National Pro Wrestling Day sent out the following:

National Pro Wrestling Day (2.2.13) will feature 24 wrestling organizations from across the United States, all working together as part of a day-long festival to celebrate the sport we all love! These 18 organizations have previously been announced to the public:

CHIKARA (PA)
Ring of Honor Wrestling (MD)
EVOLVE (NJ)
International Wrestling Cartel (PA)
Wrestling is Fun! (PA)
Women Superstars Uncensored (NJ)
Beyond Wrestling (RI)
Kaiju Big Battel (MA)
Wrestling is Awesome (VT)
CTWE (CT)
New York Wrestling Connection (NY)
Fighting Spirit Wrestling (NY)
QWEST (FL)
CWF Mid-Atlantic (NC)
Resistance Pro (IL)
School of Roc (IN)
Wrestling is Heart (IN)
Absolute Intense Wrestling (OH)

And today we are proud to reveal the final wave of participating organizations:
Anarchy Championship Wrestling (TX), AAW (IL), Wrestling is Art (MA), Metro Pro Wrestling (KS), St. Louis Anarchy (MO) and Wrestling is Respect (NJ)

More information is available at this link.