OTHON is a multi-discipline civil engineering firm. Our Engineers and Designers are dedicated to improve the quality of life in our Communities…one project at a time. The strength of our company is rooted in the quality of our employees whose daily mission is to accomplish great things, exceed our clients’ expectations and meet the challenges of our growing infrastructure through practical engineering solutions, innovation, and hard work. Our diverse group of Professional Engineers and Designers lead the way by providing a full range of design services in roads and highways, bridges and structural engineering, high speed rail systems, pumping and drainage networks, airports, municipal infrastructure, intelligent transportation systems, construction management, and program management services for all levels of government agencies as well as private developers. OTHON’s reputable construction management services have provided critical support in the delivery of many high-profiled projects, including the $2.5 billion Katy Freeway Reconstruction Project, Bush Intercontinental Airport Rehabilitation, Houston Toyota Center, 2013 Fort Bend Mobility Bond Program and the $1.5 billion US 290 Reconstruction Project. A growing leader in the Design-Build market for major tollway corridors, OTHON provides a full range of civil engineering services for the multi-billion dollar design-build projects in Texas, California and Georgia. From leading the design of the first high speed rail system in California to the reconstruction of aging bridge systems in Florida, OTHON is expanding its footprint nationally. Founded and headquartered in Houston, Texas in 1980, with a branch office in Richardson, Texas, OTHON provides professional engineering services to government and private entities. Our repeat clients are a testimony to the high level of service and quality performance provided by our professionals over the past 42 years.