Loiederman Soltesz Associates, Inc. is a leader in land development engineering. Loiederman Soltesz Associates, Inc. was formed in 1980 for the purpose of providing quality, cost-effective engineering, planning, surveying, and environmental services to the public and private sectors. Through its 25 years of successful work on some of the most preeminent communities and facilities in the nation, the award-winning firm has established a solid reputation for delivering unparalleled service. Headquartered in Rockville, Maryland, Loiederman Soltesz Associates spans six offices strategically located throughout Washington, DC’s metropolitan area. In 2006, Loiederman Soltesz Associates was ranked #308 in the nation on Engineering News-Record's annual Top 500 Design Firms list.