Many Macomb County employees are represented by unions. Labor agreements are available for review below.
- Administrative and Technical Employees Association (ADTECH)
- American Federation of State, County and Municipal Employees Local 411 (AFSCME)
- Building Trades Association
- Command Officers Association of Michigan (COAM)
- Environmental Health Association (EHA)
- Fraternal Order of Police Labor Council (FOPLC)
- International Union of Operating Engineers (IUOE)
- Macomb County Professional Deputy Sheriffs Association (MCPDSA)
- Michigan Nurses Association - Unit 1 (MNA)
- Police Officers Association of Michigan (POAM) - Animal Control Officers Association
- Police Officers Association of Michigan (POAM) - Assistant Prosecuting Attorneys
- Police Officers Association of Michigan (POAM) - Juvenile Justice Center
- Police Officers Association of Michigan (POAM) - Medical Examiner Investigators
- Police Officers Labor Council (POLC) - Captains and Commander
- Road Technicians Association (ROADTECH)
- Teamsters Local 214 - Circuit Court/Friend of the Court
- Technical, Professional and Officeworkers Association of Michigan (TPOAM) - Circuit Court Officers and Professionals Association
- Technical, Professional and Officeworkers Association of Michigan (TPOAM) - Information Technology Employees Association
- Technical, Professional and Officeworkers Association of Michigan (TPOAM) - Juvenile Court and Juvenile Justice Center
- Technical, Professional and Officeworkers Association of Michigan (TPOAM) - Public Defenders Office
- Technical, Professional and Officeworkers Association of Michigan (TPOAM) - Specialized Employees
- United Auto Workers (UAW) Local 412 - Supervisors/Assistant Corporation Counsel/Macomb Community Action Head Start Professionals
- United Auto Workers (UAW) Local 889 - Macomb Community Action/Probate Court/Corporation Counsel/Specialized Offices