Headquarted: Gary, Indiana
Chartered: 1936, as the Carnegie-Illinois Steel Employees Gary Works Federal Credit Union
Past Names: Carnegie-Illinois Steel Employees Gary Works Federal Credit Union, Technical Administrative and Central Mills Division Federal Credit Union
Website:
 | A sign for the Tech Credit Union in Crest Hill, IL. (June, 2010) |
 | A sign for the Tech Credit Union branch in Lowell, IN. (June, 2011) |
 | A Tech Credit Union branch in Gary, IN. (February, 2017) |
 | A Tech Credit Union branch in Crown Point, IN. (February, 2017) |
 | A Tech Credit Union branch in Calumet City, IL. (April, 2017) |
 | A Tech Credit Union branch in East Chicago, IN. (July, 2018) |
 | A Tech Credit Union branch in Valparaiso, IN. (August, 2020) |