1) Business entities 2) Businesses 3) Conglomerate parts 4) Enterprises 5) Features of Forbes articles 6) Groups that mean business 7) Law corporations 8) Lawyers'' employers 9) Outfits for attorneys Found on https://www.crosswordclues.com/clue/firms
Firms noun plural [ From Firm , adjective ] (Architecture) The principal rafters of a roof, especially a pair of rafters taken together. [ Obsolete] Found on http://www.encyclo.co.uk/webster/F/33