jag construction At JAG Construction, we are the only Commercial and Home Improvement Company you will ever need. We specialize in all Commercial renovations and all things remodeling, from New Roofs, Siding, Windows, Trim Packages, and Guttering. We also install new Kitchens, Bathroom, Basements and New Additions.We have over 20 years experience, and will take our time installing your job and make sure it is done right the first time!!. Siding Contractors,Deck Builders,Roofing Contractors,Altering & Remodeling Contractors,Building Contractors