Sterling Infrastructure, Inc. operates through its subsidiaries within three segments which include E-Infrastructure, Transportation and Building Solutions in the United States, primarily across the Southern, Northeastern, Mid-Atlantic and Rocky Mountain regions and the Pacific Islands. The E-Infrastructure segment provides site development services and electrical services for data centers, semiconductor fabrication, manufacturing, distribution centers, warehousing, power generation and more. The Transportation segment includes infrastructure and rehabilitation projects for highways, roads, bridges, airports, ports, rail and storm drainage systems. The Building segment includes residential and commercial concrete foundations for single-family and multifamily homes, parking structures, elevated slabs, other concrete work, plumbing services, and surveys for new single-family residential builds. Its geographic markets are Texas, Dallas-Fort Worth, Houston and surrounding communities.