Why Hammerhand Construction? You don't have to search far and wide for a local home improvement company that will put your needs first. Homeowners from around Edgar, Marathon City, WI and surrounding areas trust Hammerhand Construction because... We are locally owned and operated We have over 10 years of experience We are LEED-certified window installers You'll love the difference we can make for your home's value and comfort. Connect with us today to schedule a consultation.