Ecolotree® is an Iowa-based engineering company that designs, installs, and maintains engineered forests at regulatory-permitted sites, such as landfills and chemical spill sites. This rapidly growing technology is called "phytoremediation."

Ecolotree is the oldest and most experienced phytoremediation company in America, with 55 sites installed across the United States and one in Europe. Planted locations include landfills, contaminated soil and groundwater sites, municipal and industrial wastewater treatment sites, brownfield sites, agrochemical spill areas, riparian stream filters, and animal feed lot perimeters. Clients include large landfill companies, national consultants, the Navy, NASA, and a number of Fortune 500 companies.