01 / NAICS Market Profile
NAICS 561621 Security Systems Services (Except Locksmiths) Federal Contracts
North American Industry Classification System code 561621
Federal contract activity classified under Security Systems Services (Except Locksmiths) across FY 2020–FY 2026. Net obligations include both new obligations and subsequent deobligations.
02 / Market Size
How large is the NAICS 561621 federal market?
03 / Spending Trend
NAICS 561621 contract spending by fiscal year
Annual obligations, activity, and participation across the same FY 2020–FY 2026 profile window.
Latest closed fiscal year$701.09M
FY 2026| Fiscal year | Obligations | Actions | Vendors | Customers | Change |
|---|---|---|---|---|---|
| FY 2020 | $655.89M | 6,697 | 1,132 | 110 | — |
| FY 2021 | $665.02M | 6,348 | 1,116 | 111 | +1.4% |
| FY 2022 | $743.96M | 6,630 | 1,099 | 115 | +11.9% |
| FY 2023 | $757.95M | 6,264 | 1,101 | 111 | +1.9% |
| FY 2024 | $805.37M | 6,010 | 1,098 | 122 | +6.3% |
| FY 2025 | $783.57M | 5,818 | 1,045 | 117 | −2.7% |
| FY 2026 | $701.09M | 4,617 | 897 | 111 | −10.5% |
04 / Top Federal Customers
Which federal agencies buy most in this industry?
Ranked by net obligations during FY 2020–FY 2026.
| Federal customer | Code | Obligations | Actions | Vendors | Market share |
|---|---|---|---|---|---|
| DEPT OF THE AIR FORCE | 5700 | $971.67M | 4,311 | 480 | 19.0% |
| DEPT OF THE NAVY | 1700 | $879.05M | 3,053 | 252 | 17.2% |
| OFFICE OF PROCUREMENT OPERATIONS | 7001 | $522.62M | 1,210 | 91 | 10.2% |
| DEPT OF THE ARMY | 2100 | $411.44M | 4,261 | 485 | 8.0% |
| VETERANS AFFAIRS, DEPARTMENT OF | 3600 | $355.49M | 5,387 | 540 | 7.0% |
| U.S. MARSHALS SERVICE | 1544 | $297.68M | 4,577 | 27 | 5.8% |
| WASHINGTON HEADQUARTERS SERVICES (WHS) | 97F5 | $243.54M | 982 | 15 | 4.8% |
| FEDERAL AVIATION ADMINISTRATION | 6920 | $234.29M | 1,345 | 50 | 4.6% |
| FEDERAL BUREAU OF INVESTIGATION | 1549 | $87.30M | 364 | 34 | 1.7% |
| U.S. CUSTOMS AND BORDER PROTECTION | 7014 | $73.63M | 428 | 70 | 1.4% |
05 / Contracting Offices
Which contracting offices buy in NAICS 561621?
Ranked by net obligations during FY 2020–FY 2026.
| Office | Code | Agency | Obligations | Actions | Vendors | Market share |
|---|---|---|---|---|---|---|
| FA8730 KESSEL RUN AFLCMC/HBBK | FA8730 | DEPT OF THE AIR FORCE | $451.46M | 709 | 25 | 8.8% |
| NAVFAC SYSTEMS AND EXP WARFARE CTR | N39430 | DEPT OF THE NAVY | $404.73M | 68 | 2 | 7.9% |
| FA2381 FORCE PROTECTION AFLCMC/HBUK | FA2381 | DEPT OF THE AIR FORCE | $266.05M | 404 | 15 | 5.2% |
| FPS WEST CCG | 70RFPW | OFFICE OF PROCUREMENT OPERATIONS | $246.65M | 331 | 16 | 4.8% |
| WASHINGTON HEADQUARTERS SERVICES | HQ0034 | WASHINGTON HEADQUARTERS SERVICES (WHS) | $243.54M | 982 | 15 | 4.8% |
| 693KA8 SYSTEM OPERATIONS CONTRACTS | 693KA8 | FEDERAL AVIATION ADMINISTRATION | $228.76M | 935 | 5 | 4.5% |
| FPS EAST CCG DIV 4 ACQ DIV | 70RFP4 | OFFICE OF PROCUREMENT OPERATIONS | $133.25M | 370 | 35 | 2.6% |
| NAVAL SURFACE WARFARE CENTER | N64267 | DEPT OF THE NAVY | $132.06M | 81 | 9 | 2.6% |
| PROCUREMENT DIVISION, PSS | 15M106 | U.S. MARSHALS SERVICE | $130.73M | 1,045 | 10 | 2.6% |
| PAE STRATEGIC SYSTEMS PROGRAMS | N00030 | DEPT OF THE NAVY | $102.18M | 90 | 3 | 2.0% |
06 / Top Vendors
Which contractors lead the NAICS 561621 market?
| Vendor | Obligations | Actions | Customers | Market share | Latest activity |
|---|---|---|---|---|---|
| M. C. DEAN, INC. | $616.07M | 2,849 | 9 | 12.0% | Sep 30, 2026 |
| SERCO INC. | $531.05M | 94 | 1 | 10.4% | Jun 10, 2026 |
| JOHNSON CONTROLS SECURITY SOLUTIONS LLC | $293.59M | 5,156 | 48 | 5.7% | Sep 30, 2026 |
| PARAGON SYSTEMS, INC. | $217.52M | 142 | 1 | 4.3% | Jul 7, 2026 |
| TRIPLE CANOPY, INC. | $202.10M | 316 | 1 | 4.0% | Sep 16, 2026 |
| CACI INTERNATIONAL INC | $166.51M | 88 | 1 | 3.3% | Jun 16, 2026 |
| XATOR CORPORATION | $137.80M | 311 | 3 | 2.7% | Jun 24, 2026 |
| ADVANCED TECHNOLOGY SYSTEMS COMPANY, INC. (OF VIRGINIA) | $133.54M | 54 | 1 | 2.6% | Jul 1, 2026 |
| JOHNSON CONTROLS BUILDING AUTOMATION SYSTEMS, LLC | $97.64M | 751 | 6 | 1.9% | Sep 23, 2026 |
| GENERAL DYNAMICS MISSION SYSTEMS, INC. | $97.27M | 88 | 2 | 1.9% | Apr 21, 2026 |
07 / Product and Service Mix
What products and services are purchased under NAICS 561621?
| PSC | Description | Obligations | Actions | Vendors | Share |
|---|---|---|---|---|---|
| 6350 | MISCELLANEOUS ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS | $874.72M | 8,397 | 767 | 17.1% |
| J063 | MAINT/REPAIR/REBUILD OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS | $814.69M | 8,952 | 801 | 15.9% |
| J059 | MAINT/REPAIR/REBUILD OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS | $608.81M | 592 | 74 | 11.9% |
| N063 | INSTALLATION OF EQUIPMENT- ALARM, SIGNAL, AND SECURITY DETECTION SYSTEMS | $539.30M | 6,276 | 634 | 10.5% |
| S206 | HOUSEKEEPING- GUARD | $471.04M | 580 | 28 | 9.2% |
| R499 | SUPPORT- PROFESSIONAL: OTHER | $361.47M | 1,257 | 80 | 7.1% |
| 5810 | COMMUNICATIONS SECURITY EQUIPMENT AND COMPONENTS | $186.50M | 907 | 217 | 3.6% |
| R430 | SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING | $161.79M | 772 | 86 | 3.2% |
| J012 | MAINT/REPAIR/REBUILD OF EQUIPMENT- FIRE CONTROL EQUIPMENT | $134.43M | 1,344 | 160 | 2.6% |
| R408 | SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT | $53.58M | 167 | 22 | 1.0% |
08 / Buying Pattern
How does the government buy in NAICS 561621?
| Common action type | Obligations | Actions |
|---|---|---|
| PURCHASE ORDER | $743.26M | 17,953 |
| DELIVERY ORDER | $2.86B | 14,889 |
| DEFINITIVE CONTRACT | $1.06B | 5,581 |
| BPA CALL | $454.39M | 3,961 |
09 / Recent Contract Awards
What was awarded most recently in NAICS 561621?
10 / Market Interpretation
How should contractors evaluate this market?
Start with the spending direction
Compare annual obligations with actions and vendor participation. Growth driven by only a few large actions represents a different opportunity from broad, recurring demand.
Follow the actual buyers
Move from federal customers to contracting offices. Offices reveal where acquisition responsibility and recurring purchasing activity are concentrated.
Measure accessible demand
Use competition, small-business participation, incumbent vendors, and PSC mix before treating the full $5.11B market as addressable.