NAICS 237990 – Other Heavy and Civil Engineering Construction

Browse 1498+ active federal contract opportunities classified under NAICS 237990.

Recent Opportunities

• FY26 CCSC INNER BASIN TO VIOLA MAINTENANCE DREDGING
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: Apr 8, 2026 NAICS: 237990
• Olmsted Lock and Dam Access Road 53 Repairs *****ONLY OPEN TO MATOC POOL W9123723D0003 THROUGH W9123723D0007 FOR SMALL BUSINESS SET-ASIDE*****
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: Apr 17, 2026 NAICS: 237990 Set-Aside: SBA Location: IL
• Olmsted Lock and Dam Access Road 53 Repairs *****ONLY OPEN TO MATOC POOL W9123723D0003 THROUGH W9123723D0007 FOR SMALL BUSINESS SET-ASIDE*****
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: Apr 17, 2026 NAICS: 237990 Set-Aside: SBA Location: IL
• Y--Speelyi Beach Shoreline Protection, Yakima Project, Washington, Bureau of Recla
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 3, 2026 Due: Apr 20, 2026 NAICS: 237990 Set-Aside: ISBEE Location: WA
• Dredging of Los Angeles River Estuary and Port of Long Beach (Los Angeles County, CA)
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: Apr 24, 2026 NAICS: 237990 Set-Aside: SBA Location: CA
• West Shore Lake Pontchartrain, Louisiana, Hurricane and Storm Damage Risk Reduction Project, WSLP-103A Levee, Floodwall and Gate, Sta. 819+87 B/L to Sta. 827+95 B/L, St. John the Baptist Parish, Louisiana ED 24-025
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: May 29, 2026 NAICS: 237990 Set-Aside: SBA Location: LA
• FOUNTAIN CITY SERVICE BASE MATERIAL TRUCKING
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 NAICS: 237990
• Galveston Harbor and Channel- San Jacinto PA 1 Improvements, Galveston County, Texas
  Agency: DEPT OF DEFENSE Posted: Apr 3, 2026 Due: May 4, 2026 NAICS: 237990 Set-Aside: SBA
• Glennallen Field Office Flood Repairs
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 3, 2026 Due: May 8, 2026 NAICS: 237990 Location: AK
• West Shore Lake Pontchartrain WSLP 114
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 NAICS: 237990 Location: LA
• USACE SPK DBB Construction - LAR C3B North - Sacramento, CA
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 27, 2026 NAICS: 237990 Location: CA
• MACC for DB/DBB new construction, renovation, alteration and repair for large general, industrial and waterfront construction projects primarily located at PNSY, Kittery ME and NNSY, Portsmouth VA in support of SIOP
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 23, 2026 NAICS: 237990 Set-Aside: NONE Location: ME
• Sources Sought - FY26 Brunswick Inner Harbor Maintenance Dredging Project
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 17, 2026 NAICS: 237990 Set-Aside: SBA Location: GA
• Mississippi River, New Orleans Harbor And Various Bar Channels Cutterhead No 4-2025
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Mar 18, 2028 NAICS: 237990 Set-Aside: NONE
• M--INDIAN WELLS CYN RD O&M
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 2, 2026 Due: Apr 17, 2026 NAICS: 237990 Set-Aside: SBA
• M--BESSEMER MINE ROAD O&M
  Agency: INTERIOR, DEPARTMENT OF THE Posted: Apr 2, 2026 Due: Apr 17, 2026 NAICS: 237990 Set-Aside: SBA
• USACE SPK DBB Construction - LAR C3B South - Sacramento, CA
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 27, 2026 NAICS: 237990 Location: CA
• Freeport Harbor, Texas Placement Area No. 1 Improvements in Brazoria County, Texas
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: May 4, 2026 NAICS: 237990 Set-Aside: SBA
• FY26 CHANNEL TO HARLINGEN PLACEMENT AREAS 18 AND 22 IMPROVEMENTS
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Mar 26, 2026 NAICS: 237990
• FY26 Duwamish Waterway Dredging
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Apr 22, 2026 NAICS: 237990 Set-Aside: NONE Location: WA
• District Warehouse Exterior Renovation
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: May 5, 2026 NAICS: 237990 Set-Aside: SBA
• DRAFT Solicitation for Feedback - LOCK AND DAM 25 NEW 1,200 FT LOCK NAVIGATION AND ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: May 1, 2026 NAICS: 237990
• FY26 CHANNEL TO HARLINGEN PLACEMENT AREAS 18 AND 22 IMPROVEMENTS
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Mar 26, 2026 NAICS: 237990
• Above Ground Construction Services Contract (CSC)
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: May 4, 2026 NAICS: 237990 Set-Aside: SBA
• Design-Build IDIQ MACC for B-21 Beddown and Base Modernization Requirements at Ellsworth AFB
  Agency: DEPT OF DEFENSE Posted: Apr 2, 2026 Due: Jun 12, 2026 NAICS: 237990

Data sourced from SAM.gov. Updated daily. Last updated: April 4, 2026.