Still, the distinction between employee and independent contractor is an issue that's being argued in courts across the country, with renewed interest because of the increase in the number of companies that employ contractors. Caviar was among the online food delivery services that were being challenged in court or through arbitration in San Francisco in 2015 for classifying its workers as independent contractors. Most recently, the Supreme Court of California issued a decision that will make it harder for companies to treat their employees as contractors.