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Affiliated Engineers, Inc. (AEI) provides engineering leadership for complex projects supporting clients who do great things to improve lives and protect the future. Our mission drives us to find unique solutions to solve our clients’ challenges. The firm emphasizes sustainability and environmental stewardship in our work as implicit priorities of high-performance design.

Contact Information

Primary Contact: Brett McQuillan


4742 North 24th Street, Suite 100

Phoenix, AZ 85016

License Number: 38135

Trade Ally Since 2011

Your participation in the Solutions for Business program supports reliable, affordable and clean energy in Arizona.

Small or big business – APS Solutions for Business can help you manage your account and energy costs. You’ve got enough to think about, so we make it simple to manage your APS account with easy-to-use tools. You’ll also find energy-saving solutions for your business, including many no- and low-cost options.