Unscrupulous contractors come in many forms, shapes and sizes. Here are just some of the types of violations and illegal acts they commit. They evade workers comp, unemployment insurance, and basic payroll taxes by knowingly misclassifying workers as “independent contractors,” paying in cash off the books, and running other scams. They cost taxpayers billions, hurt honest businesses, exploit workers, fail to adhere to industry safety standards, fail to pay prevailing wages set forth by law,