SLSCO, Ltd. (TX)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2009
- $2.78B
- $2,776,885,306under this UEI
- FY2026 obligations
- $129.41M†
- $129,405,359Provisional
- Awards and orders
- 34
- with positive net obligations16 IDV vehicles held
- Latest action
- Jul 30, 2026
- SAM.gov registration
- Active
- Registration expiration date Jun 2, 2027
Registration
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Mar 14, 2007 (19 years)
- Location
- Galveston, TX
- State of incorporation
- Texas
- Purpose of registration
- All Awards
- Website
- slsco.com
† FY2026 obligations (provisional; DoD awards signed after Aug 8, 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 Aug 8, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI F1PMZXNJ7NM5. 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
- FY2026: $129,405,359 (provisional)
- FY2025: $179,343,595
- FY2024: -$354,527,047 (de-obligation)
- FY2023: $518,591,793
- FY2022: $35,313,987
- FY2021: $14,150,911
- FY2020: $800,802,077
- FY2019: $1,299,213,563
Show all 13 yearsEarlier years (FY2009–FY2018)
- FY2018: $143,928,112
- FY2012: $229,310
- FY2011: $7,388,719
- FY2010: -$843,285 (de-obligation)
- FY2009: $3,888,213
Total across 13 fiscal years: $2,776,885,306
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$2,238,191,609, 80.6%
- Department of Homeland Security$538,693,697, 19.4%
Top awarding sub-agencies
- Department of the Army$1,769,285,138, 63.7%
- U.S. Customs and Border Protection$536,139,971, 19.3%
- Department of the Navy$468,903,471, 16.9%
- Federal Emergency Management Agency$2,553,476, 0.1%
- Department of the Air Force$3,000, <0.1%
Top NAICS by obligations
- 237310Highway, street, and bridge construction$1,554,008,589, 56.0%
- 236220Commercial and institutional building construction$613,798,170, 22.1%
- 238990All other specialty trade contractors$604,175,859, 21.8%
- 624230Emergency and other relief services$4,717,987, 0.2%
- 237990Other heavy and civil engineering construction$181,950, <0.1%
Top product and service codes by obligations
- Y1PZConstruction of other non-building facilities$1,221,178,461, 44.0%
- Y1LBConstruction of highways, roads, streets, bridges, and railways$1,083,723,887, 39.0%
- Y1BDConstruction of airport runways and taxiways$387,055,546, 13.9%
- Y1CZConstruction of other educational buildings$41,880,681, 1.5%
- Y1ECConstruction of production buildings$27,651,037, 1.0%
Capabilities
NAICS codes
- 238990All Other Specialty Trade Contractors(primary)
- 212321Construction Sand and Gravel Mining
- 236115New Single-Family Housing Construction (except For-Sale Builders)
- 236116New Multifamily Housing Construction (except For-Sale Builders)
- 236118Residential Remodelers
- 236210Industrial Building Construction
Show all 13 NAICS codes7 more NAICS codes
- 236220Commercial and Institutional Building Construction
- 237110Water and Sewer Line and Related Structures Construction
- 237120Oil and Gas Pipeline and Related Structures Construction
- 237310Highway, Street, and Bridge Construction
- 237990Other Heavy and Civil Engineering Construction
- 541614Process, Physical Distribution, and Logistics Consulting Services
- 624230Emergency and Other Relief Services
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- N4425526D1508Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- N4425526F1508Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- N0016426FC145Delivery orderunder a basic ordering agreement (BOA)Department of DefenseDepartment of the NavyLatest action
- W9128F21D0061Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- N0002325D0140Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- 70B03C24F00001030Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Customs and Border ProtectionLatest action
- N6274225D1348Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the NavyLatest action
- 70B01C23F00001236Delivery orderunder an indefinite delivery contract (IDC)Department of Homeland SecurityU.S. Customs and Border ProtectionLatest action
- N6274225F9939Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the NavyLatest action
- N6274225C1308Definitive contractDepartment of DefenseDepartment of the NavyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for SLSCO, Ltd. 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 without a real name are not shown.
Physical Address
6702 BROADWAY ST
GALVESTON, TX, 77554
USA
Mailing Address
P.O. BOX 17017
GALVESTON, TX, 77552
USA
Government Business Contact
William W Sullivan
Principal, President
6702 Broadway St.
Galveston, TX, 77554
USA
Electronic Business Contact
Sheryl Blair
State Compliance & Contracts Director
6702 Broadway St.
Galveston, TX, 77554
USA
Past Performance Contact
Josh Hulen
Vice President Proposals
6702 Broadway st
Galveston, TX, 77554
USA
Government Business Alternate Contact
Sheryl Blair
Administrative Compliance Director
6702 broadway st
GALVESTON, TX, 77554
USA
Electronic Business Alternate Contact
William W Sullivan
6702 Broadway St
Galveston, TX, 77554
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
SLSCO, Ltd. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires June 2, 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
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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