Here is a trampoline designed with advanced users in mind. The Acon Trampoline Air 16 Sport measures 10 x 17ft and has a safety net built-in. It has galvanized steel pipes inside and out and 140 heavy duty 10 inch springs. It ships with ground anchors and a spring puller tool.
This trampoline can handle any single user regardless of their weight. You can find out more about it here.