Directions
Located in downtown Houston, Texas, SDi serves both local and national clients.
Houston (Corporate Headquarters)
5821 Southwest Freeway, Suite 602
Houston, Texas 77057
phone: 713-523-9911
fax: 713-523-4746

From I-45 or US-59 South
  1. Take exit 46B (on the left from I-45 North from Galveston, on the right from I-45 South from Dallas) for TX-288 S/US-59 S toward Victoria/Lake Jackson/Freeport
  2. Merge onto TX-288 S and move to the right lanes
  3. Take the exit onto US-59 S toward Victoria
  4. Take the exit onto Fountainview Dr.
  5. Merge on to Southwest Freeway
  6. Turn left at next light (to U-turn under SW Fwy)
  7. Turn onto SW Fwy (Eastbound). SDi's offices are in the tall glass building to your right.
From US-59 North
  1. Take the exit onto Hillcroft Ave/Westpark Dr.
  2. Merge on to SouthWest Freeway. SDi's offices are in the tall glass building to your right.