FWIW, PCBShopper[1] is a convenient web service for querying several popular PCB fab houses based on your design requirements. iTead Studio[2] has been my go-to

FWIW, PCBShopper[1] is a convenient web service for querying several popular PCB fab houses based on your design requirements. iTead Studio[2] has been my go-to fab house for personal 2/4-layer and simple flex designs, mostly because they haven't fail me in 5+ years. [1] https://pcbshopper.com/ https://pcbshopper.com/ [2] https://www.itead.cc/open-pcb/pcb-prototyping.html https://www.itead.cc/open-pcb/pcb-prototyping.html