Locations "EI Technologies provides comprehensive GIS database design and development services for organizations." EI Technologies has offices to serve customers around the world. Corporate OfficesDenver, COTel: (720) 851-1717Fax: (720) 851-5550Mid-South OfficeMemphis, TNTexas OfficeHurst, TX and San Antonio, TXEI Technologies CanadaMississauga, Ontario, CanadaEI Technologies Middle EastWe maintain offices in Oman and Kuwait through our local agents.EI Technologies CaribbeanWe maintain offices in Trinidad & Tobago and Belize through our local agents.EI Technologies AfricaWe maintain offices in Nigeria and Uganda through our local agents.