I've been working with Mach1 for several years. They've done a number of projects for me, from simple phone mounts to full construction of a custom AV console and wiring of a conversion van. Brent and Mark in Hopkins are great to work with. They're creative, do thorough work, and stand behind everything they do. Anytime I've had an issue, they address it to my satisfaction.
Mark is a master at all things AV. I bring him all my crazy ideas, and he figures out a way to make it happen. The man is a genius.
Highly recommended -- I won't go anywhere else.