This page summarizes federal obligations for NAICS 561621, including annual trends, leading agencies, and top vendors in security systems services excluding locksmiths. The dataset shows concentrated spending at the Department of the Air Force and Department of the Navy, with recurring awards to major security integrators and service providers.
NAICS Industry
NAICS 561621 Federal Contract Obligations (Last 10 Years)
Federal contracting activity under NAICS 561621 covers security systems services, excluding locksmiths, with 68,211 award actions and $6.98 billion obligated over the last 10 years.
Figures reflect FPDS-readable obligations for the last 10 years and may differ from totals in other reporting views due to rounding or record updates.
NAICS Code
561621
Industry
SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS)
Total Obligated
6.98 billion
6,977,730,637.58
Award Actions
68,211
Average Action Value
102,296.26
About NAICS 561621 federal contract activity
FPDS records show 68,211 awards under NAICS 561621, Security Systems Services (Except Locksmiths), over the last 10 years, with total obligated funding of 6.98 billion and an average award value of 102,296.26. The category is active and high-volume, reflecting recurring federal demand for alarm, surveillance, access control, and related security system services.
Agency demand and leading federal buyers
The Department of the Air Force is the largest obligating agency in this NAICS, with 1.31 billion across 6,007 awards, followed by the Department of the Navy at 1.16 billion across 4,669 awards. Office of Procurement Operations, the Department of the Army, and the U.S. Marshals Service also account for substantial demand, indicating both defense and civilian security requirements.
Vendor concentration and leading contractors
Serco Inc. leads all vendors by obligated dollars at 613.61 million across 127 awards, while M. C. Dean, Inc. follows with 468.86 million across 2,126 awards. Johnson Controls Security Solutions LLC and Tyco Integrated Security LLC together represent a large share of award activity, with Tyco posting especially high award volume at 6,936 awards; Triple Canopy, Inc. is also a major recipient at 231.36 million.
Annual contract trend over the analysis window
Annual obligations remain strong in the most recent years, peaking in the provided window at 818.51 million in 2024 and staying elevated at 747.14 million in 2025. Award counts have been relatively stable, ranging from 5,580 in 2025 to 6,464 in 2021, suggesting sustained procurement activity rather than a single one-time surge.
How to interpret this page
This page summarizes FPDS obligations and award counts associated with NAICS 561621 over the last 10 years, using the provided analysis window and current dataset totals. Dollar values are reported as obligated amounts, vendor and agency rankings are based on total obligated dollars, and award counts reflect the number of reported awards in the dataset.
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 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 |
|---|---|---|---|---|
| 5700 | DEPT OF THE AIR FORCE | 1,310,041,823.50 | 1.31 billion | 6,007 |
| 1700 | DEPT OF THE NAVY | 1,161,872,248.70 | 1.16 billion | 4,669 |
| 7001 | OFFICE OF PROCUREMENT OPERATIONS | 647,967,670.25 | 647.97 million | 1,734 |
| 2100 | DEPT OF THE ARMY | 598,347,742.10 | 598.35 million | 6,853 |
| 1544 | U.S. MARSHALS SERVICE | 500,852,549.26 | 500.85 million | 10,792 |
| 3600 | VETERANS AFFAIRS, DEPARTMENT OF | 404,927,812.74 | 404.93 million | 6,909 |
| 97F5 | WASHINGTON HEADQUARTERS SERVICES (WHS) | 330,670,141.87 | 330.67 million | 1,514 |
| 1900 | STATE, DEPARTMENT OF | 272,396,442.26 | 272.40 million | 4,519 |
| 6920 | FEDERAL AVIATION ADMINISTRATION | 230,446,833.03 | 230.45 million | 1,492 |
| 7013 | TRANSPORTATION SECURITY ADMINISTRATION | 149,184,909.02 | 149.18 million | 488 |
Insight
Over the last 10 years, NAICS 561621 obligations totaled $6.98 billion across 68,211 awards, with an average award value of $102.3 thousand, indicating a high-volume, relatively fragmented award profile. The Department of the Air Force and Department of the Navy are the largest obligating agencies, at $1.31 billion and $1.16 billion respectively, together accounting for roughly 35% of total obligations in this NAICS. The next tier is materially smaller, led by Office of Procurement Operations ($647.97 million), Department of the Army ($598.35 million), and U.S. Marshals Service ($500.85 million), which suggests spending is concentrated among a few defense and security-related buyers but distributed 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 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 |
|---|---|---|---|---|
| SERCO INC. | 022Q2 | 613,608,735.29 | 613.61 million | 127 |
| M. C. DEAN, INC. | 3K773 | 468,859,936.48 | 468.86 million | 2,126 |
| JOHNSON CONTROLS SECURITY SOLUTIONS LLC | 8B951 | 300,019,991.26 | 300.02 million | 4,199 |
| TYCO INTEGRATED SECURITY LLC | 8B951 | 288,259,879.54 | 288.26 million | 6,936 |
| TRIPLE CANOPY, INC. | 3K6X2 | 231,361,908.10 | 231.36 million | 326 |
| PARAGON SYSTEMS, INC. | 69298 | 195,492,550.12 | 195.49 million | 116 |
| M.C. DEAN, INC. | 3K773 | 163,295,052.37 | 163.30 million | 1,067 |
| CACI INTERNATIONAL INC | 0HB52 | 139,837,361.28 | 139.84 million | 74 |
| OLGOONIK GLOBAL SECURITY , LLC | 4FAH6 | 138,317,636.51 | 138.32 million | 30 |
| ADVANCED TECHNOLOGY SYSTEMS COMPANY, INC. (OF VIRGINIA) | 1LBD2 | 130,797,448.41 | 130.80 million | 49 |
Insight
Obligations in NAICS 561621 total $6.98 billion over the last 10 years across 68,211 awards, with an average award value of $102,296.26. Top vendor obligations are moderately concentrated: SERCO INC. leads at $613.61 million, followed by M. C. DEAN, INC. at $468.86 million, while the remaining top vendors each range from about $130.80 million to $300.02 million. Award volume is more dispersed than dollars, with M.C. DEAN, INC. and TYCO INTEGRATED SECURITY LLC each receiving many more awards than the highest-obligation vendors, indicating a mix of large-dollar and high-frequency contracting activity.
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 10 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 |
| 2020 | 706,947,015.69 | 706.95 million | 6,662 |
| 2019 | 689,405,013.41 | 689.41 million | 6,874 |
| 2018 | 608,481,607.99 | 608.48 million | 7,132 |
| 2017 | 641,583,456.39 | 641.58 million | 8,890 |
| 2016 | 614,958,466.83 | 614.96 million | 8,067 |
Insight
Over the last 10 years, NAICS 561621 obligated $6.98 billion across 68,211 awards, with an average award value of $102,296. Obligations were relatively steady, ranging from $608.48 million in 2018 to a peak of $818.51 million in 2024, indicating a stable but moderately variable spend profile. Award counts generally trended downward from 8,890 in 2017 to 5,580 in 2025, even as obligated dollars remained near the $600 million to $800 million range, suggesting fewer awards with higher average dollars in recent years.
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