S & B Infrastructure, Ltd.

s & b infrastructure, ltd. (s&bi) has been in existence since 1994 as part of 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, pipeline and facilities. we provide services to public and private sector clients. we aspire to be the leader in providing quality professional design services 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.