Using Koni's website for revalving info, here's what I found:
KONI Distributor Search -
Longhorn Alignment
Phone: 214-637-0565 4739 Lucky Lane
Dallas, TX 75247
JOTEK MOTORSPORTS
Phone: (972)278-9744 2518 W KINGSLEY RD STE 102
GARLAND, TX 75041
USA MOTORSPORTS
Phone: 817 460 0060 2340 PIONEER PARKWAY
ARLINGTON, TX 76013
CONCEPT RACING PERFORMANCE
Phone: 972-276-5277 1313 S SHILOH ROAD
SUITE 104
GARLAND, TX 75042
ALAMO AUTOSPORTS
Phone: 817 860 4300 1218 COLORADO LANE SUITE C3
ARLINGTON, TX 76015