Phone: 630-758-0424


Rotating Equipment Specialists, LLC (RES) was formed by the merger of Electronic Dynamic Balancing Co. with Fan Services, LLC. Since 1954, businesses have depended on our companies to keep their machinery operating efficiently, safely and at optimum uptime. This has been achieved by providing customers with professional services for precision balancing, vibration analysis, and predictive and corrective maintenance services.

To properly serve our customers we are available 24 hours a day, 7 days a week by phone or through our Emergency Paging Service. We have certified service technicians’ on-call at all times to assist our customers, and we travel nationwide to meet the needs of our customers.

RES has over a dozen certified vibration and balancing professionals on staff, and the average industry experience of our field service technicians is over 20 years. Our broad base of experience gives us expertise in handling rotating equipment in diverse applications from a variety of manufacturers.