Diane Simpson-Colebank

Logan Simpson is a natural resource-based environmental planning, community planning, and landscape architecture firm headquartered in Tempe, Arizona. We serve clients throughout the West and as far away as Florida. Logan Simpson offers a wide range of services that include NEPA planning, biology, cultural resources, Clean Water Act permitting, visual resource analysis, community planning, and landscape architecture, and has a broad portfolio of projects for local, state, tribal, federal agencies, private developers, and energy providers. We are also certified as a woman-owned business by the Women's Business Enterprise Council and are designated as a federal small business for cultural resources services. We hold GSA contract GS-10F-0063P in addition to numerous blanket purchase agreements, IDIQ, and on-call contracts. For more information, visit us at www.logansimpson.com. Linktree: https://linktr.ee/logansimpson