U.S. Rep. Lamar Smith (R-San Antonio), current chairman of the U.S. House Science, Space and Technology Committee, will not seek re-election. Smith was first elected in 1986 to the 21st Congressional District.
U.S. Rep. Jeb Hensarling (R-Dallas), current chairman of the House Finance Services Committee, has also announced he will not seek re-election. Hensarling was first elected in 2002 to the 5th Congressional District.
U.S. Rep. Sam Johnson (R- Plano) will not seek re-election. Johnson was first elected in 1991 to the 3rd Congressional District.
In the House there are 8 members who have announced they will not be seeking re-election for their current seat:
Mark Keough, Larry Gonzales, Jody Laubenberg, Pat Fallon, Cindy Burkett, Larry Phillips, Joe Straus and Byron Cook.