📍 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
Updated Oct 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.
📍 10540 S Western Ave, Chicago, IL, 60643
📞 773-981-9039
📍 4532 W 103rd St, Oak Lawn, IL, 60453
📞 708-422-5306
🌐 csaeng.com
📍 5600 W 120th St, Alsip, IL, 60803
📞 708-389-5558
📍 7471 W 93rd St Ste D, Bridgeview, IL, 60455
📞 708-430-7600
🌐 dps-hq.com
Updated Oct 2026
📍 11633 S Austin Ave, Alsip, IL, 60803
📞 708-293-8390
🌐 engineeredabrasives.com
Engineered Abrasives Inc is a professional engineering firm located in Alsip, Illinois, specializing in custom services. The company offers products including engines and industrial equipment. With a recent online presence noted in 2026, it appears to be actively engaged in its industry.
Updated Oct 2026
📍 4838 W 128th Pl, Alsip, IL, 60803
📞 708-371-2100
🌐 ritter1.com
📍 4838 W 128th Pl, Alsip, IL, 60803
📞 815-397-7851
📍 4701 Midlothian Tpke Ste 4, Crestwood, IL, 60445
📞 708-293-1720
🌐 chiefengineer.org