Progressive Insulation & Windows is a family-owned company that has been in business since 1978. The company sells brand name windows, doors and insulation to commercial and individual customers in Southern California. Its products include Milgard vinyl windows and patio doors, Therma Tru fiber and wood-blend doors and Johns Manville residential and commercial insulation. Progressive Insulation & Windows has more than 150 employees and maintains a showroom in Chatsworth, Calif. Progressive is a member of the League of American Homeowners and a licensed contractor in California.
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