Small businesses can shop off-exchange through a broker, buy a small-group plan...

https://atomic-wiki.win/index.php/How_Do_I_Compare_Hospital_Coverage_in_Two_Different_Networks%3F

Small businesses can shop off-exchange through a broker, buy a small-group plan directly from a carrier, or compare HRA options. Before weighing premiums, check that your doctors and nearby hospitals are in the plan’s network.