Bike trailer/stroller links:
InStep (makes Schwinn Trailers)
Chariot Carriers (makes Trek Trailers)
Wike
Burley
Baby Jogger/Trailer
Dreamer Design
No links available (actually tired right now to look them up..lol..can do a search to learn more about the product):
BebeLove European Pull Behind Bike Trailer
Croozer Designs Bike Trailers
Discontinued or not longer in business (used trailers may be available):
Yakima and Tanjor