The Maplewood company has obtained a temporary injunction against the firm.
The shortage comes as Minnesota is competing with other states for PPE supplies.
The site is interactive and allows updated information for supplies and hospital capacity.
It comes after 3M was criticized for shipping masks to foreign countries.
A Little Canada-based company started selling N95 masks having never sold them before.
The cardiologist was pulled over by a MN state trooper.
The company says the N95 masks "were available for purchase in error."
Got any unused ones? You can give them to the MN Nurses Association.