Association Memberships

ASA Chicago (Association of Subcontractors and Affiliates)

A. Horn, Inc. is an active member of the association, participating in monthly meetings and seminars. Mark Horn is currently serving on the board of directors.


Vistage is an group of business leaders that meet to provide each other with support and feedback. The executive team members have been members of Vistage (formerly TEC) for over 10 years, which has aided them to successfully lead their company.

USGBC (United States Green Building Council)

A.Horn Inc. is a current member of the Illinois Chapter of the USGBC, and also a program sponsor. We advocate green building and the sustainability movement. We have participated in the construction of numerous LEED Certified projects.

GLCA (Great Lakes Construction Association)

A. Horn, Inc. is a current member of the association, which promotes union construction and growth in Illinois. GLCA provides networking, education, industry intelligence and safety information to its members.

ASA Chicago