Good service is becoming increasingly rare these days,
Here are a few resources I can personally recommend:
OnLine Metals has a great selection of raw materials.
High-resolution trigger wheels for the DSM CAS are available from YashiFab
I love the sound of my Mellow Tone hot rod mufflers.
My braided hoses and fittings are from Summit Racing.
The 'Solo Spring' seats are Le Pera in 'Bomber Brown' leather.
Replacement auto parts come from RockAuto.
The Retrofit Source provided my bi-xenon headlight parts.
Tips on how to install Stainless Braided Hose Ends.
Here's a Powder Coating Tutorial to help you get started.