Compiling a list for us TX folks of any speedshops and tuners. Feel free to post in here a company you prefer and I'll add it.
Austin
American Racing Technology (ART)
Boostlogic - forced induction specialists on supras and rx7's, ls1/6's
Reckhart Performance (Cedar Park)
D/FW
21st Century Muscle Cars - LSx (Carrolton)
Fastech
LG Motorsports - LSx/LTx - (Wylie)
Quality Motorsports - (Lewisville)
ADM Performance - (Lewisville)
Simple Quick Racing - (Benbrook)
Speedworks
Speedtek - LSx/LTx/Ford 5.4/5.0/4.6 (Haltom City)
SNL Performance - LSx (Ft. Worth)
Speedtech - (Cresson)
Dallas Performance - (Garland)
Houston
Auto Check #5 - The GRRRR8 G8 mod shop - (Missouri City)
Fastlanes and Turbochargers.com
G-Force - LSx/LTx/Ford 5.4/5.0/4.6 - (Pearland)
Icon Autosports - LSx/LTx/Ford 5.4/5.0/4.6
LME - (Engine Shop only) LSx/LTx/Dodge V10, and Ford 5.4/5.0/4.6
Speed Demon - LSx/LTx
HK Enterprises - Engine Builders
Late Model Racecraft
Strictly Performance
510 Engineering
West Texas
Texas Speed - LSx - (Lubbock)
Scoggin Dickey - LSx speed parts/engines (Lubbock)
Boost Performance - LSx/LTx/Dodge/Ford 5.4/5.0/4.6 - (Amarillo)
Dream Chaser Racing - LSx/LTx/Ford 5.4/5.0/4.6 - (Amarillo)
Amarillo Auto Supply - LSx/LTx/SBC/Ford speed parts & nitrous (Amarillo)
San Antonio
Precision Turbo Kits (PTK) - forced induction specialists
Nelson Performance
Henderson Performance Technologies (New Braunfels)
East Texas
Nitro Dave's - Nitrous
East Texas Muscle Cars
Victoria
Decker Guerra Motorsports- LSx/Hemi