S&B Infrastructure, Ltd. (S&BI) has been in existence since 1994 as part of the S&B Holdings, Ltd., (one of the largest privately-owned engineering firms in the State of Texas). S&BI provides planning, multi-discipline engineering design, and construction phase services in the following market sectors: transportation, federal, public works, environmental, and pipeline facilities and engineering design.  We strive to be the leader in providing quality professional design services, practical engineering and innovative, cost-effective solutions to meet our client’s expectations. We provide an ethical environment that empowers our employees to grow and contribute to the quality of life of the communities we serve.