Roughly 390 OPSEU/SEFPO members work for Chatham-Kent Health Alliance. They are each a member of 1 of 2 bargaining units and their wages and rules of work are laid out in 2 contracts:
- Chatham-Kent Health Alliance Office and Clerical - collective agreement
- Chatham-Kent Health Alliance Paramedical - No contract on file
The Chatham-Kent Health Alliance workers are each members of OPSEU/SEFPO Local 132.