Donald L. Kimball

Henry Mayo Newhall Memorial Hospital operates as a not-for-profit community hospital and trauma center. It provides healthcare solutions which include a range of care services as well as inpatient and outpatient surgical services. The company was founded in 1975 and is headquartered in Valencia, CA.

The Urban Land Institute operates as a non-commercial research organization. It provides leadership in the responsible use of land and in creating and sustaining thriving communities worldwide. The company was founded on December 14, 1936 and is headquartered in Washington, DC.

LandSource Communities Development LLC engages in the development of residential, industrial, and commercial real estate properties. It sells residential lots to merchant builders, industrial, and commercial developers. The company was founded in 1883 and is headquartered in Valencia, CA

Newhall Land & Farming Co. developed residential, industrial and commercial real estate such as master-planned communities. The company was founded in 1839 and was headquartered in Valencia, CA.