I have investigated they are from Lahore ,Pakistan....

andrew is one of the scammer

I RECIEVED A MESSAGE FROM THIS PHONE NUMBER STATING THAT I AM BEING SUED FROM AN ATTORNEY OUT OF CALAFORNIA...

any had any dealings with these people?

I believe that that this is a scam. I was called several years ago with a very similar message and either the same or a similar number. They said that I owed them money and that I would be arrested and/or my employer called if I did not pay. They could provide no details about who was allegedly owed, but did have my SSN. I reported this to the police.