PSC Code

PSC Z1KF Federal Contract Obligations (Last 5 Years)

This page summarizes federal contract obligations for PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES) for last 5 years, including award volume and market trend context.

Use this page to review federal contract obligations for PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES) for last 5 years. The analysis is based on FPDS award-action data.

Last full year Last 5 years Last 10 years

Generated at 03/15/2026

Analysis period: Last 5 years

All figures on this page are based on FPDS award-action obligation data for completed calendar years only within the last 5 years analysis window.

PSC Code

Z1KF

PSC Description

MAINTENANCE OF DREDGING FACILITIES

Total Obligated

3.20 billion

3,197,825,446.97

Award Actions

1,423

Average Action Value

2,247,242.05

About PSC Z1KF federal contract activity

This page summarizes last 5 years of federal contract activity associated with PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES). Based on the current FPDS Query dataset, this category shows 3.20 billion in visible obligations across 1,423 award actions, with an average action value of 2,247,242.05. This view is designed to help users quickly understand scale, buyer concentration, contractor concentration, and overall market direction before moving into deeper procurement analysis.

Agency demand and leading federal buyers

Demand for PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES) appears concentrated among a relatively small group of federal buyers over the last 5 years. The visible agency ranking is led by DEPT OF THE ARMY, with 3.09 billion in obligations, followed by DEPT OF THE NAVY. This kind of concentration is useful context for business development, bid targeting, and understanding where the strongest federal demand appears to sit.

Vendor concentration and leading contractors

The vendor distribution helps show which contractors capture the largest visible share of obligations in PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES) over the last 5 years. The current ranking is led by GREAT LAKES DREDGE & DOCK CO, LLC, with 424.81 million in obligations, followed by GREAT LAKES DREDGE & DOCK COMPANY, LLC. This gives users a practical view of the competitive landscape and the visible concentration at the top of the market.

Annual contract trend over the analysis window

The annual trend table provides a year-based view of how visible obligations and award actions have evolved for PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES) across the last 5 years, from 2021 through 2025. This is useful for spotting periods of expansion, relative stability, or softening activity in this federal market segment.

How to interpret this page

The tables and trend blocks on this page are generated from FPDS-derived procurement records prepared offline for fast public delivery. They are intended to give a practical summary of category-scale obligations, top buying agencies, leading vendors, and visible year-over-year movement within last 5 years. Users who need deeper filtering, custom SQL, or cross-market comparison can continue the analysis directly inside FPDS Query.

Top Agencies

SELECT
    agency_id,
    agency_name,
    total_obligated,
    award_count,
    formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
    SELECT
        content__award__purchaserInformation__contractingOfficeAgencyID AS agency_id,
        anyHeavy(content__award__purchaserInformation__contractingOfficeAgencyID__name) AS agency_name,
        sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
        count() AS award_count
    FROM fpds.data
    WHERE
        contract_type = 1
        AND content__award__productOrServiceInformation__productOrServiceCode = 'Z1KF'
        AND content__award__purchaserInformation__contractingOfficeAgencyID IS NOT NULL
        AND content__award__purchaserInformation__contractingOfficeAgencyID != ''
        AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 5 YEAR
        AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
    GROUP BY agency_id
)
ORDER BY total_obligated DESC
LIMIT 10

Agency ID	Agency Name	Total Obligated	Readable	Award Actions
2100	DEPT OF THE ARMY	3,089,369,355.32	3.09 billion	1,355
1700	DEPT OF THE NAVY	92,246,655.29	92.25 million	27
7008	U.S. COAST GUARD	15,370,600.98	15.37 million	31
5700	DEPT OF THE AIR FORCE	715,578.18	715.58 thousand	2
12C2	FOREST SERVICE	123,257.20	123.26 thousand	8

Insight

PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES) appears to be concentrated among a relatively small group of major buying agencies over the last 5 years. The visible ranking is led by DEPT OF THE ARMY, followed by DEPT OF THE NAVY, which suggests that agency demand in this category is not evenly distributed.

Top Vendors

SELECT
    vendor_name,
    cage_code,
    total_obligated,
    award_count,
    formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
    SELECT
        content__award__vendor__vendorHeader__vendorName AS vendor_name,
        ifNull(anyHeavy(content__award__vendor__vendorSiteDetails__entityIdentifiers__cageCode), '') AS cage_code,
        sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
        count() AS award_count
    FROM fpds.data
    WHERE
        contract_type = 1
        AND content__award__productOrServiceInformation__productOrServiceCode = 'Z1KF'
        AND content__award__vendor__vendorHeader__vendorName IS NOT NULL
        AND content__award__vendor__vendorHeader__vendorName != ''
        AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 5 YEAR
        AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
    GROUP BY
        vendor_name,
        content__award__vendor__vendorSiteDetails__entityIdentifiers__cageCode
)
ORDER BY total_obligated DESC
LIMIT 10

Vendor	CAGE Code	Total Obligated	Readable	Award Actions
GREAT LAKES DREDGE & DOCK CO, LLC	1BSU5	424,811,496.10	424.81 million	61
GREAT LAKES DREDGE & DOCK COMPANY, LLC	1BSU5	391,573,477.66	391.57 million	158
NORFOLK DREDGING COMPANY	0E3M4	324,430,758.84	324.43 million	78
WEEKS MARINE, INC.	1RHV3	190,058,247.24	190.06 million	34
CURTIN MARITIME CORP	4ADU6	169,468,983.30	169.47 million	38
COTTRELL CONTRACTING CORPORATION	091W6	137,091,727.31	137.09 million	72
CASHMAN DREDGING & MARINE CONTRACTING CO LLC	49LS6	131,611,820.92	131.61 million	30
MARINEX CONSTRUCTION INC	4NS08	105,598,828.63	105.60 million	20
DONJON MARINE CO., INC.	9S939	94,780,260.00	94.78 million	4
MANSON CONSTRUCTION CO.	0FCP9	82,598,049.25	82.60 million	35

Insight

Within PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES), visible obligations over the last 5 years appear concentrated among a relatively small set of leading vendors. GREAT LAKES DREDGE & DOCK CO, LLC ranks first, followed by GREAT LAKES DREDGE & DOCK COMPANY, LLC, which helps define the current competitive landscape in this category.

Annual Trend

SELECT
    year,
    total_obligated,
    award_count,
    formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
    SELECT
        toYear(parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate)) AS year,
        sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
        count() AS award_count
    FROM fpds.data
    WHERE
        contract_type = 1
        AND content__award__productOrServiceInformation__productOrServiceCode = 'Z1KF'
        AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 5 YEAR
        AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
    GROUP BY year
)
ORDER BY year DESC

Year	Total Obligated	Readable	Award Actions
2025	642,295,833.54	642.30 million	353
2024	913,179,538.60	913.18 million	319
2023	772,792,308.11	772.79 million	315
2022	525,471,413.52	525.47 million	239
2021	344,086,353.20	344.09 million	197

Insight

The annual trend shows how obligations in PSC Z1KF (MAINTENANCE OF DREDGING FACILITIES) moved across the last 5 years, from 2021 through 2025. This helps users judge whether visible contract activity in this category appears stable, rising, or easing over time.

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