NAICS Industry Group 5413: Architectural, Engineering, and Related Services
Industry group
Definition
This industry group comprises establishments primarily engaged in architectural, engineering, and related services, such as drafting services, building inspection services, geophysical surveying and mapping services, surveying and mapping (except geophysical) services, and testing services.
Government contracts for this service: PSC R425 Engineering and Technical Services
Code facts
- Part of
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54
- 541
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54
- Codes under it
- 8
- Contract awards
- 9,659 In the last 12 months
- Contract obligations
- $54,806,996,609 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $322,726,384 |
| FY2026 | $47,899,870,372 |
| FY2025 | $54,806,996,609 |
| FY2024 | $55,783,404,141 |
| FY2023 | $51,709,670,778 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Electric Boat Corporation | $7,643,907,226 | |
| 2 | Booz Allen Hamilton Inc. | $1,503,522,876 | |
| 3 | Science Applications International Corporation | $1,475,708,245 | |
| 4 | Caci, Inc. - Federal | $854,613,639 | |
| 5 | BAE Systems Technology Solutions & Services Inc. | $785,134,269 | |
| 6 | General Dynamics Information Technology, Inc. | $657,956,131 | |
| 7 | Ameresco Inc. | $597,661,002 | |
| 8 | The Charles Stark Draper Laboratory, Inc. | $596,265,914 | |
| 9 | General Dynamics Mission Systems, Inc. | $558,652,319 | |
| 10 | HII Mission Technologies Corp | $546,153,813 |
See the full FY2025 ranking of NAICS 5413 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $22,022,308,005 | |
| 2 | Air Force | $8,251,513,488 | |
| 3 | Department of the Army | $6,943,011,245 | |
| 4 | Department of Homeland Security | $2,165,081,810 | |
| 5 | Department of Transportation | $1,906,000,378 | |
| 6 | Department of Veterans Affairs | $936,587,603 | |
| 7 | Office of the Secretary of Defense | $901,770,023 | |
| 8 | Department of Energy | $677,948,537 | |
| 9 | National Aeronautics and Space Administration | $653,041,034 | |
| 10 | Department of Health and Human Services | $500,912,021 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | R425 Engineering and Technical Services | $13,209,345,679 | |
| 2 | 1905 Combat Ships and Landing Vessels | $7,665,065,737 | |
| 3 | R499 Other Professional Services | $5,619,078,786 | |
| 4 |
R408 Program Management/ |
$2,308,858,687 | |
| 5 | C219 Other Architect and Engineering Services | $2,104,371,175 | |
| 6 | AC13 National Defense R&D Services; Department of Defense – Military; Experimental Development | $1,083,244,548 | |
| 7 | C211 Architect – Engineer Services (including landscaping, interior layout, and designing) | $758,702,092 | |
| 8 | R706 Logistics Support Services | $624,446,533 | |
| 9 | J014 Maintenance, Repair and Rebuilding of Equipment: Guided Missiles | $620,234,406 | |
| 10 | K016 Modification of Equipment: Aircraft Components and Accessories | $508,358,709 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | Virginia | $9,007,723,689 | |
| 2 | Connecticut | $7,755,965,846 | |
| 3 | Maryland | $4,063,913,317 | |
| 4 | California | $3,551,494,168 | |
| 5 | Florida | $2,427,935,728 | |
| 6 | District of Columbia | $2,361,937,798 | |
| 7 | Massachusetts | $2,056,826,880 | |
| 8 | Alabama | $1,644,860,775 | |
| 9 | Colorado | $1,061,076,099 | |
| 10 | Texas | $949,297,089 | |
| 11 | Arizona | $906,365,248 | |
| 12 | Georgia | $828,527,017 | |
| 13 | South Carolina | $725,852,880 | |
| 14 | Tennessee | $705,190,306 | |
| 15 | Pennsylvania | $667,170,059 | |
| 16 | New Jersey | $581,309,144 | |
| 17 | Nevada | $568,539,301 | |
| 18 | New York | $483,077,314 | |
| 19 | Hawaii | $436,782,056 | |
| 20 | Missouri | $434,975,024 | |
| 21 | Oklahoma | $424,376,211 | |
| 22 | Indiana | $405,011,088 | |
| 23 | Utah | $375,523,916 | |
| 24 | Rhode Island | $338,536,393 | |
| 25 | North Carolina | $330,991,875 | |
| 26 | Illinois | $319,207,925 | |
| 27 | Ohio | $282,983,076 | |
| 28 | Alaska | $278,711,052 | |
| 29 | New Mexico | $263,879,828 | |
| 30 | Washington | $246,607,364 | |
| 31 | Michigan | $207,011,363 | |
| 32 | West Virginia | $142,462,829 | |
| 33 | Iowa | $118,460,564 | |
| 34 | Guam | $105,921,835 | |
| 35 | Louisiana | $95,009,771 | |
| 36 | Montana | $87,117,057 | |
| 37 | Nebraska | $86,739,291 | |
| 38 | Mississippi | $75,450,605 | |
| 39 | New Hampshire | $68,856,112 | |
| 40 | Idaho | $67,875,785 | |
| 41 | Minnesota | $65,673,743 | |
| 42 | Kansas | $64,033,902 | |
| 43 | Kentucky | $62,898,568 | |
| 44 | Vermont | $60,093,422 | |
| 45 | Arkansas | $58,175,599 | |
| 46 | Oregon | $50,599,739 | |
| 47 | Wisconsin | $49,736,846 | |
| 48 | Maine | $46,182,045 | |
| 49 | Puerto Rico | $41,060,534 | |
| 50 | Wyoming | $34,074,847 | |
| 51 | American Samoa | $19,999,456 | |
| 52 | South Dakota | $19,107,561 | |
| 53 | North Dakota | $17,149,998 | |
| 54 | Northern Mariana Islands | $8,818,485 | |
| 55 | Delaware | $6,362,730 | |
| 56 | U.S. Virgin Islands | $2,972,570 |
Show all 56
Shares are of everything obligated under NAICS 5413 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 80,911 listed here. See the rest on GovTribe.
Codes under 5413
Quick answers
What is NAICS 5413?
NAICS 5413 is Architectural, Engineering, and Related Services, an industry group in NAICS 54, Professional, Scientific, and Technical Services.
What codes are under NAICS 5413?
NAICS 5413 has 8 codes under it with their own GovTribe pages, including 54131 Architectural Services, 54132 Landscape Architectural Services and 54133 Engineering Services.
How much do federal agencies spend under NAICS 5413?
Federal contracts under NAICS 5413 obligated $54,806,996,609 in fiscal year 2025 and $210,522,668,284 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 5413?
The contractors with the most obligated under NAICS 5413 in fiscal years 2026 and 2027 are Electric Boat Corporation ($7,643,907,226), Booz Allen Hamilton Inc. ($1,503,522,876) and Science Applications International Corporation ($1,475,708,245).
Which agencies buy the most under NAICS 5413?
The agencies that obligated the most under NAICS 5413 in fiscal years 2026 and 2027 are Department of the Navy ($22,022,308,005), Air Force ($8,251,513,488) and Department of the Army ($6,943,011,245).
Which PSC codes are used with NAICS 5413?
The PSC codes with the most obligated under NAICS 5413 in fiscal years 2026 and 2027 are R425 Engineering and Technical Services, 1905 Combat Ships and Landing Vessels and R499 Other Professional Services.
Where is the work under NAICS 5413 performed?
By place of performance, the states with the most contract obligations under NAICS 5413 over the last 12 months are Virginia ($9,007,723,689), Connecticut ($7,755,965,846) and Maryland ($4,063,913,317).
What is the latest contract opportunity under NAICS 5413?
The latest contract opportunity under NAICS 5413 is Solicitation number 393274 “hanford tank farms vadose geophysical logging”, pre-solicitation, posted November 11, 2026.
On GovTribe
See everything under NAICS 5413
- Federal contract opportunities, awards and IDVs under this code
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