Kenneth Vern Cockrel

Rails-to-Trails Conservancy, a nonprofit membership organization is working to create a nationwide network of trails from former rail lines and connecting corridors. RTC is committed to enhancing the health of America's environment, transportation, economy, neighborhoods and people though a nationwide system of trails. Rails-to-Trails Conservancy is headquartered in Washington, DC.

The Detroit Zoological Society is a private, not-for-profit corporation. It operates the Detroit Zoo and Belle Isle Nature Zoo. The firm offers arctic ring of life and the australian outback adventure, the detroit zoo houses over 1,500 animals of 260 different species. The Belle Isle Nature Zoo encompasses 20 acres of forested wetlands with nature trails, a lodge and live animal exhibits focusing on Michigan wildlife. The company was founded in 1911 and is headquartered in Royal Oak, MI.