STO Building Group

Structure Tone Southwest, a privately held company incorporated in the state of Texas, is a full-service general contracting firm providing a complete range of construction expertise since 1977.

At Structure Tone Southwest, we’re proud that most of our new business comes from repeat clients. We have developed long-term partnerships with leading companies to create—and maintain—compelling spaces for their employees and tenants.

Structure Tone Southwest has offices in the major business centers of Texas—Dallas, Houston, San Antonio, and Austin.

With the resources of an annual sales revenue of $1 billion and more than 250+ professionals on staff, we are able to serve our clients throughout the Southwest Region.