When Mark Thomas opened his practice in 1927, he single-handedly offered civil engineering and land surveying, supporting land development projects.

Mark Thomas

From 1927 until after World War II, Thomas maintained a solo practice; in 1947 he hired Aldo Savio as a partner, beginning the company’s steady growth. Since then, we have grown and evolved to meet the needs of our clients and communities throughout California.

Principals, Circa 1960

Mark Thomas work room, Circa 1960