Jade Mechanical Services, LLC

Established in 1990, Tri-Star Mechanical specializes in food service equipment installation. Based in Elk Grove Vlg, Ill., the firm provides services, such as stainless steel remodeling, welding, polishing, commercial refrigeration and mechanical piping, to name a few. The company also offers heating, ventilation and air conditioning (HVAC) services, including hot water systems, split system air handlers, mechanical piping, roof top replacements, etc. Tri-Star Mechanical s client list includes The Rain Forest Caf , California Pizza Kitchen, Soldier Field, Roy s, Outback Steakhouse, Gibson's, United Airlines, Ram Brewery, McCormick Place, Brinker International, Midway Airport Concessions and many more.

Advance Mechanical Systems offers a line of mechanical contracting services, including heating, air conditioning, building automation, energy management, temperature control, power and process piping, plumbing, refrigeration and waste water treatment for building installations. Its specialized services include automated energy management systems, air and water balancing, energy retrofit, retrofitting of existing buildings with new mechanical systems, heat recovery systems, refrigeration plant modernization to meet EPA requirements, solar, ice and energy storage systems and cold storage plants. The service and maintenance division has factory-trained personnel who are on-call 24 hours a day, seven days a week. Its fleet of maintenance trucks provides clients with onsite diagnostic equipment. Advance Mechanical Systems is headquartered in Mount Prospect, Ill.