Pilch Engineering serving you for over 40 Years
Services For Civil Engineering
Pilch Engineering founded in 1968 by Walter James “Walt” Pilch
Services For Geology
Pilch Engineering A Wyoming Based Consulting Engineering And Geology Firm
Over 40 Years Experience
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Who we are


Pilch Engineering is a Wyoming based consulting engineering and geology firm. We’ve served as an interface between the private sector and public administrative agencies on natural resource and environmental issues for over 40 years. 


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Our Team

Pilch Engineering is comprised of Tyler H. Vanderhoef, President & Owner, Thomas J Pilch, P.E.  The experience from this team provides exceptional services to our clients.


Walter J. Pilch Engineering and Land Surveying (Pilch Engineering) was founded in 1968 by Walter James “Walt” Pilch. Walt was born June 14, 1926 in the coal mining area of Monarch, Wyoming to Polish immigrants John and Susie Pilch. During World War II


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For over 40 years Pilch Engineering has provided a full range of civil and environmental engineering services along with geology and regulatory permitting.  Our highly trained professional staff specialize in:



Civil Engineering 

Residential and Commercial Subdivision Design 

Geotechnical Engineering 

Water and Septic System Design 

Landfill Design and Monitoring 


Hydrogeology Studies and Investigations 

Groundwater Monitoring 

Environmental Permitting 


We also partner with other professionals on occasion to leverage combined expertise and deliver the best possible result for our clients.

Contact Us

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Physical address

Casper Location:

111 West 2nd Street; Suite 400

Casper, WY 82602

Sheridan Location:

424 North Main Street, Suite 201

Sheridan, WY 82801

mailing address

Pilch Engineering
P.O. Box 1518
Casper, WY 82602