NAICS Code 561612: Security Guards and Patrol Services
National industry
SBA small business size standard: $29 million in average annual receipts
Definition
This U.S. industry comprises establishments primarily engaged in providing guard and patrol services, such as bodyguard, guard dog, and parking security services.
Government contracts for this service: PSC S206 Security Guard Services
Code facts
- Part of
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56
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561
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5616
- 56161
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5616
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561
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56
- Contract awards
- 2,244 In the last 12 months
- Contract obligations
- $5,996,719,683 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 561612
- Body guard services
- Guard dog services
- Guard services
- Parking security services
- Patrol services, security
- Personal protection services (except security systems services)
- Property protection services (except armored car, security systems)
- Protection services (except armored car, security systems), personal or property
- Protective guard services
- Security guard services
- Security patrol services
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $228,629,397 |
| FY2026 | $7,083,231,638 |
| FY2025 | $5,996,719,683 |
| FY2024 | $5,665,863,264 |
| FY2023 | $5,625,037,446 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Amentum Services, Inc. | $713,665,746 | |
| 2 | The GEO Group, Inc. | $648,110,424 | |
| 3 | Metropolitan Security Services, Inc. | $630,613,434 | |
| 4 | Corecivic, Inc. | $358,902,886 | |
| 5 | Universal Protection Service, LIMITED Partnership | $317,558,400 | |
| 6 | Paragon Systems Inc. | $288,580,098 | |
| 7 | Triple Canopy Inc. | $273,012,227 | |
| 8 | Akima Infrastructure Protection LLC | $239,082,946 | |
| 9 | Gardaworld Federal Services LLC | $214,543,558 | |
| 10 | Mvm, Inc. | $185,790,498 |
See the full FY2025 ranking of NAICS 561612 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Homeland Security | $4,478,172,233 | |
| 2 | Department of State | $799,360,478 | |
| 3 | Administrative Office of the U.S. Courts | $688,280,882 | |
| 4 | Department of the Army | $304,094,786 | |
| 5 | Department of Justice | $235,024,906 | |
| 6 | Department of Health and Human Services | $126,626,145 | |
| 7 | National Aeronautics and Space Administration | $91,286,223 | |
| 8 | Department of Veterans Affairs | $78,193,164 | |
| 9 | Department of Energy | $69,122,473 | |
| 10 | Department of the Navy | $61,665,631 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | S206 Guard Services | $6,195,090,178 | |
| 2 | R430 Support – Professional: Physical Security and Badging | $761,593,652 | |
| 3 | R499 Other Professional Services | $112,919,089 | |
| 4 | V999 Other Transportation Travel and Relocation Services | $78,817,385 | |
| 5 | Y1AA Construction of Office Buildings | $65,418,777 | |
| 6 |
R408 Program Management/ |
$25,600,437 | |
| 7 | M1FF Operation of Penal Facilities | $17,588,346 | |
| 8 | R615 Support – Administrative: Background Investigation | $12,147,935 | |
| 9 | S201 Custodial Janitorial Services | $6,963,283 | |
| 10 | Y1JZ Construction of Miscellaneous Buildings | $4,980,485 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Texas | $1,264,892,204 | |
| 2 | California | $760,943,322 | |
| 3 | Florida | $620,680,310 | |
| 4 | Tennessee | $606,539,994 | |
| 5 | District of Columbia | $374,699,133 | |
| 6 | Virginia | $362,697,388 | |
| 7 | Maryland | $230,539,308 | |
| 8 | New York | $193,016,734 | |
| 9 | Alaska | $146,572,842 | |
| 10 | New Jersey | $120,322,265 | |
| 11 | Washington | $111,045,733 | |
| 12 | Michigan | $105,363,402 | |
| 13 | Colorado | $93,139,065 | |
| 14 | Georgia | $91,029,694 | |
| 15 | Arizona | $89,552,786 | |
| 16 | Missouri | $89,305,444 | |
| 17 | Utah | $87,902,616 | |
| 18 | Massachusetts | $53,307,712 | |
| 19 | North Carolina | $47,311,065 | |
| 20 | Minnesota | $41,677,379 | |
| 21 | Illinois | $41,642,716 | |
| 22 | New Mexico | $41,036,248 | |
| 23 | Pennsylvania | $40,604,213 | |
| 24 | Kansas | $40,321,787 | |
| 25 | Alabama | $38,640,514 | |
| 26 | Puerto Rico | $37,072,116 | |
| 27 | Ohio | $36,182,935 | |
| 28 | Louisiana | $34,590,665 | |
| 29 | Hawaii | $25,375,310 | |
| 30 | Oregon | $25,295,050 | |
| 31 | Mississippi | $23,777,419 | |
| 32 | Kentucky | $21,598,215 | |
| 33 | Montana | $21,034,389 | |
| 34 | West Virginia | $18,413,696 | |
| 35 | Oklahoma | $17,033,786 | |
| 36 | South Dakota | $16,125,621 | |
| 37 | Nevada | $14,245,036 | |
| 38 | South Carolina | $14,188,516 | |
| 39 | Indiana | $13,961,468 | |
| 40 | Connecticut | $8,696,715 | |
| 41 | Arkansas | $8,318,221 | |
| 42 | Wisconsin | $8,208,363 | |
| 43 | Idaho | $8,047,987 | |
| 44 | New Hampshire | $5,506,938 | |
| 45 | Nebraska | $4,901,184 | |
| 46 | Rhode Island | $4,626,815 | |
| 47 | Iowa | $3,449,608 | |
| 48 | Maine | $3,353,227 | |
| 49 | Vermont | $2,191,830 | |
| 50 | Guam | $1,747,501 | |
| 51 | Delaware | $1,511,280 | |
| 52 | North Dakota | $1,386,704 | |
| 53 | Wyoming | $582,767 | |
| 54 | U.S. Virgin Islands | $371,806 | |
| 55 | Northern Mariana Islands | $105,228 |
Show all 55
Shares are of everything obligated under NAICS 561612 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 38 more
Latest 48 of 6,262 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
Show all 11
Proposed size standard changes
| Proposed rule | Published | Comments |
|---|---|---|
| Small Business Size Standards: Monetary-Based Industry Size Standards | Closed Oct 21, 2025No final rule found |
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 561612?
NAICS 561612 is Security Guards and Patrol Services, a national industry in NAICS 56, Administrative and Support and Waste Management and Remediation Services.
What is the NAICS code for guard services?
The NAICS code for guard services is 561612, Security Guards and Patrol Services.
What is the NAICS code for body guard services?
The NAICS code for body guard services is 561612, Security Guards and Patrol Services.
What is the NAICS code for security guard services?
The NAICS code for security guard services is 561612, Security Guards and Patrol Services.
When did the size standard for NAICS 561612 last change?
The most recent Federal Register rule on record that names NAICS 561612 in the SBA's size standards is "Small Business Size Standards: Adjustment of Monetary-Based Size Standards, Disadvantage Thresholds, and 8(a) Eligibility Thresholds for Inflation" (87 FR 69118), published Nov 17, 2022 and effective Dec 19, 2022.
How much do federal agencies spend under NAICS 561612?
Federal contracts under NAICS 561612 obligated $5,996,719,683 in fiscal year 2025 and $24,599,481,428 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 561612?
The contractors with the most obligated under NAICS 561612 in fiscal years 2026 and 2027 are Amentum Services, Inc. ($713,665,746); The GEO Group, Inc. ($648,110,424); and Metropolitan Security Services, Inc. ($630,613,434).
Which agencies buy the most under NAICS 561612?
The agencies that obligated the most under NAICS 561612 in fiscal years 2026 and 2027 are Department of Homeland Security ($4,478,172,233), Department of State ($799,360,478) and Administrative Office of the U.S. Courts ($688,280,882).
Which PSC codes are used with NAICS 561612?
The PSC codes with the most obligated under NAICS 561612 in fiscal years 2026 and 2027 are S206 Guard Services, R430 Support – Professional: Physical Security and Badging and R499 Other Professional Services.
Where is the work under NAICS 561612 performed?
By place of performance, the states with the most contract obligations under NAICS 561612 over the last 12 months are Texas ($1,264,892,204), California ($760,943,322) and Florida ($620,680,310).
What is the latest contract opportunity under NAICS 561612?
The latest contract opportunity under NAICS 561612 is Force protection of robert E. Kamosa transmitting station facilities, tinian, pre-solicitation from Pacific Air Forces (USAF), posted November 6, 2026.
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