Headquartered in Chicago with 11 locations, South Side Control Supply Co. was founded in the 1907 and has built a reputation as the most knowledgeable and responsive supplier in the HVAC business. We also take outstanding care of our employees, many of whom have spent their entire career at South Side. We are seeking new team members to help us grow significantly in the near future. Our locations include Chicago IL (headquarters), Broadview IL, Crestwood IL, Decatur IL, Des Plaines IL, Glen Ellyn IL, Lansing IL, Merrillville IN, Morton Grove IL, Peoria IL and Willowbrook IL Main Branch 6:30 am- 4:30 pm Monday through Friday, 8:00 am – Noon Saturday Other Branch Locations 7:00 am – 4:00 pm Monday through Friday service@southsidecontrol.com or text (312) 226-4900 24/7 After Hours Service (312) 226-4900