Contact Us

 

Corporate Office:

Colorado

12401 W. 49th Ave.
Wheat Ridge, CO 80033-1927
Phone: (303) 423-1212
Fax: (303) 423-6071

NDT Lead Contact:

Dennis Sack, P.E.
Sr. VP & Principal Engineer
dennis.sackATolsonengineering.com

Geophysics Lead Contact:

Phil Sirles
COO & Principal Geophysicist
phil.sirlesATolsonengineering.com

Contracting & Accounting Contact:

Evan Walston, CMA
evan.walstonATolsonengineering.com


EMPLOYMENT OPPORTUNITIES

 

Northeast Region:

Virginia Office

3501 Woolman Dr.
Haymarket, VA 20169. USA
Phone:  (303) 883-2013

Office Manager & NDT Lead Contact:

Larry D. Olson, P.E.
President & Principal Engineer
larry.olsonATolsonengineering.com

Metro Washington D.C. Office

7529 Standish Place
Suite 102
Rockville, MD 20855
Phone: (240) 477-7738
Cell: (804) 543-6841
Fax: (240) 801-9951

Geophysics Lead Contact:

Joel Daniel, P.G.
Senior Geophysicist
joel.danielATolsonengineering.com