Sealevel Construction Inc.
Thibodaux, LA
- UEI
- SMXLMJXRH5M7
- CAGE
- 4NSF4
- Primary NAICS
- 237990 Other Heavy and Civil Engineering Construction
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
-
- 237990 Other Heavy and Civil Engineering Construction Primary
- 237110 Water and Sewer Line and Related Structures Construction
- 237310 Highway, Street, and Bridge Construction
- 238910 Site Preparation Contractors
- 331210 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
- 332312 Fabricated Structural Metal Manufacturing
- 332710 Machine Shops
- 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing
Show all
- SAM.gov registration date
- Physical address
- 1069 LA-3185, Thibodaux, LA 70301, USA
- Website
- sealevelinc.com
- Founded
- 1997
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| Calcasieu river saltwater barrier sector gate fabrication | ENDIST New Orleans | $6,091,000 | |
| Lock & DAM 21 tainter gate FAB | ENDIST Rock Island | $4,922,200 | |
| The work includes, but is not limited to, the fabrication, assembly, painting, and delivery of a steel bulkhead | ENDIST Rock Island | $1,314,205 | |
| IWW three wicket bulkhead fabrication - peoria, IL | ENDIST Rock Island | $617,470 | |
| Furnish and install tainter gate | ENDIST Vicksburg | $34,890,362 |
About Sealevel Construction Inc.
Sealevel Construction Inc. is a Louisiana-based small business corporation headquartered in Thibodaux, registered with SAM.gov since February 2007. The company specializes in fabrication services for the federal government, particularly in the design, fabrication, assembly, painting, and delivery of specialized steel structures for critical water resource management infrastructure. As a small business contractor, Sealevel Construction has established itself as a trusted partner for complex hydraulic and structural steel manufacturing projects that support the nation's waterway infrastructure systems.
Sealevel Construction's federal contract portfolio demonstrates significant expertise in fabricating large-scale hydraulic structures and specialized steel components for water management infrastructure. The company has been awarded five major contracts by the U.S. Army Corps of Engineers, collectively valued at approximately $60.176 million, all executed as firm fixed-price definitive contracts. Recent awards include a $17.263 million contract (October 2025) for fabrication and delivery of two submergible Tainter gates for Lock and Dam 21 near Quincy, Illinois; a $6.091 million contract (October 2025) for sector gate fabrication for the Calcasieu River Saltwater Barrier in Thibodaux, Louisiana; a $1.314 million contract (September 2025) for steel bulkhead fabrication for Illinois River Basin infrastructure in Peoria, Illinois; a $617,470 contract (September 2024) for three wicket bulkhead fabrication at Peoria Lock and Dam and LaGrange Lock and Dam; and a $34.9 million contract (March 2023) for furnishing and installing a tainter gate with associated gusset plate grinding work in Marksville, Louisiana. The majority of these contracts have been designated as Total Small Business Set-Asides, with completion dates extending through January 2029. Sealevel Construction's work requires specialized certifications including American Institute of Steel Construction certification, American Welding Society D1.5 compliance, and either Certified Bridge Fabricator or Certified Hydraulic Fabricator credentials, reflecting the technical complexity and quality standards demanded in hydraulic structure fabrication.
Quick answers
What is Sealevel Construction Inc.'s UEI?
Sealevel Construction Inc.'s Unique Entity ID (UEI) in SAM.gov is SMXLMJXRH5M7.
What is Sealevel Construction Inc.'s CAGE code?
Sealevel Construction Inc.'s CAGE code is 4NSF4.
What is Sealevel Construction Inc.'s primary NAICS code?
Sealevel Construction Inc.'s primary NAICS code is 237990 (Other Heavy and Civil Engineering Construction).
Where is Sealevel Construction Inc. located?
Sealevel Construction Inc.'s physical address in SAM.gov is 1069 LA-3185, Thibodaux, LA 70301, USA.
Is Sealevel Construction Inc. registered in SAM.gov?
Yes. Sealevel Construction Inc.'s SAM.gov registration is active through June 17, 2027.
What is Sealevel Construction Inc.'s most recent federal award?
Sealevel Construction Inc.'s most recent federal contract award is Calcasieu river saltwater barrier sector gate fabrication (W912P825C0031), from ENDIST New Orleans, on October 7, 2025.
On GovTribe
See Sealevel Construction Inc.'s full federal record
- Federal contract awards
- Funding analysis by agency, NAICS and set-aside
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