ppl public partnerships has not paid me!!! Internet

ppl public partnerships sucks i was working for ucp was transfered not by choice to this stupid company now my bills are way behind. my bank account has been over drawn because i have not been paid. i started dec. 22nd 2012 with ppl its been a month and no pay. i work 40 hours a week for the little bit of payi do get  and i need to pay my bills. my sons b-day is coming up and i have no money to do anything for him. how do you tell a 4yr old you dont have money because your job doesnt want to pay you. i call every day a couple times a day leave messages no call back this company sucks. im hoping somthing is done about this .also i faxed all my time sheets multiple times plus my direct deposit form multiple times and they claim they lost all of it. thats not right that all my information is just out there for anybody to see or use. i need help someone must be able to do somthing about this problem. they need a lawsuit on them this is not right HELP!!!