Have used both companies feederfactory.ca and canadianfeeders.com.
If i am just purchasing cricket i use feederfactory as it is a little cheaper. Canadian feeders is good for their selection; however, they can be a little pricey. Shipping through feedefactory orders can be taken up (and paid for) until wednesday by i think 6pm? for same week delivery. Canadian feeder orders must be in and paid for Saturday at 6pm for delivery during the following week.
HTH
Michelle