Only allow American firms to use H1-B. Most of the H1-B abuse is from the Indian 'WITCH' companies. Why foreign firms are allowed to hire foreign workers in the US is beyond me. For training / administration, there should be another visa type which does not confer family benefits and cannot progress to greencard or whatever.

BUT... at the end of the day, the solution must be passed by congress. Have we all forgotten about Congress since they stopped doing anything?

All of them have US subsidiaries and Cognizant is an US listed company.