Thornton Tomasetti

Is Your Company a Member?

If you previously had a login to the ACEC WI site, please click here to set a password for the new website.

If you are new to ACEC WI, we invite you to create an online account below in order to:

• Access the Member Directory
• Register for Events
• Receive Local & National Updates
• View & Pay Invoices

Applying for Membership?

The members of ACEC WI invite and encourage you to join!

By working together, we can achieve our mission to create a healthy environment for engineering firms to advance the prosperity and welfare of Wisconsin and enhance our industry as a whole. 

Memberships are firm-based and individuals cannot join ACEC WI. If you are an individual needing to login under your member firm, please refer to the information on the left.

For consulting engineering firms, please click here. For affiliates, please click "View Membership Types" below.