The primary locations where these requests for bids are published are: The MAC solicits bids for large construction projects and purchases of most goods and services totaling $175,000 or more. To learn more about current opportunities, click on the Solicitations tab. Providing Goods and Services to the MACĪs a public corporation of the State of Minnesota, the MAC abides by certain established policies and procedures for the solicitation and procurement of goods and services. Thank you for your interest in doing business with the Metropolitan Airports Commission (MAC). A number of opportunities exist for businesses and individuals to provide goods and services to the MAC and its airports. Reliever Airports Commercial Tenant Council.Archived Lake Elmo Airport LTCP documents.Joint Airport Zoning Board - Flying Cloud.Crystal Airport 2016-2017 LTCP Archived Material.Crystal Airport Environmental Assessment.Airlake Airport Archived LTCP Documents.