Designs By Tatanka L.L.C. (DBT) is a privately held Minority Owned Small Business with operations in Washington DC. Our staff consists of industry certified technicians averaging over 15 years of experience in the areas of IT, telecommunications, PBX systems, and Mobile Solutions, Infrastructure design, and implementation, web design and development desktop technologies and support. In addition to this, our partnerships with leading custom software programming firms enable us to help clients solve difficult system problems. Vendor accreditation and customer references upon request.