Industries › NAICS 541320
Industry · NAICS 541320 · sector 54 Professional, scientific and technical services
Landscape Architectural Services
Federal contract obligations classified under NAICS 541320, the organisations that win them and the agencies that award them.
USAspending caveat. Figures are obligations reported by federal agencies to USAspending.gov, not payments. In USAspending's words: "An outlay occurs when federal money is actually paid out, not just promised to be paid ('obligated')." "Every agency has a Senior Accountable Official who must officially certify that the quarterly financial data submitted by their agency is accurate and complete." "If there are any discrepancies in procurement data, FPDS is the authoritative source." Contract data for the Department of Defense and the U.S. Army Corps of Engineers is published with a 90-day delay. Data loaded 30 Sep 2026.
Federal agencies obligated $326M in contracts classified under NAICS 541320, Landscape Architectural Services, in FY2026, and $542M over the five fiscal years since FY2023; the industry ranks 255 of 526 on this site.
Obligations were up 173% on FY2025 ($119M), with $0 so far in FY2027.
The largest recipient organisations by the value of $1.0M-plus awards since FY2023 were Leidos, Inc. ($68M), Booz Allen Hamilton Inc ($64M) and Caci, Inc. - Federal ($56M).
By place of performance, the most money went to CO, OR and HI.
Contract obligations by fiscal year
Compared with the largest industry FY2026
| Measure | This industry | Aircraft Manufacturing | All contracts |
|---|---|---|---|
| Contract obligations, FY2026 | $326M | $45B | $716B |
| Five-year total | $542M | $211B | $3.0T |
| Share of all contract obligations, five years | 0% | 7.1% | 100% |
Top contractors $1.0M+ award value since FY2023
| # | Organisation | Awards | Award value |
|---|---|---|---|
| 1 | Leidos, Inc. | 2 | $68M |
| 2 | Booz Allen Hamilton Inc | 8 | $64M |
| 3 | Caci, Inc. - Federal | 2 | $56M |
| 4 | HDR Engineering, Inc. | 12 | $55M |
| 5 | Science Applications International Corporation | 3 | $33M |
| 6 | General Dynamics Information Technology, Inc. | 2 | $28M |
| 7 | Alliance WSP JV, LLC | 9 | $22M |
| 8 | JG&a-TSG JV | 10 | $18M |
| 9 | Amentum Services, Inc. | 1 | $18M |
| 10 | Trace Systems Inc. | 1 | $18M |
| 11 | Lmi Consulting, LLC | 1 | $16M |
| 12 | The Urban Collaborative, LLC: Master Planning, Urban Design, and Architecture | 7 | $11M |
| 13 | V2X Systems LLC | 1 | $10.0M |
| 14 | KBR Wyle Services, LLC | 2 | $9.5M |
| 15 | Michael Baker International, Inc. | 5 | $8.8M |
Buying agencies $1.0M+ awards
Where the work is performed
Largest awards since FY2023
| Recipient | Awarding agency | Type | Award value | Begun | Place | Record |
|---|---|---|---|---|---|---|
| Leidos, Inc. | Department of DefenseDepartment of the Army | ContractDelivery Order | $55M | 30 Sep 2025 | VA | USAspending |
| Caci, Inc. - Federal | General Services AdministrationFederal Acquisition Service | ContractDelivery Order | $43M | 21 Aug 2026 | FL | USAspending |
| Booz Allen Hamilton Inc | General Services AdministrationFederal Acquisition Service | ContractDelivery Order | $33M | 20 Jan 2026 | OH | USAspending |
| General Dynamics Information Technology, Inc. | Department of the InteriorDepartmental Offices | ContractDelivery Order | $25M | 19 Sep 2025 | VA | USAspending |
| Science Applications International Corporation | Department of DefenseDepartment of the Air Force | ContractDelivery Order | $25M | 11 Dec 2025 | DC | USAspending |
| HDR Engineering, Inc. | Department of DefenseDepartment of the Army | ContractDelivery Order | $21M | 24 Sep 2025 | CO | USAspending |
| Amentum Services, Inc. | Department of State | ContractDelivery Order | $18M | 17 Sep 2026 | — | USAspending |
| Trace Systems Inc. | General Services AdministrationFederal Acquisition Service | ContractDelivery Order | $18M | 8 May 2026 | FL | USAspending |
| Lmi Consulting, LLC | Department of Homeland SecurityOffice of Procurement Operations | ContractDelivery Order | $16M | 28 Apr 2026 | VA | USAspending |
| Leidos, Inc. | Department of Health and Human ServicesOffice of Assistant Secretary for Preparedness and Response | ContractDelivery Order | $13M | 10 Jun 2026 | GA | USAspending |
Other industries in sector 54: Professional, scientific and technical services
- 541330 Engineering Services $197B
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) $181B
- 541512 Computer Systems Design Services $127B
- 541519 Other Computer Related Services $99B
- 541990 All Other Professional, Scientific, and Technical Services $52B
- 541611 Administrative Management and General Management Consulting Services $50B
- 541511 Custom Computer Programming Services $43B
- 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) $37B
- 541710 Research and Development in the Physical, Engineering, and Life Sciences $37B
- 541513 Computer Facilities Management Services $13B
- 541714 Research and Development in Biotechnology (except Nanobiotechnology) $13B
- 541614 Process, Physical Distribution, and Logistics Consulting Services $12B
- 541690 Other Scientific and Technical Consulting Services $8.6B
- 541810 Advertising Agencies $6.1B
- 541620 Environmental Consulting Services $5.2B
- 541211 Offices of Certified Public Accountants $4.8B
- 541711 Research and Development in Biotechnology $4.6B
- 541310 Architectural Services $4.1B
- 541720 Research and Development in the Social Sciences and Humanities $3.9B
- 541612 Human Resources Consulting Services $3.4B
- 541618 Other Management Consulting Services $3.2B
- 541219 Other Accounting Services $3.1B
- 541380 Testing Laboratories and Services $2.4B
- 541199 All Other Legal Services $2.3B
Questions and answers
How much does the federal government spend on NAICS 541320?
$326M in contract obligations classified under Landscape Architectural Services in FY2026, $542M over the five fiscal years since FY2023. Obligations are commitments, not payments.
Who are the top contractors in Landscape Architectural Services?
Leidos, Inc. ($68M), Booz Allen Hamilton Inc ($64M), Caci, Inc. - Federal ($56M), HDR Engineering, Inc. ($55M), Science Applications International Corporation ($33M), by the value of $1M-plus awards since FY2023.
Which agencies buy in this industry?
By the value of $1.0M-plus contracts since FY2023: Department of Defense ($243M), General Services Administration ($101M), Department of Homeland Security ($53M), Department of the Interior ($25M), Department of Health and Human Services ($20M).
What is a NAICS code?
In USAspending's words: "NAICS stands for the North American Industrial Classification System. This 6-digit code tells you what industry the work falls into. Each contract record has a NAICS code." Assistance awards (grants, loans, direct payments) carry no NAICS code and are not counted here.
Provenance
Source: USAspending.gov API v2, spending by category (NAICS) by fiscal year, recipient cross-tabulation for FY2022–FY2025 and award search, loaded 30 Sep 2026. State figures come from each state's top-100 NAICS list, so small amounts in a state may be missing. See methodology.