IER www.ier-oem.com IER is a Siemens authorized member of the panel builder program. Offering new custom switchgear packages, motor control centers and buckets, combination starters, custom control products including explosion proof enclosures. We have the ability to quick-ship all our products in as little as one day on some equipment. All equipment and service comes with a 2 Warranty backed by a certificate of product liability insurance. IER stocks all major ...