Small businesses can compare off-exchange small-group plans through a broker or...

https://oscar-wiki.win/index.php/What_Does_Employer_Contribution_Mean_in_a_Group_Health_Plan%3F

Small businesses can compare off-exchange small-group plans through a broker or directly with insurers; some may also consider an HRA or association plan. Before comparing premiums, check that employees’ doctors and hospitals are in each plan’s network.