PSC C221 — Plumbing Systems: federal contracts

$1.5Mobligated in FY2025

-78.2%change FY2024→FY2025

1open solicitations

6new awards, last 12 months

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C221--402-27-001 Repair Chiller 3 (AE)VA · NAICS 541330 · Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14) · Due 20 November 2026

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What PSC C221 covers

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

FY2022$5.6M

FY2023$2.2M

FY2024$6.7M

FY2025$1.5M

FY2026*$3.3M

FY2027*$920K

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 C221 work

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

Contractor	Obligations	Awards
BORJA ENGINEERING & CONSTRUCTION, INC	$4.3M	1
NPD ASSOCIATES, INC	$1.5M	1
MILLER-REMICK, LLC	$1.4M	2
OATES ASSOCIATES INC	$1.4M	1
WBK ENGINEERING LLC	$1.3M	4
TOLAND MIZELL MOLNAR LLC	$969K	1
INSYNERGY ENGINEERING INC	$736K	1
SPEES LLC	$584K	1
FFE ENVIRONMENTAL SERVICES INC	$398K	1
WJA PLLC	$362K	1

How competitive is PSC C221?

99.5% of obligations on these awards were competed.
91.6% went to small businesses.
The five largest contractors hold 69.5% across 24 contractors.

NAICS codes used on PSC C221 awards

NAICS	Industry	Share
541330	Engineering Services	54.8%
237110	Water and Sewer Line and Related Structures Construction	30.4%
541310	Architectural Services	10.1%
561210	Facilities Support Services	1.6%
238220	Plumbing, Heating, and Air-Conditioning Contractors	1.5%
541620	Environmental Consulting Services	1.4%
236220	Commercial and Institutional Building Construction	0.2%

Related PSC codes

C219 Other Architect and Engineering Services · C211 Architect - Engineer Services (including landscaping, interior layout, and designing) · C1DA Hospitals and Infirmaries · C1AZ Other Administrative Facilities/Service Buildings · C222 Electrical Systems · C220 Structural Engineering · C1NZ Other Utilities · R425 Engineering and Technical Services

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