Every fact below carries a source link and an as-of date. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Tempe, ArizonaSource: wilson-engineers.com · As of 2026-10-06
- Founded
- 1985Source: wilson-engineers.com · As of 2026-10-06
- Ownership type
- Private equity backed: in January 2023 Wilson Engineers announced a strategic partnership with Trilon Group; Trilon is backed by Alpine InvestorsSource: wilson-engineers.com/trilon · As of 2026-10-06
- Sponsor or parent
- Firm Trilon page and Trilon partner page list Wilson; Trilon history places Wilson Engineers joining in January 2023Source: trilon.com · As of 2026-10-06
- Employees
- Over 200 professionals in Arizona and NevadaSource: wilson-engineers.com · As of 2026-10-06
- Website
- wilson-engineers.comSource: wilson-engineers.com · As of 2026-10-06
Legal name, DBA and former names
- Wilson Engineers, LLC.Source: wilson-engineers.com/trilon · As of 2026-10-06
Identifiers (UEI, state registrations)
- SAM UEI LQCSVW9DLLD9 (as shown on the USAspending recipient record) and Texas TBPELS firm no. 17409, 26136.Source: usaspending.gov/recipient/c4ce11a9-662a-af63-23… · As of 2026-10-06
Ownership type
- Private equity backed: in January 2023 Wilson Engineers announced a strategic partnership with Trilon Group; Trilon is backed by Alpine Investors.Source: wilson-engineers.com/trilon · As of 2026-10-06
Sponsor, parent or transaction
- Firm Trilon page and Trilon partner page list Wilson; Trilon history places Wilson Engineers joining in January 2023.Source: trilon.com · As of 2026-10-06
Employee count or band
- Over 200 professionals in Arizona and Nevada.Source: wilson-engineers.com · As of 2026-10-06
Services and markets
- Water, wastewater, reclaimed water and related infrastructure engineering and construction management.Source: wilson-engineers.com · As of 2026-10-06
Deals
- January 2023: strategic partnership with Trilon Group.Source: wilson-engineers.com/trilon · As of 2026-10-06
Licences (board records)
- Texas TBPELS roster lists Wilson Engineering, PLLC (firm no. 17409, type SP, expires 2026-11-30); Wilson Engineering Services, PC (firm no. 26136, type NS, expires 2027-07-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04
Federal awards (contracts)
- USAspending recipient record WILSON ENGINEERS LLC (Tempe, AZ), contract award obligations: FY2021 $0, FY2022 $0, FY2023 $0, FY2024 $0, FY2025 $0 (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/c4ce11a9-662a-af63-23… · As of 2026-10-06
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05
Sources of record
Ownership tag: Private equity backed. Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
