registration
- All Awards
- Website
- conwaymci.com
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI J3M9EXD2LLS6. 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
- FY2019: $247,080
- FY2011: $177,880
- FY2010: $525,520
- FY2009: $212,000
Total across 4 fiscal years: $1,162,480
Top awarding agencies
- Department of Homeland Security$1,162,480, 100%
Top awarding sub-agencies
- U.S. Coast Guard$1,162,480, 100%
Top NAICS by obligations
- 237990Other heavy and civil engineering construction$1,162,480, 100%
Top product and service codes by obligations
- Z299Maint, rep/alter/all other$915,400, 78.7%
- Z1KFMaintenance of dredging facilities$247,080, 21.3%
Capabilities
NAICS codes
- 237990Other Heavy and Civil Engineering Construction(primary)
- 236220Commercial and Institutional Building ConstructionSmall
- 237110Water and Sewer Line and Related Structures ConstructionSmall
- 237310Highway, Street, and Bridge ConstructionSmall
- 238110Poured Concrete Foundation and Structure Contractors
- 238120Structural Steel and Precast Concrete Contractors
Show all 8 NAICS codes2 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
Contracts
Latest awards and orders
- 70Z0G119CPRV02300Definitive contractDepartment of Homeland SecurityU.S. Coast GuardLatest action
- HSCGG110CPRV054DcaDepartment of Homeland SecurityU.S. Coast GuardLatest action
- HSCGG109C3WK053DcaDepartment of Homeland SecurityU.S. Coast GuardLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for Conway Marine Construction, 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
105 Maxess Rd Ste N111
Melville, NY, 11747
USA
Mailing Address
105 MAXESS RD STE 111N
MELVILLE, NY, 11747
USA
Government Business Contact
Donny DaSilva
998C OLD COUNTRY RD
#314
PLAINVIEW, NY, 11803
USA
Electronic Business Contact
ALEX CONWAY
998C OLD COUNTRY RD
#314
PLAINVIEW, NY, 11803
USA
Past Performance Contact
Donny DaSilva
105 MAXESS RD STE 111N
MELVILLE, NY, 11747
USA
Government Business Alternate Contact
ALEX CONWAY
105 MAXESS RD STE 111N
MELVILLE, NY, 11747
USA
Electronic Business Alternate Contact
Donny DaSilva
105 MAXESS RD STE 111N
MELVILLE, NY, 11747
USA
Past Performance Alternate Contact
ALEX CONWAY
105 MAXESS RD STE 111N
MELVILLE, NY, 11747
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
Conway Marine Construction, INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires June 30, 2020.
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
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
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- Terry Contracting & Materials, Inc.Riverhead, NY
- Galvin Bros., Inc.Great Neck, NY
- Donofrio General Contractors CorpBrooklyn, NY