Headquarted: Joliet, Illinois
Chartered: 1942, as Diesel Credit Union
Past Names: Diesel Credit Union, Members Equity Credit Union, Earthmovers Credit Union of Joliet, Dynamic Credit Union, Employees of United Auto Workers Local 719/ UAW Independent Parts Suppliers Credit Union, Follet Publishing Company Credit Union, Sears/Allstate Credit Union, Mojoinner/FMC Credit Union, Stanadyne Chicago Credit Union, Western Acadia Employees Credit Union, TRW/Connector Credit Union, Corn Products Company Credit Union, Lyons Township Credit Union, Johnson and Johnson Credit Union, Joliet District Credit Union, Cergro, District 103, Tri-County FCU, NuGenesis Credit Union, A.J.E. Credit Union
Website: http://www.numarkcu.org
 |  | A sign for the Numark Credit Union branch in Joliet, IL. (February, 2009/February, 2011) |
 |  | A sign for a Numark Credit Union branch in Crest Hill, IL. (February, 2010/February, 2011) |
 | A Numark branch in New Lenox, IL. (November, 2018) |