The Freedom of Information Act (FOIA) allows any person to inspect, copy or receive a copy of a public record.  A Freedom of Information Act request (pdf) for specific contract information may be emailed, faxed or mailed.

Freedom of Information Act request (doc)

Competition is the name of the game in Michigan contracting.  Businesses interested in winning state contracts should prepare for their solicitation response by researching contracts in their area of interest.  Through a FOIA request, key elements of a winning proposal are available for aggressive bidders.

Purchasing Operations FAQ Sheet for Freedom of Information requests

Freedom of Information Act (Public Act 442 of 1976)