Arias & Associates, Inc. dba ARIAS was founded by President & CEO Robert Arias, P.E., from his garage in 1996. Since then, we have grown into one of the premier engineering firms in Texas with headquarters in San Antonio and offices in Austin, Dallas-Fort Worth, and Eagle Pass. Throughout the last 25 years of growth, we have maintained our family-oriented values and strong emphasis on professional education for our 100+ employees.