Every fact below links to its source. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Olathe, Kan., as listed by ENR in the 2026 Top 500 Design FirmsSource: enr.com/toplists/2026-top-500-design-fi…
- Founded
- 1965Source: terracon.com/about
- Ownership type
- Employee-owned (ESOP), as described on the firm's own websiteSource: terracon.com
- Sponsor or parent
- Terracon is 100% employee-ownedSource: terracon.com
- Employees
- More than 8,000 employees, per the firm's siteSource: terracon.com
- Website
- terracon.comSource: terracon.com
Legal name, DBA and former names
- Terracon Consultants, Inc.Source: terracon.com/about
Identifiers (UEI, state registrations)
- SAM UEI MG15GZJ9BES5 (as shown on the USAspending recipient record) and Texas TBPELS firm no. 3272.Source: usaspending.gov/recipient/b51fd5fc-b70d-37b7-c8…
Offices
- Terracon has more than 200 locations across the United States.Source: terracon.com
Ownership type
- Employee-owned (ESOP), as described on the firm's own website.Source: terracon.com
Sponsor, parent or transaction
- Terracon is 100% employee-owned.Source: terracon.com
- Terracon's Employee Stock Ownership Program was formally funded in 1996.Source: terracon.com/about
Employee count or band
- More than 8,000 employees, per the firm's site.Source: terracon.com
Services and markets
- Terracon provides environmental, facilities, geotechnical, and materials consulting and engineering services to commercial, digital infrastructure, federal, healthcare, industrial and logistics, power generation and transmission, and transportation and infrastructure markets.Source: terracon.com
Licences (board records)
- Texas TBPELS roster lists TERRACON CONSULTANTS INC (firm no. 3272, type NS, expires 2027-01-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
DOT prequalification
- TxDOT Active Precertified Firms lists TERRACON CONSULTANTS, INC. with 55 areas of certification, renewal status JANUARY 9, 2024 ( ACTIVE )Source: dot.state.tx.us/des/precert/precrt12.htm
Federal awards (contracts)
- USAspending recipient record TERRACON CONSULTANTS, INC. (Olathe, KS), contract award obligations: FY2021 $0, FY2022 $0, FY2023 $209,006, FY2024 $369,233, FY2025 $799,967 (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/b51fd5fc-b70d-37b7-c8…
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi…
Sources of record
- https://www.terracon.com/about/
- https://www.usaspending.gov/recipient/b51fd5fc-b70d-37b7-c87a-7c2aa982181d-P/latest
- https://www.enr.com/toplists/2026-top-500-design-firms-1
- https://www.terracon.com/
- https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
- https://www.dot.state.tx.us/des/precert/precrt12.htm
Ownership tag: Employee-owned (ESOP). Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
