Banning them won't harm them, but will help Texas energy businesses. BlackRock, BNP Paribas, and Credit Suisse are among the list of firms that Texas has just issued that will now be banned from working with the state due to their hostility to the energy industry. After almost a year of suspense that cost banks business as Texas municipal-bond issuers avoided firms whose status was unclear amid the probe, Bloomberg reports that Glenn Hegar, the Republican state comptroller, on Wednesday named the firms he will prohibit from entering into most contracts with the state and its local entities after his office found they “boycott” the fossil fuel sector.