Specifications include, but are not limited to: Pinal County (County) is seeking qualified commercial tenants (Respondents) to operate on vacant land and/or facilities (Property) located at the Pinal Airpark (Airpark), a General Aviation facility that is owned and operated by Pinal County. The Airpark is located in southern Pinal County adjacent to the border of Pima County and approximately nine miles northwest of the city center of Marana, Arizona. Respondents must demonstrate how their proposed use of the Property will advance the mission and development of the Airpark consistent with the Pinal Airpark Master Plan Update published in September 2015 titled “Airport Master Plan – Final Report” at http://pinalcountyaz.gov/Airport/Pages/Home.aspx