GETWAB

02 / Market Size

How large is the PSC Z1KF federal market?

Net obligations$3.89B
Contract actions1,934
Vendors130
Federal customers5
Contracting offices44
Average action$2.01M
Largest action$73.57M
Data coverageFY 2019–FY 2025

03 / Spending Trend

PSC Z1KF contract spending by fiscal year

Annual obligations, activity, and participation across the same FY 2019–FY 2025 profile window.

Latest closed fiscal year$843.07M
FY 2025
Fiscal yearObligationsActionsVendorsCustomersChange
FY 2019$405.54M275494
FY 2020$307.97M249483−24.1%
FY 2021$308.10M200504+0.0%
FY 2022$465.97M223514+51.2%
FY 2023$723.04M292485+55.2%
FY 2024$836.05M336584+15.6%
FY 2025$843.07M359604+0.8%

04 / Top Federal Customers

Which federal agencies buy most in this industry?

Ranked by net obligations during FY 2019–FY 2025.

Federal customerCodeObligationsActionsVendorsMarket share
DEPT OF THE ARMY2100$3.71B1,83010795.5%
DEPT OF THE NAVY1700$158.57M51114.1%
U.S. COAST GUARD7008$16.94M42160.4%
DEPT OF THE AIR FORCE5700$715.6K210.0%
FOREST SERVICE12C2$138.8K930.0%

05 / Contracting Offices

Which contracting offices buy in PSC Z1KF?

Ranked by net obligations during FY 2019–FY 2025.

OfficeCodeAgencyObligationsActionsVendorsMarket share
W2SD ENDIST PHILADELPHIAW912BUDEPT OF THE ARMY$724.02M2062118.6%
W074 ENDIST JACKSNVLLEW912EPDEPT OF THE ARMY$687.29M3912717.7%
W074 ENDIST WILMINGTONW912PMDEPT OF THE ARMY$518.85M2601613.3%
W074 ENDIST CHARLESTONW912HPDEPT OF THE ARMY$334.18M100108.6%
W076 ENDIST GALVESTONW912HYDEPT OF THE ARMY$302.88M158117.8%
W075 ENDIST SAN FRANW912P7DEPT OF THE ARMY$232.64M173126.0%
W2SD ENDIST NEW YORKW912DSDEPT OF THE ARMY$207.38M36125.3%
W2SD ENDIST BALTIMOREW912DRDEPT OF THE ARMY$205.27M77135.3%
W074 ENDIST SAVANNAHW912HNDEPT OF THE ARMY$197.29M8665.1%
W2SN ENDIST ALASKAW911KBDEPT OF THE ARMY$103.50M10532.7%

06 / Top Vendors

Which contractors lead the PSC Z1KF market?

VendorObligationsActionsCustomersMarket shareLatest activity
GREAT LAKES DREDGE & DOCK COMPANY, LLC$1.04B261126.8%Sep 26, 2025
NORFOLK DREDGING COMPANY$376.02M10029.7%Sep 30, 2025
WEEKS MARINE, INC.$248.59M6426.4%Sep 30, 2025
MARINEX CONSTRUCTION, INC.$235.50M6516.1%Sep 10, 2025
CURTIN MARITIME CORP$191.75M6124.9%Sep 29, 2025
CASHMAN DREDGING & MARINE CONTRACTING CO LLC$180.71M4714.6%Sep 17, 2025
COTTRELL CONTRACTING CORPORATION$162.73M8614.2%Sep 29, 2025
MANSON CONSTRUCTION CO.$159.82M8724.1%Jul 31, 2025
DUTRA GROUP, THE$112.50M7112.9%Sep 25, 2025
SOUTHERN DREDGING CO., INC.$76.71M8612.0%Sep 17, 2025

07 / Industry Mix

What industries are purchased under PSC Z1KF?

NAICSDescriptionObligationsActionsVendorsShare
237990OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION$3.85B1,86811498.9%
238990ALL OTHER SPECIALTY TRADE CONTRACTORS$22.19M930.6%
237110WATER AND SEWER LINE AND RELATED STRUCTURES CONSTRUCTION$14.71M2530.4%
236220COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION$1.11M530.0%
238910SITE PREPARATION CONTRACTORS$807.8K720.0%
541380TESTING LABORATORIES AND SERVICES$768.4K530.0%
561730LANDSCAPING SERVICES$441.5K510.0%
541330ENGINEERING SERVICES$439.3K310.0%
541620ENVIRONMENTAL CONSULTING SERVICES$258.2K310.0%
488330NAVIGATIONAL SERVICES TO SHIPPING$152.0K110.0%

08 / Buying Pattern

How does the government buy in PSC Z1KF?

Competed59.8%1,157 actions
Not competed under SAP37.1%718 actions
Not competed1.3%26 actions
Competed under SAP1.3%25 actions
Other / unknown0.4%7 actions
Not available for competition0.1%1 actions
Other than small business share99.2%$3.86B
Small business share0.8%$32.89M
Common action typeObligationsActions
DEFINITIVE CONTRACT$3.79B1,754
DELIVERY ORDER$96.71M156
PURCHASE ORDER$1.68M24

09 / Recent Contract Awards

What was awarded most recently in PSC Z1KF?

10 / Market Interpretation

How should contractors evaluate this market?

01

Start with the spending direction

Compare annual obligations with actions and vendor participation. Growth driven by only a few large actions represents a different opportunity from broad, recurring demand.

02

Follow the actual buyers

Move from federal customers to contracting offices. Offices reveal where acquisition responsibility and recurring purchasing activity are concentrated.

03

Measure accessible demand

Use competition, small-business participation, incumbent vendors, and PSC mix before treating the full $3.89B market as addressable.