This NAICS page summarizes federal awards for other heavy and civil engineering construction, including total obligations, action volume, annual trends, and leading agencies and vendors. The Department of the Army accounts for most obligated dollars, followed by the Department of the Navy and the Bureau of Reclamation.
NAICS Industry
NAICS 237990 Federal Contract Obligations (Last 10 Years)
Federal procurement activity for NAICS 237990 covers other heavy and civil engineering construction, with 72.89 billion obligated across 64,168 actions over the last 10 years.
Annual trend data shown here reflects the most recent five years in the provided analysis window, and totals are based on readable obligation values.
NAICS Code
237990
Industry
OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION
Total Obligated
72.89 billion
72,888,562,962.68
Award Actions
64,168
Average Action Value
1,135,902.05
About NAICS 237990 federal contract activity
NAICS 237990, Other Heavy and Civil Engineering Construction, recorded 72.89 billion in obligated dollars across 64,168 awards over the last 10 years, for an average award value of 1.14 million. This category reflects large-scale civil works activity with a relatively high transaction count and substantial total spend.
Agency demand and leading federal buyers
The Department of the Army dominates this NAICS, accounting for 51.21 billion across 42,363 awards, or the clear majority of observed obligations. The Department of the Navy is a distant second with 13.14 billion, followed by the Bureau of Reclamation, Veterans Affairs, and the National Park Service, indicating demand concentrated in defense and federal infrastructure programs.
Vendor concentration and leading contractors
Vendor concentration is led by Great Lakes Dredge & Dock Company, LLC at 3.93 billion, followed by Dragados/Hawaiian Dredging/Orion JV at 2.78 billion and Weeks Marine, Inc. at 2.37 billion. The top firms are specialized heavy-civil contractors, and the mix of high-obligation, lower-award-count vendors suggests a market driven by large project awards.
Annual contract trend over the analysis window
Annual obligations remained elevated in the most recent years shown, with 10.23 billion in 2024 and 10.08 billion in 2025, after 9.55 billion in 2023 and 9.16 billion in 2022. The pattern indicates sustained federal spending in this NAICS, with award counts staying in the roughly 5,000 to 6,400 range across those years.
How to interpret this page
This page summarizes FPDS award data for NAICS 237990 over the last 10 years using obligated dollars and award counts. Agency, vendor, and annual trend sections are based on aggregated FPDS records within the selected analysis window; values are rounded as presented in the source metrics.
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__principalNAICSCode = '237990'
AND content__award__purchaserInformation__contractingOfficeAgencyID IS NOT NULL
AND content__award__purchaserInformation__contractingOfficeAgencyID != ''
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 10 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 | 51,212,990,704.89 | 51.21 billion | 42,363 |
| 1700 | DEPT OF THE NAVY | 13,137,583,146.93 | 13.14 billion | 3,476 |
| 1425 | BUREAU OF RECLAMATION | 2,053,340,319.31 | 2.05 billion | 2,307 |
| 3600 | VETERANS AFFAIRS, DEPARTMENT OF | 1,701,672,408.53 | 1.70 billion | 2,698 |
| 1443 | NATIONAL PARK SERVICE | 1,135,502,186.40 | 1.14 billion | 1,168 |
| 5700 | DEPT OF THE AIR FORCE | 521,400,052.09 | 521.40 million | 2,694 |
| 8900 | ENERGY, DEPARTMENT OF | 498,878,856.91 | 498.88 million | 921 |
| 7014 | U.S. CUSTOMS AND BORDER PROTECTION | 347,877,263.20 | 347.88 million | 466 |
| 7008 | U.S. COAST GUARD | 258,536,804.49 | 258.54 million | 993 |
| 12C2 | FOREST SERVICE | 254,196,789.92 | 254.20 million | 2,157 |
Insight
Over the last 10 years, obligations under NAICS 237990 totaled $72.89 billion across 64,168 awards, with the Department of the Army accounting for $51.21 billion, or about 70% of total obligations, and by far the largest award volume at 42,363 awards. The Department of the Navy is a distant second at $13.14 billion, bringing the two Defense agencies to roughly 88% of all obligated dollars in this category. The remaining top agencies are much smaller in dollar terms, led by the Bureau of Reclamation ($2.05 billion), Department of Veterans Affairs ($1.70 billion), and National Park Service ($1.14 billion), indicating a highly concentrated obligation pattern with a long tail of lower-dollar activity.
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,
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__principalNAICSCode = '237990'
AND content__award__vendor__vendorHeader__vendorName IS NOT NULL
AND content__award__vendor__vendorHeader__vendorName != ''
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 10 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY vendor_name
)
ORDER BY total_obligated DESC
LIMIT 10| Vendor | CAGE Code | Total Obligated | Readable | Award Actions |
|---|---|---|---|---|
| GREAT LAKES DREDGE & DOCK COMPANY, LLC | 1BSU5 | 3,933,078,433.54 | 3.93 billion | 1,067 |
| DRAGADOS/HAWAIIAN DREDGING/ORION JV | 94AZ0 | 2,777,671,797.15 | 2.78 billion | 55 |
| WEEKS MARINE, INC. | 1RHV3 | 2,365,100,471.00 | 2.37 billion | 595 |
| MANSON CONSTRUCTION CO. | 0FCP9 | 2,204,313,959.49 | 2.20 billion | 840 |
| KOKOSING ALBERICI TRAYLOR, LLC | 914G9 | 1,935,590,946.56 | 1.94 billion | 67 |
| 381 CONSTRUCTORS | 8QYU2 | 1,774,598,061.87 | 1.77 billion | 72 |
| NORFOLK DREDGING COMPANY | 0E3M4 | 1,160,707,921.56 | 1.16 billion | 286 |
| GREAT LAKES DREDGE & DOCK CO, LLC | 1BSU5 | 857,585,473.72 | 857.59 million | 91 |
| TRUMBULL CORPORATION AND BRAYMAN CONSTRUCTION CORPORATION, A JOINT VENTURE | 3YYW1 | 807,393,944.80 | 807.39 million | 17 |
| DUTRA GROUP, THE | 3GSX7 | 774,612,333.76 | 774.61 million | 296 |
Insight
Over the last 10 years, NAICS 237990 obligated $72.89 billion across 64,168 awards, with an average award value of $1.14 million. Obligations are concentrated among a small set of dredging and heavy civil contractors: the top 10 vendors account for several billion dollars each, led by Great Lakes Dredge & Dock Company, LLC at $3.93 billion and Dragados/Hawaiian Dredging/Orion JV at $2.78 billion. Award volume is more dispersed than dollars, with some vendors receiving relatively high counts, such as Great Lakes Dredge & Dock Company, LLC (1,067 awards) and Manson Construction Co. (840 awards), while several top-funded vendors won fewer, larger awards.
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__principalNAICSCode = '237990'
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 10 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY year
)
ORDER BY year DESC| Year | Total Obligated | Readable | Award Actions |
|---|---|---|---|
| 2025 | 10,079,932,852.44 | 10.08 billion | 5,199 |
| 2024 | 10,229,825,407.51 | 10.23 billion | 5,490 |
| 2023 | 9,548,446,961.30 | 9.55 billion | 6,024 |
| 2022 | 9,157,198,891.47 | 9.16 billion | 5,791 |
| 2021 | 6,988,719,022.53 | 6.99 billion | 6,395 |
| 2020 | 6,792,631,909.39 | 6.79 billion | 6,995 |
| 2019 | 6,086,671,602.57 | 6.09 billion | 6,949 |
| 2018 | 5,198,898,803.54 | 5.20 billion | 6,933 |
| 2017 | 4,465,059,000.80 | 4.47 billion | 7,098 |
| 2016 | 4,341,178,511.13 | 4.34 billion | 7,294 |
Insight
Obligations in NAICS 237990 totaled $72.89 billion across 64,168 awards over the last 10 years, with an average award value of $1.14 million. Annual obligations increased from $4.34 billion in 2016 to a peak of $10.23 billion in 2024, remaining near that level at $10.08 billion in 2025. Award counts were highest in the earlier years, peaking at 7,294 in 2016, and then generally trended downward to 5,199 in 2025, indicating higher-dollar obligations in recent years despite fewer awards.
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