Cooper & Associates – A Quad Plus Brand

Professional Engineering Services
Cooper & Associates, a specialized division of Quad Plus, delivers professional engineering and project coordination services for industrial projects of all sizes. Cooper & Associates harnesses the expertise and resources of Quad Plus to provide tailored solutions in structural, piping, civil, electrical, and mechanical engineering.
Whether executing major capital investment initiatives or optimizing the technical aspects of small plant upgrades, our team ensures precision, efficiency, and innovation at every stage. Clients benefit from our deep industry knowledge, backed by the global capabilities of Quad Plus, positioning them for success in an ever-changing industrial market.

Industrial Engineering Services
Our engineers and project managers apply their proven expertise to enhance operational safety, efficiency, and reliability. With advanced 3-D designs, we optimize productivity, maintain quality standards, and support long-term success. Our industry-leading expertise includes mechanical, piping, electrical, civil, and structural engineering as well as HVAC engineering for commercial and industrial spaces.
Cooper & Associates Office Address
2200 Ellis Road
New Lenox, IL 60451
Phone (US and International)
Toll Free: (844) 251-7823




