The Original Six Teams composed the National Hockey League for the 25 seasons between the 1942-43 season and the 1967 NHL Expansion. All six date from the NHL's first decade, and pre-date the other 24 teams currently in the league by over forty years. Below are their ECHL affiliates.

The Wheeling Nailers are the affiliate of the Pittsburgh Penguins and the Montreal Canadiens.

They are in the Eastern Conference's Atlantic Division.

The franchise began play in 1981 in the Atlantic Coast Hockey League as the Carolina Thunderbirds. They were one of the five teams in the ECHL's first season in 1988. They moved to Wheeling in 1992.

The Thunderbirds won the first ECHL playoff championship, then known as the Jack Riley Cup.

The Greenville Road Warriors are the ECHL affiliate of the New York Rangers.

They are in the Eastern Conference's South Division.

The franchise had previously played as the Johnstown Chiefs from the ECHL's inception in 1988 until the team's relocation in 2010. Neither the Chiefs or Road Warriors have been play-off champion. Throughout Johnstown's history, the club had affiliation agreements with the Boston Bruins, Colorado Avalanche, Columbus Blue Jackets, Minnesota Wild and Pittsburgh Penguins.

The Orlando Solar Bears became the ECHL affiliate of the Toronto Maple Leafs in July 2013.

They are in the Eastern Conference's South Division. The team's first season was 2012-13 as the Minnesota Wild's affiliate.

The Toledo Walleye are the affiliate of the Detroit Red Wings and Chicago Blackhawks.

They are in the Eastern Conference's North Division.

The Walleye were originally founded as the Toledo Storm in 1991 and changed their name in 2009. The Toledo Storm were play-off champions in 1993 and 1994.

The South Carolina Stingrays became the ECHL affiliate of the Boston Bruins in July 2012.

They are in the Eastern Conference's South Division.

The team was founded in 1993 and were the Washington Capitals ECHL affiliate 2004-12. The Stingrays won the Kelly Cup championships in 1997, 2001 and 2009.