ESMThe City of Sioux Falls is now offering electronic bidding through ESM Solutions for supplies, equipment and services. The process of bidding on Constructions projects will not be converted to the electronic format at this time. All businesses will be required to register through ESM as a condition of submitting bids for the City. Please click on “Supplier Registration Instructions” under Resources below for details on how to register. If you have any questions, please do not hesitate to contact the Purchasing Department at (605) 367-8013 or ESM at (877) 969-7246.