A re-shuffle of the ‘07 Exterior 200 based on repeat, referral, and marketing lead sources offers a glimpse at the different models for success in the exterior contracting business.
In just two years, the Vinyl Siding Institute, Inc., located in Washington, D.C. representing manufacturers of vinyl and polymeric siding and suppliers to the industry, has certified nearly 2,000 vinyl siding installers nationwide through the Certified Installer Program.