Diverse Projects. Solutions that Last.

Allied Engineering Services Inc. delivers high-quality civil, geotechnical, water resource engineering, and land surveying.

Our Mission

At AESI, we deliver engineering solutions that enable responsible growth for our communities. We leverage small-firm agility, technical expertise, and cutting-edge technology to provide big-firm capabilities, tailored solutions, and unparalleled value to our clients.

Services

Big-Firm Capabilities, Small-Firm Touch

Civil Engineering

We provide regional
expertise, reliability, and a
client-focused approach.

Geotechnical Engineering

We combine extensive experience and
advanced technology to deliver
category-leading geotechnical solutions in Southwest Montana and beyond.

Water Resource Engineering

Allied Engineering is a trusted leader,
providing cutting-edge solutions in
water resource management.

Land Surveying & Mapping

From data collection to the final product, we
bring accuracy, precision, and innovation to
every surveying and mapping project.

Featured Projects

Learn more about AESI’s extensive capabilities through recent projects that delivered unparalleled value to our clients.

Industries We Serve

Diverse Engineering Expertise

Commercial Engineering

With AESI, you can be confident that your investment is in safe hands as we work within established timelines and budgets, ensuring your project remains profitable.

Residential Engineering

Start your residential project the right way, with engineering that will stand the test of time.

What Our Clients Think

Testimonials

“Allied Engineering is very professional. They have presented reporting materials that are clear and easy to follow and provided the needed electronic documentation that we require in a format which we can use. The quality of their work has exceeded our expectations.”

USFS Region 4 Instream Flow Analysis Project, CPARS Review

“Allied Engineering Services, Inc. (AESI) is a well-rounded and comprehensive Engineering firm…as an Owner, AESI’s sense of urgency to submit necessary documents and obtain necessary approvals is unmatched in the Bozeman area…AESI has earned our trust and respect. We feel lucky to have AESI as a professional resource. AESI will exceed your expectations.”

Brad Lewis, DLM Contracting Inc., NAVFAC/USACE Past Performance Questionnaire

“The firm has an excellent staff with experience in geotechnical engineering, hydrology, hydraulics as well as an in-house soils
laboratory… The staff at Allied has always taken the time to understand regulations and requirements, which has made our job as a state regulatory
agency easier.”

Michele Lemieux, DNRC Montana, Dam Safety Program Manager

Have a Project?

Contact Allied to get started.

Looking for a place to grow?

Learn more about how you can be part of a team that is committed to excellence, professional development, and collaboration.

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