A-Rated Raul Labrador.
A-Rated Pete Sessions who beat Trump Spox Katrina Pierson in primary
http://www.westernjournalism.com/gop-rep-pete-sessions-flips-amnesty-not-one-person-deported/
A-Rated Congressman Goodlatte & Cantor Ally
A-Rated Marsha Blackburn:
http://www.mofopolitics.com/2013/11/04/la-raza-spokesbimbo-marsha-blackburn-supports-amnesty/
http://www.breitbart.com/big-government/2014/06/16/mccarthy-labrador-about-equal-on-supporting-amnesty/
As your link says, he got a C+ at the time (since then he's felt the heat and voted right). No indictment of NumbersUSA there.