Voting will take place this week at Confederation College campuses across the region for part-tim support staff.
The issue is whether the workers should belong to the Ontario Public Service Employees Union.
Spokesperson for the college workers Richard Belleau says they were only given the right to join a union recently.
Voting will take place in Kenora, Dryden and Sioux Lookout on Tuesday, and Fort Frances on Wednesday.
The certifcation vote is scheduled to wrap up across the province at the end of this month.