Terracon
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About Terracon
Terracon is a 100% employee-owned environmental and engineering consulting firm providing environmental consulting, geotechnical engineering, facilities management, and materials testing services. With over 8,000 employees operating from more than 200 offices across all 50 U.S. states, Terracon is one of the largest employee-owned engineering firms in the country. The company has developed proprietary technology platforms including Stage1, Pivvot, and Compass to enhance service delivery. Terracon reached .1 billion in revenue in 2023 and was ranked #18 in Engineering News-Record’s Top 500 Design Firms in 2024.
Company History
Terracon was founded in 1965 when Gerald Olson opened Soil Testing Services of Iowa, Inc. The company became 100% employee-owned in 1980 and formally funded its Employee Stock Ownership Program (ESOP) in 1996. Key milestones include ranking #41 in ENR’s top design firms in 2008, celebrating its 50th anniversary in 2015, reaching million in revenue in 2019, growing to 6,000+ employees and .1 billion in revenue by 2023, and ranking #18 in ENR Top 500 Design Firms in 2024. The company was recognized as 2023’s Most Innovative Acquirer by Morrissey Goodale.
Services Offered
Phase 1 Environmental Site Assessment
Terracon provides Phase 1 ESA services compliant with ASTM E1527-21 standards.
Pricing: Contact for quote
Pricing Details
No public pricing - quote required. 100% employee-owned, 8000+ employees, 200+ locations. Stage1 desktop screening product (~1 week turnaround). Services: Phase I/II ESA, geotechnical, environmental compliance.
Service Area
Terracon operates in all 50 U.S. states from more than 200 office locations. The company provides coast-to-coast services with particular strength in environmental consulting, geotechnical engineering, and materials testing for commercial, industrial, and infrastructure projects.
Terracon provides nationwide coverage across all 50 states.
Best For
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Best for multi-state portfolios: Consistent service across multiple markets
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Best for budget-conscious: Competitive pricing
Request a Quote
Contact Terracon directly:
- Visit: terracon.com
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