Grindhouse Releasing is a Hollywood-based independent cult film distribution company led by film editor Bob Murawski and co-founded by Sage Stallone. Grindhouse digitally remasters, restores, and produces bonus materials and video documentaries for cult film DVDs and Blu-rays which it distributes on the CAV label.
Grindhouse Releasing's co-founder Sage Stallone is related to Sylvester Stallone.
I made a claim that falls outside the scope of the text. I'm not sure if they're related or not, but the text does not clarify.