For more information about Sterling Management Systems, to contact a consultant to discuss your company's potential, or to simply send a message, fill our the following form and click on Send Message. Name:  Email:  Office Phone:  (include area code) Optional Info:  Best time to reach you:  Address:  City:     State:  Zip:     Sterling Management Systems 316 W. Wilson Ave., Glendale, CA 91203 (818) 241-1144 (800) 933-7538 Fax: (818) 241-0271 email: info@sterling-management.com