Majority of workers back petition seeking to free themselves of Teamsters union officials FRESNO, CA – Drivers of building materials company CalPortland’s Fresno Ready Mix Plant have filed a petition with the National Labor Relations Board (NLRB) requesting that the NLRB hold a “decertification” election to remove Teamsters Local 431 from their workplace. The drivers’ efforts are spearheaded by Darrell Dunlap Sr., who filed the petition with free legal aid from National Right to Wor...| National Right to Work Legal Defense Foundation