Trustworthy Solutions for a Better Tomorrow
At CTL|Thompson, we have been providing innovative engineering solutions throughout the Rocky Mountain Region and beyond since 1971. We regularly provide geotechnical design and construction criteria as well as construction observation and testing services for residential developments, commercial buildings, industrial facilities, retail outlets, shopping centers, mining facilities, and infrastructure including dams, water treatment facilities, and road construction. Our award-winning firm offers geotechnical, materials, environmental, and structural engineering services, construction observation, soil and materials testing.
With experts in Colorado, Wyoming, and Montana, our thorough and thoughtful team of engineering consultants and field technicians can identify potential design and construction-related issues in commercial, residential, and industrial projects and recommend sound engineering solutions - saving clients time, and more importantly, money. Our staff of engineers, geologists, and scientists are seasoned professionals with backgrounds in geotechnical, civil, environmental, and structural engineering, industrial hygiene, biology, and geology.
Our Services
We offer a comprehensive range of services, including:
- Geotechnical Engineering: Our geotechnical engineers provide design and construction criteria for foundation systems, slope stability, and settlement analysis.
- Structural Engineering: Our structural engineers provide design and analysis for buildings, bridges, and other structures, ensuring safety and durability.
- Materials Testing: Our materials testing services include laboratory testing of soils, rocks, asphalt, concrete, and other building materials.
- Environmental Services: Our environmental services include air quality control, environmental permitting, and compliance monitoring.
- Construction Observation & Testing: Our construction observation and testing services ensure that projects are built to specification, on time, and within budget.
- IAS Accredited Testing Services: Our laboratory is accredited by the International Accreditation Service (IAS) and provides testing services for construction materials.
Our Mission and Values
Our mission is to build a trusted team that helps clients succeed with thorough, thoughtful, and time-tested solutions. Our values include performance, technical excellence, respect, professionalism, and responsibility. We strive to deliver practical solutions and services that meet the highest standards of quality and professionalism.
Customer Service Issues
Several reviewers expressed frustration with the customer service they received from CTL. Kristen Noel reported a disturbing incident where an employee driving a company truck yelled profanity at her and her children. Matthew Trujillo had a poor experience with a phone representative who put him on hold without permission and later responded with an attitude. Chris Powell never received a call back after leaving a message.
Cost Effectiveness Concerns
Multiple reviewers mentioned that CTL's services were costly. W. L. agreed with other reviewers that CTL's services were not cost-effective for simple home builds, but noted that working with Scott was a pleasure. David G. suggested that there are more cost-effective engineers in Fort Collins for common engineering practices.
Positive Experience
One reviewer, W. L., had a positive experience working with Scott from CTL, praising his thorough responses and timely communication.

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