L2 DIAGNOSTICS LLC (CT)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2012
- $4.37M
- $4,368,033under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 6
- with positive net obligations
- Latest action
- Jul 22, 2026
- SAM.gov registration
- Active
- Registration expiration date Jan 22, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Jun 30, 1998 (28 years)
- Location
- New Haven, CT
- State of incorporation
- Connecticut
- Website
- l2dx.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 GKA7VH5LFR25. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2012. 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: $899,471
- FY2018: $54,980
- FY2017: $1,996,011
- FY2015: $775,242
- FY2013: $542,351
- FY2012: $99,978
Total across 6 fiscal years: $4,368,033
Top awarding agencies
- Department of Health and Human Services$3,166,719, 72.5%
- Department of Defense$1,201,314, 27.5%
Top awarding sub-agencies
- National Institutes of Health$3,166,719, 72.5%
- Department of the Army$1,201,314, 27.5%
Top NAICS by obligations
- 541711Research and development in biotechnology$3,413,582, 78.1%
- 334516Analytical laboratory instrument manufacturing$54,980, 1.3%
Top product and service codes by obligations
- AN13R&d- medical: biomedical (advanced development)$1,996,011, 45.7%
- AN91R&d- medical: other (basic research)$1,146,334, 26.2%
- AN11Health r&d services; health care services; basic research$870,708, 19.9%
- AN12Health r&d services; health care services; applied research$300,000, 6.9%
- 6640Laboratory equipment and supplies$54,980, 1.3%
Capabilities
NAICS codes
- 541714Research and Development in Biotechnology (except Nanobiotechnology)(primary)Small
- 621511Medical LaboratoriesSmall
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)
- AN12Research & Development
Federal Capability Statement
Biotechnology R&D, Medical Diagnosotics R&D, Pharmaceutical R&D
Capabilities & Services
Contracts
Latest awards and orders
- 75N93025C00024Definitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- 75N93025C00004Definitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- HHSN261201700033CDefinitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- W911SD18P0204Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- HHSN261201500043CDefinitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- W81XWH12C0028Definitive contractDepartment of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for L2 DIAGNOSTICS LLC 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
37 SEYMOUR RD
NEW HAVEN, CT, 06525
USA
Mailing Address
PO BOX 3559
WOODBRIDGE, CT, 06525
USA
Government Business Contact
MARTIN MATTESSICH
MANAGING DIRECTOR
PO BOX 3559
WOODBRIDGE, CT, 06525
USA
Electronic Business Contact
MARTIN MATTESSICH
Managing Director
PO BOX 3559
WOODBRIDGE, CT, 06525
USA
Government Business Alternate Contact
MARTIN MATTESSICH
MANAGING DIRECTOR
PO BOX 3559
WOODBRIDGE, CT, 06525
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
L2 DIAGNOSTICS LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires January 22, 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
Not registered for disaster relief
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 Connecticut with primary NAICS 541714
- Encapsulate Inc.Farmington, CT
- Virscio, IncNew Haven, CT
- Quantum Si IncorporatedBranford, CT
- B3 Therapeutics, IncWestport, CT · SAM.gov registration Expired
- Valient Tx, IncStamford, CT
- Epitet Therapeutics, IncWestport, CT · SAM.gov registration Expired