As a Union/Employer small companies qualify as well. The key is that you are sending candidates out through dispatch to various projects; as long as the guys are working on a project when you apply, and will return to that project once they get certified, they will qualify for funding.
Further information: https://www.workbc.ca/Employer-Resources/Canada-BC-Job-Grant/What-is-the-Canada-B-C-Job-Grant.aspx