This page summarizes federal awards for security systems services, including agency spending, vendor concentration, and annual obligation trends over the last five years. The dataset shows steady demand, led by the Department of the Air Force, the Department of the Navy, and major providers such as M. C. Dean, Serco, and Johnson Controls Security Solutions.
NAICS Industry
NAICS 561621 Federal Contract Obligations (Last 5 Years)
Federal procurement activity for NAICS 561621 covers security systems services other than locksmiths, with 3.72 billion obligated across 30,586 actions in the last five years.
Totals reflect readable and exact obligated amounts from FPDS-style award records for the selected five-year analysis window.
NAICS Code
561621
Industry
SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS)
Total Obligated
3.72 billion
3,716,355,077.27
Award Actions
30,586
Average Action Value
121,505.10
About NAICS 561621 federal contract activity
NAICS 561621, Security Systems Services (Except Locksmiths), recorded $3.72 billion in obligated FPDS spending across 30,586 awards over the last 5 years, with an average award value of $121,505.10. The volume and dollar value indicate a broad, recurring federal demand for installation, monitoring, and related security systems support services rather than a small number of large procurements.
Agency demand and leading federal buyers
The Department of the Air Force was the largest buyer in this sector with $726.45 million across 3,291 awards, followed by the Department of the Navy at $665.11 million across 2,359 awards. Office of Procurement Operations, the Department of the Army, and the Department of Veterans Affairs also rank among the top obligating agencies, showing that demand is concentrated in defense and large civilian facility portfolios.
Vendor concentration and leading contractors
M. C. DEAN, INC. led vendors with $446.28 million in obligations across 1,959 awards, followed by SERCO INC. at $388.20 million and PARAGON SYSTEMS, INC. at $195.49 million. Johnson Controls Security Solutions LLC stands out for a high award count of 3,007 despite a lower total than the top two vendors, indicating extensive tasking across many smaller awards.
Annual contract trend over the analysis window
Annual obligations were highest in 2024 at $818.51 million, then eased to $747.14 million in 2025, after posting $760.44 million in 2023 and $767.30 million in 2022. Award counts declined steadily from 6,464 in 2021 to 5,580 in 2025, suggesting somewhat fewer transactions even as obligation levels remained elevated.
How to interpret this page
This summary is based on FPDS award records filtered to NAICS 561621 for the last 5 years and aggregated by obligations, award count, agency, vendor, and fiscal year. Dollar figures reflect total obligated amounts in the analyzed period; vendor and agency rankings are ordered by total obligations, with award counts included to show transaction volume. This page does not infer scope beyond the reported procurement data.
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 = '561621'
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 |
|---|---|---|---|---|
| 5700 | DEPT OF THE AIR FORCE | 726,445,886.99 | 726.45 million | 3,291 |
| 1700 | DEPT OF THE NAVY | 665,106,978.14 | 665.11 million | 2,359 |
| 7001 | OFFICE OF PROCUREMENT OPERATIONS | 370,761,283.62 | 370.76 million | 903 |
| 2100 | DEPT OF THE ARMY | 296,319,952.03 | 296.32 million | 3,124 |
| 3600 | VETERANS AFFAIRS, DEPARTMENT OF | 261,839,379.27 | 261.84 million | 3,753 |
| 1544 | U.S. MARSHALS SERVICE | 240,876,721.70 | 240.88 million | 3,042 |
| 97F5 | WASHINGTON HEADQUARTERS SERVICES (WHS) | 168,603,624.12 | 168.60 million | 771 |
| 6920 | FEDERAL AVIATION ADMINISTRATION | 147,422,153.93 | 147.42 million | 901 |
| 1549 | FEDERAL BUREAU OF INVESTIGATION | 64,487,817.37 | 64.49 million | 278 |
| 7014 | U.S. CUSTOMS AND BORDER PROTECTION | 54,328,899.42 | 54.33 million | 270 |
Insight
Over the last 5 years, NAICS 561621 obligated $3.72 billion across 30,586 awards, with activity concentrated in a small set of civilian and defense agencies. The Department of the Air Force led obligations at $726.45 million, followed by the Department of the Navy at $665.11 million and the Office of Procurement Operations at $370.76 million; together, these three agencies accounted for about 45% of total obligated dollars in this NAICS. Award counts were more dispersed, with the Veterans Affairs Department (3,753 awards), Department of the Air Force (3,291), and Department of the Army (3,124) among the highest-volume buyers, indicating broad use of lower-dollar security systems services across multiple agencies.
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 = '561621'
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 |
|---|---|---|---|---|
| M. C. DEAN, INC. | 3K773 | 446,279,831.04 | 446.28 million | 1,959 |
| SERCO INC. | 022Q2 | 388,195,213.17 | 388.20 million | 79 |
| PARAGON SYSTEMS, INC. | 69298 | 195,492,550.12 | 195.49 million | 116 |
| JOHNSON CONTROLS SECURITY SOLUTIONS LLC | 8B951 | 188,945,992.14 | 188.95 million | 3,007 |
| ADVANCED TECHNOLOGY SYSTEMS COMPANY, INC. (OF VIRGINIA) | 1LBD2 | 130,794,948.41 | 130.79 million | 47 |
| CACI INTERNATIONAL INC | 0HB52 | 126,446,223.28 | 126.45 million | 71 |
| TRIPLE CANOPY, INC. | 3K6X2 | 122,966,507.19 | 122.97 million | 228 |
| GENERAL DYNAMICS MISSION SYSTEMS, INC. | 3CX85 | 96,116,552.00 | 96.12 million | 46 |
| JOHNSON CONTROLS BUILDING AUTOMATION SYSTEMS, LLC | 3GZH7 | 77,270,056.67 | 77.27 million | 608 |
| CHENEGA INTEGRATED SECURITY SOLUTIONS, LLC | 5BN19 | 67,949,558.33 | 67.95 million | 135 |
Insight
Over the last 5 years, NAICS 561621 obligations total $3.72 billion across 30,586 awards, with an average award value of $121.5 thousand. Vendor activity is moderately concentrated: M. C. DEAN, INC. leads with $446.28 million and 1,959 awards, followed by SERCO INC. at $388.20 million and PARAGON SYSTEMS, INC. at $195.49 million. Several vendors combine relatively high obligations with very different award counts, indicating a mix of large tasking patterns and higher-volume, lower-dollar award activity among top recipients.
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 = '561621'
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 | 747,138,099.10 | 747.14 million | 5,580 |
| 2024 | 818,508,475.16 | 818.51 million | 5,936 |
| 2023 | 760,441,830.80 | 760.44 million | 6,209 |
| 2022 | 767,297,554.00 | 767.30 million | 6,397 |
| 2021 | 622,969,118.21 | 622.97 million | 6,464 |
Insight
Over the last 5 years, NAICS 561621 obligations totaled $3.72 billion across 30,586 awards, with an average award value of about $121.5K. Annual obligations were relatively stable from 2021 through 2024, ranging from $623.0 million to $818.5 million, before declining to $747.1 million in 2025. Award counts were highest in 2021 at 6,464 and trended down to 5,580 in 2025, indicating a moderate reduction in transaction volume alongside a generally steady funding profile.
Use FPDS Query for deeper industry analysis
Explore federal procurement data with custom SQL, fast filtering, and deeper industry analysis across agencies, vendors, and annual trends.
Continue from this last 5 years view into full FPDS Query workflows with deeper filtering, custom SQL, saved queries, and broader market comparison.