PSC Z1KZ — Maintenance of Other Conservation and Development Facilities: federal contracts

$3.7Mobligated in FY2025

-48.2%change FY2024→FY2025

1open solicitations

3new awards, last 12 months

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WI-NECEDAH NWR-ALBREIT LATERAL DITCH FILLDepartmental Offices · NAICS 236220 · Small Business Set Aside - Total · Due 01 December 2026

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What PSC Z1KZ covers

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

FY2022$44.5M

FY2023$5.3M

FY2024$7.1M

FY2025$3.7M

FY2026*$7.0M

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 Z1KZ work

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

Contractor	Obligations	Awards
CURTIN MARITIME CORP	$8.7M	2
MICHELS CONSTRUCTION, INC.	$2.1M	1
R. E. MILLER AND SONS	$687K	1
LAM INDUSTRIES, LLC	$355K	1
RIEP CONTRACTORS LLC	$163K	1
RB TEXTILE CONSERVATION, LLC	$147K	1
JVR LLC	$146K	1
WORCESTER EISENBRANDT INC	$51K	1
AC LOPEZ CONSTRUCTION INC	$50K	1
TEX/AM CONSTRUCTION CO., INC.	$41K	1

How competitive is PSC Z1KZ?

99.7% of obligations on these awards were competed.
13.3% went to small businesses.
The five largest contractors hold 96.4% across 12 contractors.

NAICS codes used on PSC Z1KZ awards

NAICS	Industry	Share
237990	Other Heavy and Civil Engineering Construction	89.6%
237310	Highway, Street, and Bridge Construction	5.5%
712110	Museums	1.6%
237130	Power and Communication Line and Related Structures Construction	1.3%
237110	Water and Sewer Line and Related Structures Construction	1.2%
238990	All Other Specialty Trade Contractors	0.4%
238390	Other Building Finishing Contractors	0.3%
336112	Light Truck and Utility Vehicle Manufacturing	0.1%

Related PSC codes

Y1PZ Construction of Other Non-Building Facilities · Y1LB Construction of Highways, Roads, Streets, Bridges, and Railways · Z2JZ Repair or Alteration of Miscellaneous Buildings · Z2LB Repair or Alteration of Highways/Roads/Streets/Bridges/Railways

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