AZTEC is a multi-discipline Engineering and Environmental consulting firm assisting public and private clients to plan, devel ... op, design, construct, and maintain critical infrastructure projects around United States. Headquartered in Phoenix, Arizona, we also have offices in California, Colorado, Indiana and Nevada to better meet our clients’ needs. Established in 1992, AZTEC has grown the company from a 2-person, DBE firm into a corporation with offices throughout the US. In 2006, we became part of TYPSA Group, an international firm with 50 offices, 2,600 employees and annual revenues of $250 million - a testament to AZTEC’s long-term, financial stability and reputation. read more