Allen Park Chamber of Commerce; 6543 Allen Road, Allen Park 48101; 1-313-382-7303; Evelyn Boman, executive director. www.allenparkchamber.org

Greater Romulus Chamber of Commerce; 11189 Shook Road, Suite 200, Romulus 48174; 1-734-893-0694; Karen La Belle, executive director. www.romuluschamber.org

Huron Township Chamber of Commerce; 19132 Huron River Drive, New Boston 48164; 1-734-753-4220; Ken Moore, president. www.members.tripod.com/htcc48164

Lincoln Park Chamber of Commerce; 1335 Southfield Road, Lincoln Park 48146; 1-313-386-0140; Karen Maniaci, executive director. www.lpchamber.org

Southern Wayne County Regional Chamber; 20904 North Line Road, Taylor 48180; 1-734-284-6000; Sandy Mull, president. www.swcrc.com

The chamber serves 21 communities, including all 18 Downriver.

DOWN RIVER ASSOCIATION OF REALTORS

Down River Association of Realtors; 2674 W. Jefferson Ave., Suite 101, Trenton 48183; 1-734-287-8060; Elaine Adkins, chief executive officer. www.drar.com

MERCHANT/BUSINESS ASSOCIATIONS

Downriver and Detroit Business Association; 2011 Oak St., Wyandotte 48192; 1-313-595-2624; Laura Wyatt, director. www.dadba.org

Downriver Business Alliance; Mark Tremper, director. www.downriverbusinessalliance.com

Trenton Business Association; P.O. Box 4, Trenton 48183; 1-734-676-9651, ext. 3; Rick Williams, president. www.trentonbiz.com

Woodhaven Business Alliance; P.O. Box 23, Woodhaven 48183; 1-313-460-0438; Mark Tremper, director.

Wyandotte Business Association; City Hall, 3131 Biddle Ave., Wyandotte 48192; 1-734-324-4514; Lynn Steffensky, executive director. www.wyandottebiz.org