PSC Z2LC — Repair or Alteration of Tunnels and Subsurface Structures: federal contracts

$5.7Mobligated in FY2025

-11.5%change FY2024→FY2025

0open solicitations

2new awards, last 12 months

Buyers by office, new entrants and recompetes in FedSift →

Open solicitations

No open solicitations carry this PSC right now.

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What PSC Z2LC covers

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

FY2022$-5.0M

FY2023$12.5M

FY2024$6.5M

FY2025$5.7M

FY2026*$14.2M

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 Z2LC work

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

Contractor	Obligations	Awards
ENCON DESBUILD JV 3 LLC	$9.6M	1
LACY MECHANICAL INC	$4.7M	1
A & H-AMBICA JV LLC	$4.6M	1
CROSSTEK SOLUTIONS LLC	$4.5M	1
TSONTOS, MICHAEL M., S.A.	$4.4M	1
TEPA EC, LLC	$3.1M	1
GARDEN OF EDEN LAWN CARE LLC	$175K	1
AVION NETWORKS, INC.	$52K	1
RV GLOBAL SOLUTIONS INC.	$25K	1
PARLIAMENT LLC	$25K	1

How competitive is PSC Z2LC?

99.4% of obligations on these awards were competed.
85.9% went to small businesses.
The five largest contractors hold 89.2% across 11 contractors.

NAICS codes used on PSC Z2LC awards

NAICS	Industry	Share
236220	Commercial and Institutional Building Construction	69.9%
237110	Water and Sewer Line and Related Structures Construction	14.8%
541330	Engineering Services	14.5%
237310	Highway, Street, and Bridge Construction	0.6%
237990	Other Heavy and Civil Engineering Construction	0.2%
238110	Poured Concrete Foundation and Structure Contractors	0.1%
561210	Facilities Support Services	0.0%

Related PSC codes

Y1JZ Construction of Miscellaneous Buildings · Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways · Z2JZ Repair or Alteration of Miscellaneous Buildings · Z2AA Repair or Alteration of Office Buildings · Y1PZ Construction of Other Non-Building Facilities · Y1AA Construction of Office Buildings · S208 Landscaping/Groundskeeping Services · Z2PZ Repair or Alteration of Other Non-Building Facilities

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