What Customers Say

OJS Building Services has many satisfied customers in several industries, such as Retail, Education, Medical, and Class A Office Space. We’ve been providing excellent service for decades.  Here are some of our customers comments and recommendations regarding energy savings, and quality service that we provide to them.  We offer mechanical service, from qualified service workers, as well as building automation systems and direct digital control (DDC) controller installation for your buildings that can save you on energy costs every day.