NAICS 2381: Foundation, Structure, and Building Exterior Contractors
Industry group
Code facts
- Part of
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23
- 238
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23
- Codes under it
- 8
- Contract awards
- 952 In the last 12 months
- Contract obligations
- $585,129,700 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 | $1,850,479 |
| FY2026 | $469,446,822 |
| FY2025 | $585,129,700 |
| FY2024 | $708,395,438 |
| FY2023 | $743,336,150 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Seneca Federal Solutions, LLC | $49,465,927 | |
| 2 | Blasco Construction Corp | $22,365,665 | |
| 3 | Roofing Resources Inc. | $17,228,573 | |
| 4 | Yukon Management, LLC | $14,529,307 | |
| 5 | Quality Roofers And Guttering, Inc. | $13,796,284 | |
| 6 | Goldbelt Government Services, LLC | $13,361,222 | |
| 7 | Penns Contracting Inc. | $12,859,176 | |
| 8 | "A-Vet Roofing & Construction, L.l.c." | $9,449,315 | |
| 9 | Competition Roofing Inc. | $8,558,868 | |
| 10 | AOD & RBT JV | $8,184,466 |
See the full FY2025 ranking of NAICS 2381 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Justice | $124,910,630 | |
| 2 | Department of the Army | $60,988,811 | |
| 3 | Department of Veterans Affairs | $46,124,278 | |
| 4 | Department of the Navy | $44,493,078 | |
| 5 | Air Force | $43,804,498 | |
| 6 | Department of the Interior | $28,435,304 | |
| 7 | General Services Administration | $20,341,028 | |
| 8 | Department of Agriculture | $18,975,865 | |
| 9 | Department of State | $18,928,831 | |
| 10 | Department of Commerce | $18,093,325 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Z2FF Repair or Alteration of Penal Facilities | $113,068,184 | |
| 2 | Z2JZ Repair or Alteration of Miscellaneous Buildings | $75,554,276 | |
| 3 | Z2AA Repair or Alteration of Office Buildings | $36,358,121 | |
| 4 | Z1DA Maintenance of Hospitals and Infirmaries | $18,172,208 | |
| 5 | Z1AA Maintenance of Office Buildings | $17,873,914 | |
| 6 | 5650 Roofing and Siding Materials | $17,134,126 | |
| 7 | Z2DA Repair or Alteration of Hospitals and Infirmaries | $14,737,759 | |
| 8 | Y1EZ Construction of Other Industrial Buildings | $13,932,984 | |
| 9 | Z1JZ Maintenance of Miscellaneous Buildings | $11,852,499 | |
| 10 | Y1AZ Construction of Other Administrative Facilities and Service Buildings | $9,559,388 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | California | $40,984,424 | |
| 2 | New York | $37,136,629 | |
| 3 | Maryland | $35,242,477 | |
| 4 | North Carolina | $29,692,071 | |
| 5 | Texas | $26,169,628 | |
| 6 | New Jersey | $24,064,257 | |
| 7 | District of Columbia | $19,609,443 | |
| 8 | Louisiana | $16,513,845 | |
| 9 | Massachusetts | $15,895,532 | |
| 10 | Florida | $15,576,135 | |
| 11 | Illinois | $14,531,403 | |
| 12 | Georgia | $14,193,054 | |
| 13 | Washington | $12,581,945 | |
| 14 | Pennsylvania | $11,728,765 | |
| 15 | Alaska | $11,163,159 | |
| 16 | South Carolina | $9,019,351 | |
| 17 | Indiana | $8,104,886 | |
| 18 | Virginia | $7,790,967 | |
| 19 | Tennessee | $7,378,139 | |
| 20 | Arizona | $7,101,005 | |
| 21 | Mississippi | $7,016,592 | |
| 22 | Kansas | $6,549,856 | |
| 23 | West Virginia | $6,397,758 | |
| 24 | Minnesota | $6,062,676 | |
| 25 | Alabama | $5,808,686 | |
| 26 | Colorado | $4,248,653 | |
| 27 | Montana | $4,126,796 | |
| 28 | Kentucky | $3,390,236 | |
| 29 | Hawaii | $3,307,021 | |
| 30 | New Mexico | $3,126,536 | |
| 31 | Missouri | $2,628,318 | |
| 32 | Utah | $2,595,899 | |
| 33 | Ohio | $2,515,967 | |
| 34 | Oregon | $2,216,253 | |
| 35 | Maine | $2,143,233 | |
| 36 | Michigan | $2,097,583 | |
| 37 | Rhode Island | $2,035,688 | |
| 38 | South Dakota | $1,480,934 | |
| 39 | New Hampshire | $1,359,500 | |
| 40 | Wisconsin | $1,181,707 | |
| 41 | Oklahoma | $1,165,528 | |
| 42 | North Dakota | $1,014,120 | |
| 43 | Nevada | $729,631 | |
| 44 | Arkansas | $666,705 | |
| 45 | Connecticut | $604,051 | |
| 46 | Iowa | $590,340 | |
| 47 | Nebraska | $427,386 | |
| 48 | Wyoming | $304,296 | |
| 49 | Guam | $194,440 | |
| 50 | Idaho | $154,646 | |
| 51 | Puerto Rico | $114,636 | |
| 52 | Vermont | $75,845 |
Show all 52
Shares are of everything obligated under NAICS 2381 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 18,067 listed here. See the rest on GovTribe.
Codes under 2381
Definition
This industry group comprises establishments primarily engaged in the specialty trades needed to complete the basic structure (i.e., foundation, frame, and shell) of buildings. The work performed may include new work, additions, alterations, maintenance, and repairs.
Quick answers
What is NAICS 2381?
NAICS 2381 is Foundation, Structure, and Building Exterior Contractors, an industry group in NAICS 23, Construction.
What codes are under NAICS 2381?
NAICS 2381 has 8 codes under it with their own GovTribe pages, including 23811 Poured Concrete Foundation and Structure Contractors, 23812 Structural Steel and Precast Concrete Contractors and 23813 Framing Contractors.
How much do federal agencies spend under NAICS 2381?
Federal contracts under NAICS 2381 obligated $585,129,700 in fiscal year 2025 and $2,508,158,589 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 2381?
The contractors with the most obligated under NAICS 2381 in fiscal years 2026 and 2027 are Seneca Federal Solutions, LLC ($49,465,927); Blasco Construction Corp ($22,365,665); and Roofing Resources Inc. ($17,228,573).
Which agencies buy the most under NAICS 2381?
The agencies that obligated the most under NAICS 2381 in fiscal years 2026 and 2027 are Department of Justice ($124,910,630), Department of the Army ($60,988,811) and Department of Veterans Affairs ($46,124,278).
Which PSC codes are used with NAICS 2381?
The PSC codes with the most obligated under NAICS 2381 in fiscal years 2026 and 2027 are Z2FF Repair or Alteration of Penal Facilities, Z2JZ Repair or Alteration of Miscellaneous Buildings and Z2AA Repair or Alteration of Office Buildings.
Where is the work under NAICS 2381 performed?
By place of performance, the states with the most contract obligations under NAICS 2381 over the last 12 months are California ($40,984,424), New York ($37,136,629) and Maryland ($35,242,477).
What is the latest contract opportunity under NAICS 2381?
The latest contract opportunity under NAICS 2381 is Gutter Cleaning and Maintenance Services, pre-solicitation from Naval Facilities Engineering Command (Navy), posted October 23, 2026.
On GovTribe
See everything under NAICS 2381
- Federal contract opportunities, awards and IDVs under this code
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