Taxes in Dekalb, IllinoisList of Companies in Taxes category in the city of Dekalb, Illinois.Share this page: Gem Llc Dekalb, Taxes; 2022 Sycamore Rd, Dekalb, IL, 60115-2090; (815) 756-8299Koach Tony Ea Dekalb, Taxes; 2700 N 1st St, Dekalb, IL, 60115-1010; (815) 756-79261