Mercer County Church Steel Quoit League was established in 1933.It was then called the "Trenton Steel Quoit Church League".  The name was later changed to it's present one to include those churches not located in the Greater Trenton area. The League has been active for over seventy years, with the only excepted period being 1942-1945 for World War II.

The following churches have had teams in the League.

Christ Presbyterian Ewing Presbyterian Lawrenceville
Presbyterian
Incarnation
Holy Name Society
Covenant Presbyterian Dutch Neck
Presbyterian
Lawrence Road
Presbyterian
Slackwood
Presbyuterian
Greenwood
Methodist
Trinity
Methodist
Titusville
Methodist
Broad St. Park
Methodist
Homecrest
Baptist
Calvary
Baptist
Olivet
Baptist
St. Pauls
Methodist
St. Bartholomew
Lutheran
Hillcrest-Grace
Lutheran
Trinity
Lutheran
Advent
Lutheran
Bethel Lutheran St. Marks Lutheran Redeemer
Lutheran
St. Johns
Lutheran
John Calvin Reformed St. James
Episcopal
Carversville
C. of C.
St. Matthias
Episcopal
E. Trenton
Presbyterian
Westminster
Presbyteriann
W. Trenton
Presbyterian
Prospect
Presbyterian
Yardville
Presbyterian