It was no accident that the three major urban transit companies in Quebec, namely the Socit de transport de la Communaut urbaine de Montral, Socit de transport de Laval and Socit de transport de la rive sud de Montral, as well as most if not all their unions and employees are asking that we support a progressive and innovative policy.
There are exactly 4 transportation companies in Quebec.
This is neither definitively correct or incorrect based on the context as it states there are 3 major companies, which is not exhaustive of any minor/lesser companies that may exist in Quebec.
( z1 company :ARG0-of ( z2 transport ) :location ( z3 province :name ( z4 name :op "Quebec" ) ) :quant ( z5 exact :op 4 ) )