LJA Engineering & Surveying is a full-service consulting engineering firm that serves the public and private sectors in Texas. Its engineering and surveying services are divided into areas such as transportation, land development, water resources, planning and geographic information services. The company consists of more than 300 civil engineers, transportation engineers, structural engineers, hydrologists, construction managers, land planners, designers, technicians and surveyors. Headquartered in Houston, LJA Engineering & Surveying also has offices in San Antonio, Austin and The Woodlands, Texas.