Walker – Full Member

Walkerville – Full Member

Walled Lake – Full Member

Warren – Full Member

Washington Township – Limited Associate

Washington Township – Limited Associate

Washtenaw County – Full Associate

Watertown Charter Township – Limited Associate

Watervliet – Full Member

Waverly Township – Limited Associate

Wayland – Full Member

Wayne – Full Member

Wayne County Airport Authority – Full Associate

Weare Township – Limited Associate

Webberville – Full Member

Weesaw Township – Limited Associate

Wells Township – Limited Associate

West Bloomfield Parks & Recreation Commission – Limited Associate

West Bloomfield Charter Township – Full Associate

West Branch – Full Member

West Iron County Sewer Authority – Limited Associate

West Michigan Regional Water Authority – Limited Associate

West Traverse Township – Limited Associate

Western Washtenaw Recycling Authority – Limited Associate

Westland – Full Member

Westphalia – Full Member

Wheatland Township – Limited Associate

White Cloud & Sherman Utilities – Limited Associate

White Cloud Community Library – Limited Associate

White Lake Ambulance Authority – Limited Associate

White Lake Building Inspecton Board – Limited Associate

White Lake Charter Township – Limited Associate

White Lake Community Library – Limited Associate

White Lake Fire Authority – Limited Associate

White Lake Solid Waste Authority – Limited Associate

White Pigeon – Full Member

Whitewater Township – Full Associate

Whitehall – Full Member

Whittemore – Full Member

Willard Public Library – Limited Associate

Williams Charter Township – Limited Associate

Williamston – Full Member

Winfield Township – Limited Associate

Wixom – Full Member

Wolverine – Full Member

Wolverine Lake – Full Member

Woodbridge Township – Limited Associate

Woodhaven – Full Member

Woodland – Full Member

Wyandotte – Full Member

Wyoming – Full Member