In business for more than 20 years, Manley Consultants provides full-service engineering and surveying services in more than 15 states. The company offers a wide range of civil engineering and surveying services. Its civil engineering services include feasibility studies; road and street design; environmental audits and site assessment; flood protection facilities; stormwater collection; and site design. Surveying options are hydrographic, topographic, boundary line, cadastral, design and title surveys. Manley Consultants is located in Houston.