Members Events Search View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List OJS Building Services Inc. No Reviews Favorite : ClosedMonOpen 24 hoursTueOpen 24 hoursWedOpen 24 hoursThuOpen 24 hoursFriOpen 24 hoursSatClosedSunClosed Commercial Heating, Ventilation, and Air Conditioning as well as Building Automation Systems Read more... NIPSCO No Reviews Favorite NIPSCO Read more...