The entrepreneurs of the young U.S. marijuana industry are taking another step into the mainstream, becoming political donors who use some of their profits to support cannabis-friendly candidates and ballot questions that could bring legal pot to more states.

The political activity includes swanky fundraisers at Four Seasons hotels and art auctions at law firms. And members of Congress who once politely returned the industry’s contribution checks are now keeping them.

“We’re developing an industry here from the ground up. If we don’t contribute politically and get out there with the candidates, we can’t help shape what happens,” said Patrick McManamon, head of Cleveland-based Cannasure Insurance Services, which offers insurance to marijuana growers and dispensaries.

Read more: Marijuana industry takes another step into the mainstream by making political donations | Associated Press