Established in 1915, LEO A DALY offers a variety of comprehensive services in a number of market sectors and geographic locations. Encouraged by a legacy of innovative leadership and the resources of a large firm, our inspired professionals work creatively in flexible teams, customized specifically for each project, to meet the unique needs of each client. The firm's award-winning portfolio includes projects in 91 countries, all 50 states, and the District of Columbia.

LAN is a subsidiary of LEO A DALY, with a long history and successful track record working closely with clients to produce high-quality work in a timely and cost-effective manner. They offer planning, engineering, and program management services for a wide variety of markets such as Energy Services, Facilities Engineering, Navigation, Ports & Coastal, Pipelines, Public Works Engineering, Rail and Transit, Transportation, Wastewater and Reuse, and Water Systems.