The NRA-PVF has released its grades and endorsements of candidates running for federal and state positions throughout the US.
For Texas, the NRA has endorsed:
President - Donald Trump
US Senate - no race
US House - Louie Gohmert; Ted Poe; Sam Johnson; John Ratcliffe; Jeb Hensarling; Joe Barton; John Culberson; Kevin Brady; Michael McCaul; Mike Conaway; Kay Granger; Mac Thornberry; Randy Weber; Bill Flores; Jodey Arrington; Lamar Smith; Pete Olson; Will Hurd; Kenny Marchant; Roger Williams; Michael Burgess; Blake Farenthold; Henry Cuellar; John Carter; Pete Sessions; Brian Babin
A complete list of candidates and grades can be found here:
https://www.nrapvf.org/grades/texas