Among those "companies" getting waivers were lots of unions.
The SEIU cut off benefits to thousands of children because of rising cost imposed by Obamacare. They denied Obamacare was at fault, but facts are facts. They cut the benefits until they received a waiver.
http://blogs.wsj.com/metropolis/2010/11/20/union-drops-health-coverage-for-workers-children/