Geotechnical Engineering, Materials Testing and Engineering Geology

Trautner Geotech LLC

Here is our Track Rig with auger and NWL wire line core drilling  capabilities.

About Us

Trautner Geotech LLC

649 Tech Center Drive Unit A

Durango, Colorado  81301


Phone: 970-259-5095

Fax: 970-382-2515



New Cortez Location

Trautner Geotech

95 North Henry St.

Cortez, Colorado 81321

Phone: 970-529-2020



For Materials Testing scheduling please email to:


Trautner Geotech LLC is a Geotechnical Engineering Firm that specializes in Geotechnical Engineering, Material Testing and Engineering Geology.

We are located in Durango, Colorado and recently opened an office in Cortez, Colorado and work in the four corners area including Colorado, New Mexico and Utah.

Our engineers have over 30 years experience working in Durango and the four corners area.


The firm's principal, David L. Trautner, P.E., CPG is an engineering

geologist/geotechnical engineer who has been involved in the engineering and construction disciplines in Durango since 1980.


Our staff includes three registered professional engineers, two engineer interns, three geologists, including an avalanche specialist, two materials testing managers, five engineering technicians, two laboratory technicians, and two office/clerical support personnel.


We have one truck mounted drill rig and one rubber track mounted drill rig available for geotechnical engineering exploration. We provide NWL core drilling services.

We provide geotechnical engineering, engineering geology, avalanche hazard evaluation and materials testing services.


Our laboratory is fully equipped to perform all typical construction monitoring tests on soil, concrete and select testing for asphalt concrete. We have about twenty four (24) odometers for measurement of soil swell/consolidation potential, California Bearing Ratio (CBR) tests, Direct Shear Strength Tests, Atterberg Limits, sieve analysis, hydrometer tests, Los Angeles Abrasion tests and most other commonly needed tests for geotechnical engineering evaluation and construction monitoring services.


We have two drill rigs with auger drilling capabilities and NWL wire line core drilling services.

Our track rig has the capability to get into difficult to reach locations. Here we are rock coring in Cortez, Colorado