Nine out of 10 large companies are working to avoid Obamacare’s so-called Cadillac Tax on health insurance plans if lawmakers fail to reform the law, according to a new study.

The American Health Policy Institute, a non-partisan think tank, found that nearly every major employer in the country is taking steps to avoid the tax, which targets comprehensive health plans deemed to be luxurious by regulators. The law will hike taxes by $68 billion for American workers.