I think most of those people are listed on the NFFS website. Some I’ve used include: Bob Mattes is great for engine rework and Allen Heinrich (Aerodyne) is excellent if you are trying to track down an obscure plan — if you don’t see it on his list, send him an e-mail. Texas Timers makes the best timers for power models! E-bay has also become a major source. I get most of my engines on e-bay and just yesterday I ordered some carbon fibre strip from a fellow in Croatia. I still support my local hobby shops where I can and am fortunate to have two in the area with a good stock of balsa, but the days of buying a good free flight engine or timer at a hobby shop are gone, it seems.