PSC Y1LC — Construction of Tunnels and Subsurface Structures: federal contracts

$60.2Mobligated in FY2025

-37.5%change FY2024→FY2025

4open solicitations

5new awards, last 12 months

Buyers by office, new entrants and recompetes in FedSift →

Open solicitations

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USACE SPK DBB Construction - Sacramento River East Levee Contract 5 (SREL C5), Sacramento, CaliforniaArmy · NAICS 562910 · Small Business Set Aside - Total · Due 20 November 2026
Construct Interim Remedial Action (IRA) for the Nelson Tunnel Superfund SiteArmy · NAICS 237990 · Unrestricted (full and open) · Due 20 November 2026
USACE SPK DBB Construction - LAR C3B North - Sacramento, CAArmy · NAICS 237990 · Small Business Set Aside - Total · Due 16 December 2026
USACE SPK DBB Construction - LAR C3B South - Sacramento, CAArmy · NAICS 237990 · Small Business Set Aside - Total · Due 28 December 2026

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What PSC Y1LC covers

Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Facilities & Construction › Construction Related Services.

FY2022$139.3M

FY2023$197.6M

FY2024$96.4M

FY2025$60.2M

FY2026*$84.0M

USASpending.gov contract obligations by federal fiscal year of the action. * A year that ended under 120 days ago is still filling in.

Who is winning new PSC Y1LC work

Contractors ranked by obligations on awards that started FY2024–FY2027 to date.

Contractor	Obligations	Awards
THE DUTRA GROUP	$71.1M	1
AHTNA-FORGEN JV, LLC	$33.3M	2
CAMENZIND DUTRA JV LLC	$15.1M	1
ODIN ENVIRONMENTAL SOLUTIONS, LLC	$9.8M	2
NADIAD INC	$6.4M	1
CAM-DUTRA JV-II LLC	$5.8M	1
SES CONSTRUCTORS LLC	$4.7M	1
ED RIKE PLUMBING, INC.	$4.1M	3
PIPKIN INC.	$3.8M	1
AMERITECH CONTRACTING LLC	$2.8M	1

How competitive is PSC Y1LC?

92.4% of obligations on these awards were competed.
50.7% went to small businesses.
The five largest contractors hold 82.4% across 21 contractors.

NAICS codes used on PSC Y1LC awards

NAICS	Industry	Share
237990	Other Heavy and Civil Engineering Construction	87.9%
236220	Commercial and Institutional Building Construction	5.4%
238220	Plumbing, Heating, and Air-Conditioning Contractors	4.2%
237110	Water and Sewer Line and Related Structures Construction	1.2%
541360	Geophysical Surveying and Mapping Services	0.8%
237310	Highway, Street, and Bridge Construction	0.3%
238990	All Other Specialty Trade Contractors	0.2%

Related PSC codes

Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways · J045 Maint/Repair/Rebuild of Equipment: Plumbing, Heating, and Waste Disposal Equipment · Y1PZ Construction of Other Non-Building Facilities · Z2AA Repair or Alteration of Office Buildings · Z1DA Maintenance of Hospitals and Infirmaries · Z2LB Repair or Alteration of Highways/Roads/Streets/Bridges/Railways · Z2DA Repair or Alteration of Hospitals and Infirmaries · Z2PZ Repair or Alteration of Other Non-Building Facilities

Win PSC Y1LC work with FedSift

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