The New York-based company announced on Tuesday that Bank Of America, J.P. Morgan and SunTrust have joined its increased $125m corporate credit facility.
A24 will use the capital from the Comerica Bank-led facility to build its distribution business and as to expand its film development / production and television operations.
Comerica and Union originally provided A24 with a $50m line of credit in 2014.
A24 distributed Room, which has grossed $12.6m in North America and is in the running for the best feature, lead actress, directing and adapted screenplay Oscars on Sunday.
The distributor also opened Sundance 2015 hit The Witch last weekend on $8.8m.