This doesnt appear to be a question about criminal law. You may want to contact the contact person for the company that sent you out to the particular job, as well as someone from the company from which you are seeking your paycheck. If you dont get a satisfactory answer from either, then contact an attorney in your area experienced in civil law.
Minnesota wage laws, including statute section 181, requires an employer to pay you your earned wages, and provides specific deadlines, depending on the situation. From your description, it sounds like your employer has missed those deadlines. If you have not already, you should send a written demand for payment. If that receives no response, you should consult a Minnesota attorney.
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