Directory

Public engineering firm profile

American Engineering Testing, Inc.

St. Paul, MN

Critical investigations, testing, analysis, and design for a more certain world

Services
34
Offices
22
Projects
3
Leaders
5
Founded
1976

Overview

American Engineering Testing, Inc. (AET) is a multi-office consulting practice headquartered in St. Paul, Minnesota, with more than 50 years of experience providing geotechnical, pavement, forensic, environmental, and construction-materials testing services. AET operates 19 independent construction-materials testing laboratories across Minnesota, Wisconsin, North Dakota, South Dakota, and Wyoming, several of which are AASHTO accredited and USACE validated, and can mobilize teams to most US states. AET's Petrography Group is the largest in North America. AET is a national leader in research-based construction-materials testing standards and has provided construction materials testing, pavement engineering, and forensic services internationally.

Founded
1976

Services

Construction Services

Construction observation, testing, inspection, and quality-assurance support for buildings and infrastructure across all 50 states, including pre-planning, material verification, special inspections, and project-closeout documentation.

Geotechnical Engineering

Geotechnical investigations, in-situ testing, laboratory testing, engineering design, and consultation to evaluate subsurface conditions and reduce construction risk. Notable project experience includes major sports arenas, high-rise buildings, major river bridges, and large transportation projects across the upper Midwest.

Pavement Engineering

Consulting on roadway and pavement performance supported by asphalt and concrete testing, mix design, and research.

Building Technology

Evaluations, structural inspections, testing, and design services for both existing and new structures.

Environmental Consulting

Site-condition, contaminant, compliance, and remedial-action support for environmental risk management.

Forensic Engineering

Investigational consulting and analysis to identify root causes of material performance issues, structural defects, and construction disputes.

Nondestructive Testing

Evaluation methods used to assess structural materials, weld integrity, and concrete internal conditions without causing damage.

Industries

Firm type

Projects

Minnesota Zoo Treetop Trail

2025 | Apple Valley, MN | Minnesota Zoo | Sports & Recreation

Construction observation, inspection, and testing for an innovative elevated trail feature at the Minnesota Zoo.

View project source

Credentials and affiliations

Leadership

Rita Zinn

Vice President of Strategy & Growth

Matthew Semerad

Principal Project Manager, Construction Services

Zachary Anunson

Director of Field Services, MN

Kristen Yates

Western Dakotas Area Manager

Chris Braaten

Senior Petrographer

PG, CPG

Offices

St. Paul Headquarters

Headquarters

Albertville

Bemidji

Duluth

International Falls

Mankato

Marshall

Rochester

Bismarck

Dickinson

Grand Forks

Williston

Pierre

Rapid City

Sioux Falls

Chippewa Falls

Green Bay

Wausau

Casper

Gillette

Sheridan