Welcome to the forum. Although you can post in any forum, the USA forum is here in case of local regs or laws
probably on the dole queue.
Reply to the thread, titled "Anyone here done their workshops/assessments at OLCI Manchester???" which is posted in Gaining Plumbing Experience on Plumbers Forums.
We recommend City Plumbing Supplies, BES, and Plumbing Superstore for all plumbing supplies.