Nicor National

Grease Guard, based in Naperville, IL, specializes in rooftop grease containment solutions, offering the UL Listed Grease Guard Rooftop Defense System designed to collect and prevent the discharge of fats, oils, and chemicals that can harm rooftops and the environment. With over 20,000 units installed across various sectors including restaurants, property management, and industrial applications, the company emphasizes quality, safety, and community responsibility. All products, including the patented Grease Guard systems and the Drip Guard, are made in the USA, reflecting a commitment to national manufacturing and unrivaled industry experience. Grease Guard not only enhances rooftop safety and compliance but also aims to protect valuable community resources by mitigating the risks associated with rooftop grease accumulation. Generated from the website

Founded in 1970, Westside Mechanical is one of Illinois' leading HVAC systems and service contractors. The company has designed, installed and serviced thousands of HVAC systems utilizing a full range of manufacturers, technologies, and HVAC applications and systems. The company s in-house design resources include design/build engineering services, Sheet Metal and Air Conditioning Contractors National Association-certified sheet metal fabrication, automated building controls, customized 24-hour maintenance programs, and energy management and indoor air quality analysis services. Westside has design and installation expertise in commercial buildings, industrial facilities, health care facilities, engine test facilities, churches, computer rooms, laboratories, institutional facilities and clean rooms. Westside Mechanical maintains its corporate offices and a 40,000-square-foot working laboratory in Naperville, Ill., and has a branch location in Arlington Heights, Ill.