NAICS Code 811121: Automotive Body, Paint, and Interior Repair and Maintenance
National industry
SBA small business size standard: $9 million in average annual receipts
Definition
This U.S. industry comprises establishments primarily engaged in repairing or customizing automotive vehicle and trailer bodies and interiors; and/or painting automotive vehicles and trailer bodies.
Government contracts for this service: PSC R499 Other Professional Services and PSC R425 Engineering and Technical Services
Code facts
- Part of
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81
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811
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8111
- 81112
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8111
-
811
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81
- Contract awards
- 297 In the last 12 months
- Contract obligations
- $54,243,196 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 811121
- Antique and classic automotive restoration
- Automotive body shops
- Automotive paint shops
- Automotive upholstery shops
- Body shops, automotive
- Interior repair shops, automotive
- Paint shops, automotive
- Restoration shops, antique and classic automotive
- Truck trailer body shops
- Truck trailer paint and body repair
- Upholstery shops, automotive
- Van conversion shops (except on assembly line or factory basis)
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 | $52,840 |
| FY2026 | $126,269,782 |
| FY2025 | $54,243,196 |
| FY2024 | $18,937,709 |
| FY2023 | $20,393,274 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Deloitte Consulting LLP | $31,842,690 | |
| 2 | L3Harris Technologies, Inc. | $14,450,957 | |
| 3 | Noblis, Inc. | $13,587,634 | |
| 4 | Northrop Grumman Systems Corporation | $11,360,437 | |
| 5 | Astrion Group, LLC | $10,328,215 | |
| 6 | Ernst & Young LLP | $7,757,702 | |
| 7 | Dlh, LLC | $6,978,228 | |
| 8 | American Engineering Corporation | $4,388,400 | |
| 9 | Battelle Memorial Institute | $4,267,042 | |
| 10 | Credence Management Solutions LIMITED Liability Company | $3,217,834 |
See the full FY2025 ranking of NAICS 811121 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Air Force | $52,995,847 | |
| 2 | Department of Homeland Security | $40,341,723 | |
| 3 | Department of the Army | $11,642,052 | |
| 4 | Department of Health and Human Services | $7,004,511 | |
| 5 | Department of the Navy | $4,620,191 | |
| 6 | Department of Veterans Affairs | $2,738,274 | |
| 7 | General Services Administration | $2,091,618 | |
| 8 | Department of Justice | $2,008,078 | |
| 9 | National Aeronautics and Space Administration | $800,358 | |
| 10 | Department of the Interior | $550,159 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R499 Other Professional Services | $42,805,724 | |
| 2 | R425 Engineering and Technical Services | $35,376,708 | |
| 3 |
R408 Program Management/ |
$19,708,349 | |
| 4 | J023 Maintenance, Repair and Rebuilding of Equipment: Ground Effect Vehicles, Motor Vehicles, Trailers, and Cycles | $12,149,878 | |
| 5 | AJ13 General Science & Technology R&D Services; General Science & Technology; Experimental Development | $3,733,719 | |
| 6 |
R410 Support – Professional: Program Evaluation/ |
$2,746,818 | |
| 7 | U099 Other Education and Training Services | $2,178,110 | |
| 8 | R706 Logistics Support Services | $1,187,891 | |
| 9 | R710 Support – Management: Financial | $1,049,027 | |
| 10 | AC12 National Defense R&D Services; Department of Defense – Military; Applied Research | $1,020,369 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $42,104,179 | |
| 2 | Colorado | $14,506,243 | |
| 3 | District of Columbia | $11,934,785 | |
| 4 | Ohio | $10,880,216 | |
| 5 | Maryland | $9,194,385 | |
| 6 | New York | $7,831,540 | |
| 7 | California | $5,238,699 | |
| 8 | Florida | $3,867,857 | |
| 9 | Illinois | $1,882,779 | |
| 10 | Oklahoma | $1,483,283 | |
| 11 | Texas | $317,170 | |
| 12 | Pennsylvania | $292,397 | |
| 13 | Montana | $276,530 | |
| 14 | New Mexico | $169,585 | |
| 15 | North Carolina | $162,016 | |
| 16 | Louisiana | $151,471 | |
| 17 | Georgia | $139,062 | |
| 18 | Washington | $136,198 | |
| 19 | Oregon | $128,775 | |
| 20 | Massachusetts | $124,621 | |
| 21 | Arizona | $118,383 | |
| 22 | South Dakota | $100,402 | |
| 23 | Tennessee | $98,651 | |
| 24 | Vermont | $90,000 | |
| 25 | Alaska | $87,836 | |
| 26 | Hawaii | $80,493 | |
| 27 | New Jersey | $78,343 | |
| 28 | North Dakota | $70,641 | |
| 29 | West Virginia | $68,267 | |
| 30 | Mississippi | $67,589 | |
| 31 | Nevada | $44,414 | |
| 32 | Alabama | $37,053 | |
| 33 | Kentucky | $31,362 | |
| 34 | Arkansas | $24,610 | |
| 35 | Nebraska | $22,193 | |
| 36 | South Carolina | $17,413 | |
| 37 | Idaho | $16,456 | |
| 38 | Minnesota | $9,800 | |
| 39 | Utah | $3,490 | |
| 40 | Delaware | $3,007 |
Show all 40
Shares are of everything obligated under NAICS 811121 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 39 more
Latest 49 of 1,350 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
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 811121?
NAICS 811121 is Automotive Body, Paint, and Interior Repair and Maintenance, a national industry in NAICS 81, Other Services (except Public Administration).
What is the NAICS code for automotive body shops?
The NAICS code for automotive body shops is 811121, Automotive Body, Paint, and Interior Repair and Maintenance.
What is the NAICS code for truck trailer body shops?
The NAICS code for truck trailer body shops is 811121, Automotive Body, Paint, and Interior Repair and Maintenance.
What is the NAICS code for antique and classic automotive restoration?
The NAICS code for antique and classic automotive restoration is 811121, Automotive Body, Paint, and Interior Repair and Maintenance.
When did the size standard for NAICS 811121 last change?
The most recent Federal Register rule on record that names NAICS 811121 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 811121?
Federal contracts under NAICS 811121 obligated $54,243,196 in fiscal year 2025 and $219,896,801 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 811121?
The contractors with the most obligated under NAICS 811121 in fiscal years 2026 and 2027 are Deloitte Consulting LLP ($31,842,690); L3Harris Technologies, Inc. ($14,450,957); and Noblis, Inc. ($13,587,634).
Which agencies buy the most under NAICS 811121?
The agencies that obligated the most under NAICS 811121 in fiscal years 2026 and 2027 are Air Force ($52,995,847), Department of Homeland Security ($40,341,723) and Department of the Army ($11,642,052).
Which PSC codes are used with NAICS 811121?
The PSC codes with the most obligated under NAICS 811121 in fiscal years 2026 and 2027 are R499 Other Professional Services, R425 Engineering and Technical Services and R408 Program Management/
Where is the work under NAICS 811121 performed?
By place of performance, the states with the most contract obligations under NAICS 811121 over the last 12 months are Virginia ($42,104,179), Colorado ($14,506,243) and the District of Columbia ($11,934,785).
What is the latest contract opportunity under NAICS 811121?
The latest contract opportunity under NAICS 811121 is Repair collision damage to 2022 FORD F-450, award notice from Federal Acquisition Service, posted November 2, 2026.
On GovTribe
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