[lemma=largest] [lemma=firm] [tag=IN] [□=□]
[lemma=largest] [lemma=firm] [tag=IN] [tag=□]
[lemma=largest] [lemma=firm] [tag=IN] [lemma=□]
The Business Services Association ( BSA ) , which represents 20 of the largest firms in the contracting industry , has accepted the need for action to tackle the two-tier workforce .