📍 10154 S Seeley Ave, Chicago, IL, 60643
📞 773-239-3514
Mechanical engineering, especially mechanical design, expertise. Forty years experience as expert witness in patent and product malfunction or failure litigation. Clients include Brinks, Hofer - Black and Decker - DEV - Affiliated Hospital Supply - Cassidy and Mueller - Caterpillar - JLG - Engineered Plastic Products - Whirlpool - Schlage - Formula - GSI - Popeil - SJ Levy - ATI - both plaintiff and defense cases Fellow, American Society of Mechanical Engineers rollindix.com lists litigation and research publications. References on request. Professional Engineer, Illinois. Resides in Chicago. Professor Emeritus, Illinois Institute of Technology
📍 5735 S Harlem Ave, Chicago, IL, 60638
📞 773-586-0600
📍 7471 W 93rd St Ste D, Bridgeview, IL, 60455
📞 708-430-7600
🌐 dps-hq.com
Updated Sep 2026
📍 4724 S Christiana Ave, Chicago, IL, 60632
📞 773-927-8600
🌐 orbent.com
ORB Enterprises Inc is a professional engineering firm located in Chicago, Illinois. The company provides engineering services tailored to various industries. Recent online activity indicates it is an active business in the area.
Updated Sep 2026
📍 3579 W Columbus Ave, Chicago, IL, 60652
📞 773-471-2200
🌐 castleengineeringinc.com
Castle Engineering is a professional engineering firm located in Chicago, Illinois. The firm offers a range of engineering services, though specific specialties are not detailed. Recent online activity indicates that it is an active business in the area, serving clients in Chicago and potentially beyond.
Updated Sep 2026
📍 4321 W 32nd St, Chicago, IL, 60623
📞 773-376-9494
🌐 wwengineering.com
W W Engineering is a professional engineering firm located in Chicago, Illinois. Established in the area, it has been active since at least 2016, providing engineering services to local clients. Those seeking expertise in engineering can consider this firm for their projects.
Updated Aug 2026
📍 9306 Odell Ave, Bridgeview, IL, 60455
📞 708-599-1101
🌐 akhras.net
Akhras Associates Inc is a professional engineering firm located in Bridgeview, Illinois. The firm has an active online presence as of 2024, indicating ongoing engagement with clients and the community. Professionals seeking engineering expertise can consider reaching out to this firm for their projects.