NAICS 237990: Other Heavy and Civil Engineering Construction

Right now there are 183 open federal NAICS 237990 notices, 79 of them open for bids. 28 close within the next 7 days. 43 are set aside for small or certified businesses, so fewer companies can compete. Over the last 12 months agencies posted 598 NAICS 237990 solicitations and published 89 awards with a median value of $18.4M. The busiest buyer was the Department of the Army, with 318 solicitations.

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Open notices today: 183 (79 open for bids)
Closing within 7 days: 28
Set aside for small or certified businesses: 43
Solicitations posted, last 12 months: 598
Published awards, last 12 months: 89 (median $18.4M)
Busiest buyer, last 12 months: Department of the Army
Source and update: SAM.gov public data, updated October 21, 2026

Open now page 4 of 7

Deadline	Notice	Set-aside
Mar 31, 2027 161 days left	New Orleans Harbor and Various Bar Channels Cutterhead Dredge 3-2025 Department of the Army, LA Pre-solicitation	Open to all
Apr 7, 2027 168 days left	Atchafalaya River Bay, Bar, and Crewboat Cut Cutterhead Dredge Nos. 1-2026, OM26059 Department of the Army Pre-solicitation	Open to all
Apr 7, 2027 168 days left	Atchafalaya River Bay, Bar, and Crewboat Cut Cutterhead Dredge Nos. 2-2026, OM26060 Department of the Army, LA Pre-solicitation	Open to all
Apr 7, 2027 168 days left	Atchafalaya River Bay, Bar, and Crewboat Cut Cutterhead Dredge Nos. 3-2026, OM26061 Department of the Army, LA Pre-solicitation	Open to all
Apr 7, 2027 168 days left	Atchafalaya River Bay, Bar, and Crewboat Cut Cutterhead Dredge Nos. 4-2026, OM26062 Department of the Army, LA Pre-solicitation	Open to all
Apr 21, 2027 182 days left	Mississippi River, New Orleans Harbor Cutterhead Dredge No. 1-2025 Department of the Army, New Orleans, LA Pre-solicitation	Open to all
Apr 21, 2027 182 days left	Mississippi River, New Orleans Harbor Cutterhead Dredge No. 2-2025 Department of the Army, New Orleans, LA Pre-solicitation	Open to all
May 10, 2027 201 days left	Mississippi River, New Orleans Harbor Cutterhead Dredge No. 2-2025 Department of the Army, New Orleans, LA Pre-solicitation	Open to all
May 10, 2027 201 days left	Mississippi River, New Orleans Harbor Cutterhead Dredge No. 2-2025 Department of the Army, New Orleans, LA Pre-solicitation	Open to all
May 11, 2027 202 days left	Mississippi River, New Orleans Harbor Cutterhead Dredge No. 1-2025 Department of the Army, New Orleans, LA Pre-solicitation	Open to all
May 28, 2027 219 days left	Mississippi River, Baton Rouge to the Gulf, Saltwater Barrier Sill, Cutterhead Dredge Contract No. 1-2025. Specification No. OM25135 Department of the Army, LA Pre-solicitation	Open to all
Jun 3, 2027 225 days left	Mississippi River, New Orleans Harbor and Various Bar Channels Cutterhead Dredge No. 5-2025 Department of the Army, New Orleans, LA	Open to all
Jun 12, 2027 234 days left	New Orleans Harbor and Various Bar Channels Cutterhead Dredge 3-2025 Department of the Army, New Orleans, LA	Open to all
Jul 16, 2027 268 days left	Mississippi River Outlets, Vicinity of Venice, Louisiana Tiger Pass Bar Channel, Maintenance Dredging, Plaquemines Parish, LA (ED 24-011) Department of the Army, LA Pre-solicitation	Open to all
Jul 21, 2027 273 days left	Mississippi River, Baton Rouge to the Gulf, Saltwater Barrier Sill, Cutterhead Dredge Contract No. 2-2025. Specification No. OM25136 Department of the Army, LA Pre-solicitation	Open to all
Jul 21, 2027 273 days left	Mississippi River, Baton Rouge to the Gulf, Saltwater Barrier Sill, Cutterhead Dredge Contract No. 3-2025. Specification No. OM25137 Department of the Army, LA Pre-solicitation	Open to all
Feb 20, 2028 487 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 1-2026 Specification No. OM26275 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Feb 20, 2028 487 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 2-2026 Specification No. OM26276 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Feb 20, 2028 487 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 3-2026 Specification No. OM26277 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Feb 20, 2028 487 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 4-2026 Specification No. OM26278 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Mar 18, 2028 514 days left	Mississippi River, New Orleans Harbor And Various Bar Channels Cutterhead No 4-2025 Department of the Army	Open to all
Mar 18, 2028 514 days left	Mississippi River, New Orleans Harbor and Various Bar Channels Cutterhead, No. 6-2025 Department of the Army	Open to all
Apr 7, 2028 534 days left	Port Fourchon Navigation Channel, Maintenance Dredging FY26, Lafourche Parish, LA Department of the Army, LA Pre-solicitation	Open to all
Apr 15, 2028 542 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 1-2026 Specification No. OM26275 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Apr 15, 2028 542 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 2-2026 Specification No. OM26276 Department of the Army, Plaquemine, LA	Open to all
Apr 15, 2028 542 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 2-2026 Specification No. OM26276 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Apr 15, 2028 542 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 3-2026 Specification No. OM26277 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Apr 15, 2028 542 days left	Mississippi River, Baton Rouge to the Gulf, Southwest Pass Maintenance Dredging Non- Continuous Mile 6.0 AHP to Mile 19.5 BHP Cutterhead Dredge No. 4-2026 Specification No. OM26278 Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Apr 30, 2028 557 days left	Gulf Coast Regional Hopper (OM26300) Department of the Army, Plaquemine, LA Pre-solicitation	Open to all
Apr 30, 2028 557 days left	Mississippi River, Baton Rouge to Gulf, Southwest Pass Hopper Dredge Contract No. 1-2026 (OM26001) Department of the Army, Plaquemine, LA Pre-solicitation	Open to all

NAICS 237990 by state

open today + last 12 months

Agencies that buy it

Set-asides open today

Recent awards

89 published awards in the last 12 months. The latest:

Date	Winner and contract	Amount
Sep 30	Talion Construction, LLC Bakersfield National Cemetery Gravesite Expansion Department of Veterans Affairs, CA	$16.2M
Sep 25	SNC Tallimat, LLC LAKE 254108 Relocate Callville Bay Intake Barge National Park Service	$7.2M
Sep 25	Multiple Awardees/See Description Malmstrom AFB Horizontal Construction Multiple Award Contract (MAC) Department of the Air Force, MT	$25.0M
Sep 25	Multiple Awardees/See Description Malmstrom AFB Horizontal Construction Multiple Award Contract (MAC) Department of the Air Force, MT	$25.0M
Sep 24	Bayside-Errg JV Construction Hazmat & Aml Response IDIQ Bureau of Land Management	$2.3M
Sep 23	Better By Design LLC PL 84-99 Flood Repair - Galena Event 2024 Department of the Army, IL	$864K
Sep 22	Manson Construction Co. Richmond Inner Harbor FY26 Maintenance Dredging Project Department of the Army	$7.0M
Sep 14	Grizzly Marketing, Inc. Timpas Picnic Area Site Improvement Project Forest Service, CO	$185K
Sep 11	T1 Construction LLC Detroit Dam Interim Regulating Outlet Repairs - Award Notice Department of the Army, OR	$761K
Sep 9	T1 Construction LLC Detroit Dam Interim Regulating Outlet Repairs - Award Notice Department of the Army, OR	$761K
Sep 4	Terra Site Constructors LLC Carl-repair Equipment Storage Shed National Park Service	$263K
Sep 2	Nelcy Construction Corp. Ak-kenai Nwr-pavement Patch & Crack Seal US Fish and Wildlife Service	$51K
Aug 14	Focused Asset Management LLC EWP Kanawha County Streambank Stabilization Sharon Hollow and Ohley Hollow Road, WV Farm Production and Conservation Business Center, WV	$120K
Aug 10	Three Oaks Construction, Inc. Little Sioux LB - Nagel and Intercounty DD & Hogue Ditch LB - Intercounty, Harrison and Monona Counties, Iowa Department of the Army, IA	$7.0M
Aug 3	Great Lakes Dredge & Dock Co. FY26 Pipeline Dredging MATOC Department of the Army, TX	$95.0M

Who wins the most

Manson Construction Co. (4 awards)
Inland Dredging Company (3 awards)
Multiple Awardees/See Description Malmstrom AFB (2 awards)
T1 Construction LLC (2 awards)
Three Oaks Construction, Inc. (2 awards)
Great Lakes Dredge & Dock Co. (2 awards)
Weeks Marine, Inc. (2 awards)
Next Generation Logistics, LLC (2 awards)

Questions

How many federal NAICS 237990 contracts are open?

On October 21, 2026 there were 183 open notices on SAM.gov, 28 of them closing within a week. BidFox updates this page every morning from the official SAM.gov data.

Which agencies buy the most NAICS 237990?

Counting solicitations from the last 12 months: Department of the Army (318 solicitations); Forest Service (65 solicitations); Department of Veterans Affairs (32 solicitations).

How much are federal NAICS 237990 contracts worth?

The median published award over the last 12 months was $18.4M, across 89 award notices. Many awards are much smaller or larger, and some contracts are awarded without a public award notice.

Can small businesses bid on NAICS 237990 contracts?

Yes. 58% of the NAICS 237990 solicitations in the last 12 months were set aside for small businesses or for certified firms (8(a), HUBZone, SDVOSB, WOSB). Open-competition notices accept any registered business.

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Source: public SAM.gov contract opportunity notices, updated October 21, 2026. Award amounts are as published in award notices.

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