Definitely check Merb.ca
The top agencies are:
Devilish, Monteal Girls Of Fire, and Luxury
Same owner, but different girls. Girls of Fire and Devilish have top notch service and girls. Large selection.
Angel Escorts
Newest agency. Very competitve and perhaps best prices, great reviews.
XXXTASE
Old favorite. Excellent choice of young women.
Satin Dreams, Montreal Sex City
Women of various age. Good service. Available in the afternoon and early evening.
Woman of Passion
Small staff, not much turnover. Nice selection.
Eleganza
Young open minded college coed type. Very nice selection.
Asservissante
I have had mixed results with this agency.
There are a few other new agencies listed on Merb. Read the website. You will get an idea of who you want to call when you are there.
Check the agency websites and Merb for specials.