ACEC is the business voice of America’s engineering industry. We represent nearly 5,500 firms employing more than 640,000 engineers and design professionals who improve our world.

The American Council of Engineering Companies of Illinois (ACEC Illinois) is the state’s premier association dedicated exclusively to advancing the business interests of consulting engineering firms.

Dec 3, 2025 · ACEC Hawai‘i invites firms to participate in the 2026 Engineering Excellence Awards, a celebration of outstanding projects that continue to advance Hawai‘i’s engineering community.

The ACEC OKLAHOMA and the American Council of Engineering Companies (ACEC) are the only state and national engineering organizations devoted exclusively to advancing the business interests of …

ACEC is a federation consisting of 51 state and regional Member Organizations, advocating for policies at the federal, state, and local level that promote economic growth and improve the quality of life for …

Membership in ACEC gives you access to the largest national organization specifically focused on the business of engineering, with 51 state and regional member organizations representing more than …

ACEC hosts events throughout the year designed for professionals in the AEC industry to learn new skills, stay up-to-date with the latest industry trends and technologies, and connect with other …

Jan 8, 2026 · Severud Associates of New York has received the American Council of Engineering Companies’ (ACEC) highest distinction, earning the prestigious Grand Conceptor Award for its …

Reach Decision Makers at ACEC Events Learn more about sponsor, exhibit and advertising opportunities.

Our Mission ACEC’s primary mission is to strengthen the business environment for our member firms to deliver their essential professional services to improve our world.