This NAICS page summarizes federal obligations for highway, street, and bridge construction across the last five years, totaling 10.73 billion across 25,713 award actions. Federal Highway Administration, the Department of the Army, the Department of the Navy, the Forest Service, and the Department of the Air Force account for the largest shares of obligated spending.
NAICS Industry
NAICS 237310 Federal Contract Obligations (Last 5 Years)
FPDS procurement data for NAICS 237310 covers highway, street, and bridge construction obligations, award activity, top agencies, top vendors, and annual trends over the last five years.
Annual obligations peaked in 2023 at 2.75 billion and were lowest in 2025 at 1.50 billion, while Kiewit Infrastructure West Co. is the top vendor by obligated amount.
NAICS Code
237310
Industry
HIGHWAY, STREET, AND BRIDGE CONSTRUCTION
Total Obligated
10.73 billion
10,733,615,701.28
Award Actions
25,713
Average Action Value
417,439.26
About NAICS 237310 federal contract activity
NAICS 237310, Highway, Street, and Bridge Construction, accounted for $10.73 billion in obligated federal spending across 25,713 awards over the last 5 years, with an average award value of $417,439.26. This category reflects sustained infrastructure contracting activity, with obligations distributed across transportation, defense, and land management agencies.
Agency demand and leading federal buyers
The Federal Highway Administration led obligations in this NAICS with $4.08 billion across 3,371 awards, representing the largest single-agency share of activity. The Department of the Army and Department of the Navy followed with $1.82 billion and $1.79 billion respectively, while the Forest Service and Department of the Air Force also accounted for significant spending volumes.
Vendor concentration and leading contractors
KIEWIT INFRASTRUCTURE WEST CO. was the top vendor by obligated value at $441.28 million across 150 awards, indicating both scale and repeat participation. Other major vendors included SLSCO, LTD., KIEWIT INFRASTRUCTURE SOUTH CO, GRANITE CONSTRUCTION COMPANY, and BFBC LLC, with several of these firms concentrating large obligations across relatively few awards.
Annual contract trend over the analysis window
Annual obligations peaked in 2023 at $2.75 billion, then remained elevated in 2024 at $2.53 billion before declining to $1.50 billion in 2025. Award counts were highest in 2021 through 2023, then fell in 2024 and 2025, suggesting a recent slowdown in both volume and obligated value after several strong years.
How to interpret this page
This summary is based on FPDS-observed obligations for NAICS 237310 over the last 5 years and aggregates awards by agency, vendor, and fiscal year. Amounts reflect obligated dollars recorded in the dataset and are not adjusted for inflation or interpreted as contract ceiling values.
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 = '237310'
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 |
|---|---|---|---|---|
| 6925 | FEDERAL HIGHWAY ADMINISTRATION | 4,083,788,084.72 | 4.08 billion | 3,371 |
| 2100 | DEPT OF THE ARMY | 1,819,432,314.33 | 1.82 billion | 6,513 |
| 1700 | DEPT OF THE NAVY | 1,792,445,609.16 | 1.79 billion | 2,072 |
| 12C2 | FOREST SERVICE | 1,223,198,647.17 | 1.22 billion | 6,546 |
| 5700 | DEPT OF THE AIR FORCE | 1,103,874,481.28 | 1.10 billion | 4,323 |
| 1443 | NATIONAL PARK SERVICE | 311,388,689.66 | 311.39 million | 726 |
| 3600 | VETERANS AFFAIRS, DEPARTMENT OF | 80,007,211.27 | 80.01 million | 236 |
| 97F5 | WASHINGTON HEADQUARTERS SERVICES (WHS) | 71,043,589.48 | 71.04 million | 60 |
| 1422 | BUREAU OF LAND MANAGEMENT | 64,129,601.93 | 64.13 million | 395 |
| 1448 | U.S. FISH AND WILDLIFE SERVICE | 31,736,486.57 | 31.74 million | 283 |
Insight
Obligations in NAICS 237310 are concentrated among a small set of agencies, with the Federal Highway Administration accounting for $4.08 billion over the last 5 years, or about 38% of the $10.73 billion total. The Department of the Army, Department of the Navy, Forest Service, and Department of the Air Force together add another $5.94 billion, indicating that defense and land-management agencies represent a substantial share of activity alongside transportation. Award volume is more distributed than dollars, led by the Forest Service (6,546 awards) and Department of the Army (6,513 awards), while the top five agencies by obligation account for most spending in this NAICS.
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 = '237310'
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
)
ORDER BY total_obligated DESC
LIMIT 10| Vendor | CAGE Code | Total Obligated | Readable | Award Actions |
|---|---|---|---|---|
| KIEWIT INFRASTRUCTURE WEST CO. | 4TJJ4 | 441,275,625.06 | 441.28 million | 150 |
| SLSCO, LTD. | 5C2J9 | 327,270,000.00 | 327.27 million | 3 |
| KIEWIT INFRASTRUCTURE SOUTH CO | 1F7W9 | 269,276,072.12 | 269.28 million | 2 |
| GRANITE CONSTRUCTION COMPANY | 1X910 | 253,466,762.83 | 253.47 million | 85 |
| BFBC LLC | 853G5 | 252,926,000.00 | 252.93 million | 3 |
| H-K CONTRACTORS, INC. | 0RZ01 | 214,957,094.67 | 214.96 million | 100 |
| THE LANE CONSTRUCTION CORPORATION | 8J160 | 207,849,000.00 | 207.85 million | 6 |
| FORT MYER CONSTRUCTION CORPORATION | 0LSD8 | 171,360,669.83 | 171.36 million | 23 |
| KIEWIT INFRASTRUCTURE CO | 6V4D8 | 170,079,040.00 | 170.08 million | 35 |
| BLACK MICRO CORPORATION | 1VT76 | 163,176,714.85 | 163.18 million | 14 |
Insight
Over the last 5 years, NAICS 237310 obligated $10.73 billion across 25,713 awards, with an average award value of $417,439, indicating a high-volume market with moderate average award size. Top obligations are concentrated among a small set of firms, led by KIEWIT INFRASTRUCTURE WEST CO. at $441.28 million, while several other vendors exceed $200 million. Award volume is uneven across the top vendors: some firms have substantial obligated dollars from relatively few awards, while others, such as KIEWIT INFRASTRUCTURE WEST CO., GRANITE CONSTRUCTION COMPANY, and H-K CONTRACTORS, INC., combine higher obligation totals with larger award counts.
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 = '237310'
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 | 1,502,115,017.13 | 1.50 billion | 4,286 |
| 2024 | 2,533,417,921.71 | 2.53 billion | 5,079 |
| 2023 | 2,753,519,723.42 | 2.75 billion | 5,365 |
| 2022 | 2,147,357,567.51 | 2.15 billion | 5,396 |
| 2021 | 1,797,205,471.51 | 1.80 billion | 5,587 |
Insight
NAICS 237310 obligated spending totaled $10.73 billion across 25,713 awards over the last 5 years, with an average award value of $417,439. Obligation levels rose from $1.80 billion in 2021 to a peak of $2.75 billion in 2023, then declined to $2.53 billion in 2024 and $1.50 billion in 2025. Award counts remained relatively steady in the 4,286 to 5,587 range, indicating that year-to-year changes were driven more by award value than by volume.
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