 the national indoor football league was a professional indoor football league in the united states. for their first six years, the league had teams in markets not covered by either the arena football league or its developmental league, af2, however, that changed briefly with their expansion into afl markets such as atlanta, denver, and los angeles, and af2 markets such as fort myers and houston. ==history== the nifl, based in lafayette, louisiana, was founded by carolyn shiver. the league started operations in 2001, with many teams coming from indoor football league being bought the previous year and folding operations. in 2002, the league added in the teams from the indoor professional football league. 2003 was the most successful year for the league as 24 teams played a mostly complete schedule, with few cancellations. before the 2005 season, nine teams left the league to form united indoor football. that same year though, the intense football league ceased operations and four teams from there joined the league. those teams however, left the league before the 2006 season started. for the 2005 season, the nifl had an agreement with nfl to handle referee assignment and training. the agreement was not renewed after the season was over. the 2006 season, was the most chaotic for the league to that point. ten expansion teams were added to the league, but nine of them had problems that reflected badly on the league. the most notable situation was the owner of the montgomery maulers firing the entire team.nifl squad in montgomery fired after salary dispute none of the ten expansion teams returned to the league for the next season. the 2007 season started with several league-owned expansion teams added in, primarily to supplement games with the returning teams. however, the teams were all poorly funded and had problems. on may 11, 2007, the ten independently owned franchises banded together and left the nifl. these ten teams played against each other as independents for the remainder of the 2007 season. of these teams, 7 have left the league for good. the rest of the teams folded.state of the marshals, press release, may 11th 2007 no playoffs were held at the end of the season. san 
2001_establishments_in_the_United_States 2008_disestablishments_in_the_United_States Defunct_indoor_American_football_leagues National_Indoor_Football_League Organizations_disestablished_in_2008 Sports_leagues_established_in_2001