Eleven of the 33 companies entrusted with making the Obamacare website work are billing taxpayers more than anticipated in their contracts. Three of the 33 stand to rake  in more than $200 million each, and are among six companies snagging the bulk of the contract dollars.

Taxpayers will shell out $1.7 billion to build and operate HealthCare.gov, the federal government’s online insurance exchange created under the Affordable Care Act, according to projections last month from a watchdog agency overseeing the Department of Health and Human Services.

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The inspector general’s report evaluated the status of work through February, and congressional investigators expect the amount spent could top the initial value of more contracts.