Does Anyone Know How Can Get In Touch With Hubtraffic

I have payment issues with hubtraffic that has not been resolved since late last year.Whenever I send them a mail I always get a response from the same person that goes buy the name Laura who doesn't seem to understand English.I sent a mail since last year December and after waiting for almost a week for a response I got a response that is totally unrelated to my mail some days ago.I sent another mail and I haven't gotten any response up till now.I am supposed to be paid since last December.I have searched everywhere for hubtraffic support just to get someone to attend to me.They are not on any social network.I need someone out there to help me with any other hubtraffic support contact apart from their email.