Insights

Established Expertise CTL|Thompson has been delivering engineering solutions since 1971, with a proven track record of over 100,000 projects across infrastructure, private, and public sectors, making it a reliable partner for large-scale development and infrastructure initiatives.

Regional Presence With offices in Colorado, Montana, and Wyoming, CTL|Thompson has a strong regional footprint, offering opportunities to expand services across the Rocky Mountain region and neighboring states where infrastructure and environmental projects are ongoing.

Diverse Service Portfolio Offering geotechnical, environmental, structural, and forensic engineering, the company caters to a broad range of project needs, making it suitable for clients requiring integrated solutions in construction, environmental safety, and disaster assessment.

Strategic Partnerships Recent collaboration with SRPT and long-term partnerships indicate a focus on innovative and ongoing client relationships, presenting opportunities to leverage existing networks for new project pursuits and expanded service offerings.

Financial Scale With revenues estimated between $50 million and $100 million and a highly skilled workforce of nearly 200 professionals, CTL|Thompson is positioned as a mid-sized, financially stable firm capable of handling complex engineering projects that require specialized expertise.

CTL Thompson Tech Stack

CTL Thompson uses 7 technology products and services including CIM Technologies, AutoCAD, Microsoft Excel, and more. Explore CTL Thompson's tech stack below.

  • CIM Technologies
    Cad & Graphics
  • AutoCAD
    Cad & Graphics
  • Microsoft Excel
    Editors
  • Deltek
    Enterprise Resource Planning
  • Microsoft
    Miscellaneous
  • Paylocity
    Recruitment Marketing
  • Timesheets
    Time Tracking

CTL Thompson's Email Address Formats

CTL Thompson uses at least 2 format(s):
CTL Thompson Email FormatsExamplePercentage
FLast@ctlthompson.comJDoe@ctlthompson.com
81%
F.Last@ctlthompson.comJ.Doe@ctlthompson.com
7%
First.Last@ctlthompson.comJohn.Doe@ctlthompson.com
6%
Last@ctlthompson.comDoe@ctlthompson.com
4%
First@ctlthompson.comJohn@ctlthompson.com
2%
LastF@ctlt.comDoeJ@ctlt.com
100%

Frequently Asked Questions

Where is CTL Thompson's headquarters located?

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CTL Thompson's main headquarters is located at 1971 West 12th Avenue Denver, Colorado United States. The company has employees across 2 continents, including North AmericaEurope.

What is CTL Thompson's phone number?

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You can contact CTL Thompson's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is CTL Thompson's official website and social media links?

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CTL Thompson's official website is ctlt.com and has social profiles on LinkedIn.

What is CTL Thompson's NAICS code?

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CTL Thompson's NAICS code is 237 - Heavy and Civil Engineering Construction.

How many employees does CTL Thompson have currently?

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As of February 2026, CTL Thompson has approximately 201 employees across 2 continents, including North AmericaEurope. Key team members include Chief Operating Officer: S. F.Chief Financial Officer: P. L.Vice President - Central Texas: C. T.. Explore CTL Thompson's employee directory with LeadIQ.

What industry does CTL Thompson belong to?

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CTL Thompson operates in the Civil Engineering industry.

What technology does CTL Thompson use?

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CTL Thompson's tech stack includes CIM TechnologiesAutoCADMicrosoft ExcelDeltekMicrosoftPaylocityTimesheets.

What is CTL Thompson's email format?

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CTL Thompson's email format typically follows the pattern of FLast@ctlthompson.com. Find more CTL Thompson email formats with LeadIQ.

When was CTL Thompson founded?

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CTL Thompson was founded in 1971.

CTL Thompson

Civil EngineeringColorado, United States201-500 Employees

CTL|Thompson (CTL|T) has been providing innovative engineering solutions throughout Colorado since 1971.

A consulting engineering firm offering geotechnical, materials, environmental and structural engineering services, construction observation, soil and materials testing, and forensic engineering, CTL|Thompson provides these services throughout the Rocky Mountain Region and beyond. CTL|Thompson, Inc. is the result of the 1977 merger of Robert W. Thompson, Inc., established in 1971, and Commercial Testing Laboratories, established in 1947. 

CTL|T has offices in six cities across Colorado, one in Montana, and one in Wyoming. The largest geotechnical engineering firm headquartered in Denver, CTL|Thompson, Inc. has over 240 full-time employees with seasonal variation. Approximately 190 of these individuals are professional or technical. Our staff includes Geotechnical, Materials, Environmental and Structural Engineers, Engineering Geologists, and certified environmental professionals. We have completed more than 100,000 projects since 1971. Projects range from major infrastructure systems in both the private and public sectors to single family dwellings.

CTL|Thompson offers a wide range of geotechnical and geologic expertise for preliminary design, final design, and forensic evaluations.  Our engineers, geologists, and environmental specialists can provide geologic mapping and hazard analysis, shallow and deep foundation design, expansive soil evaluations, and groundwater investigations including de-watering studies and pump tests.  Our staff includes engineers and geologists with specific expertise in the evaluation of seismicity using either shear wave velocity or micro tremor methods, slope and earth retainage, including design of remedial measures using mechanically stabilized earth, soil nailing, and tie-back structures in addition to more traditional earth retaining systems.

Section iconCompany Overview

Headquarters
1971 West 12th Avenue Denver, Colorado United States
Phone number
Website
ctlt.com
NAICS Code
237 - Heavy and Civil Engineering Construction
Founded
1971
Employees
201-500

Section iconFunding & Financials

  • $50M$100M

    CTL Thompson's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    CTL Thompson's revenue is estimated to be in the range of $50M$100M

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