Logan Simpson Design Inc.
Tempe, AZ Doing business as Logan Simpson
- UEI
- REB3J4JAMTE5
- CAGE
- 1YYM3
- Primary NAICS
- 541620 Environmental Consulting Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
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- 541620 Environmental Consulting Services Primary
- 115310 Support Activities for Forestry
- 541320 Landscape Architectural Services
- 541330 Engineering Services
- 541690 Other Scientific and Technical Consulting Services
- 541720 Research and Development in the Social Sciences and Humanities
- 541990 All Other Professional, Scientific, and Technical Services
- Corporate family
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Logan Simpson Design Inc.
REB3J4JAMTE5
- Logan Simpson Design Inc. LBBNWLSFVFM6
- Logan Simpson Design Inc. V8VAREXTX2M7
- Logan Simpson Design Inc. P1G2MUDMHUH9
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Logan Simpson Design Inc.
REB3J4JAMTE5
- SAM.gov registration date
- Physical address
- 222 S Mill Ave Suite 222, Tempe, AZ 85281, USA
- Website
- logansimpson.com
- Founded
- 1990
- Employees
- 51-250
- Estimated annual revenue
- $10M-$50M
- Industry
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- Industrials
- Commercial & Professional Services
- Professional Services
- Architecture
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| NR-EQD-332 shen bump pre-nepa | National Office | $126,945 | |
| Fuelbreak cultural: north antelope 26 | Idaho Region | $203,832 | |
| RIO puerco field office 2025 kasha katuwe tent rocks resource management plan amendment | New Mexico Region | $417,413 | |
| RIO puerco field office-three travel management plans | New Mexico Region | $316,971 | |
| BLM-CO UFO FY25 old spanish trail assessment | Colorado Region | $49,962 |
About Logan Simpson Design Inc.
Logan Simpson Design Inc., doing business as Logan Simpson, is a for-profit small business environmental consulting, planning, and landscape architecture firm headquartered in Tempe, Arizona. The company specializes in providing comprehensive environmental services to federal land management agencies across the western United States, with a particular focus on cultural resource management, environmental compliance, natural resource assessments, and technical support services. Logan Simpson has established itself as a key contractor for agencies such as the Bureau of Land Management (BLM), U.S. Forest Service, National Park Service, and Environmental Protection Agency, leveraging its expertise in conducting archaeological surveys, trail inventories, environmental impact assessments, and land use planning.
The federal contract awards demonstrate Logan Simpson's diverse service capabilities across multiple domains. The company has performed cultural resource inventories, archaeological surveys, and historic trail assessments for various federal agencies, often through small business set-aside contracts. Specific services include conducting class III cultural resource surveys, environmental compliance analyses, National Environmental Policy Act (NEPA) documentation, travel management planning, and off-highway vehicle use area assessments. Contract values have ranged from small purchases around $5,000 to larger contracts exceeding $600,000, with funding primarily coming from the Department of the Interior, Department of Agriculture, and Environmental Protection Agency. Logan Simpson frequently partners with prime contractors like Jacobs Government Services Company and Parsons Government Services Inc. as a subcontractor, providing specialized environmental consulting and landscape architecture services.
Logan Simpson holds several significant Indefinite Delivery Vehicles (IDVs) that enable its federal contract work. These include a $30 million Blanket Purchase Agreement (BPA) with the Bureau of Land Management for National Planning and NEPA services, a $50 million Land Management Integrated Resources BPA with the USDA Forest Service, a $99 million Master Environmental and Technical Support Services BPA with USDA, an $80 million Multiple Award Schedule (MAS) contract with the General Services Administration, a $2.5 million BPA for National Scenic and Historic Trails Inventory, Assessment, and Monitoring (IAM), and a $4.5 million EPA Disaster Resilience Assistance BPA. These IDVs allow Logan Simpson to provide a comprehensive suite of environmental services across multiple federal agencies, including cultural resource management, natural resource assessments, GIS support, project management, and disaster recovery planning. The company's IDVs span multiple years, with completion dates ranging from 2025 to 2033, demonstrating its long-term commitment to supporting federal land management and environmental initiatives.
Contract vehicles
SBA capabilities narrative
LSD is a 100+-person firm with five offices that provides landscape architecture, archaeological, biological, NEPA, community planning, and Clean Water Act services.
Quick answers
What is Logan Simpson Design Inc.'s UEI?
Logan Simpson Design Inc.'s Unique Entity ID (UEI) in SAM.gov is REB3J4JAMTE5.
What is Logan Simpson Design Inc.'s CAGE code?
Logan Simpson Design Inc.'s CAGE code is 1YYM3.
What is Logan Simpson Design Inc.'s primary NAICS code?
Logan Simpson Design Inc.'s primary NAICS code is 541620 (Environmental Consulting Services).
Where is Logan Simpson Design Inc. located?
Logan Simpson Design Inc.'s physical address in SAM.gov is 222 S Mill Ave Suite 222, Tempe, AZ 85281, USA.
Is Logan Simpson Design Inc. registered in SAM.gov?
Yes. Logan Simpson Design Inc.'s SAM.gov registration is active through May 4, 2027.
Which contract vehicles does Logan Simpson Design Inc. hold?
Logan Simpson Design Inc. holds a place on 6 federal contract vehicles, including LMIR, MAS and PSS.
What is Logan Simpson Design Inc.'s most recent federal award?
Logan Simpson Design Inc.'s most recent federal contract award is NR-EQD-332 shen bump pre-nepa (140P2126F0144), from National Office, on August 31, 2026.
On GovTribe
See Logan Simpson Design Inc.'s full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Federal grant awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors