In December 2013, a 21 year-old Michigan precedent was overturned. More “contractors” will now be considered “employees” of the host site’s company, at least in those unfortunate situations if that person becomes injured on the job. If you are a company that regularly uses contingent and contract workers, make sure your worker’s comp insurance is up-to-snuff.
If the worker does not maintain a separate business, does not hold himself or herself out to and render service to the public, and does not employ other workers, the worker will be considered an employee
Here’s more details, straight from the Michigan Workers’ Compensation Agency.