Err... What do you mean? Do you want to buy Tex-Link Communications, Inc. or Texlink Engineering Co., Ltd? Or are you referring to text backlinks? Or text signature links?
I think he is referring to contextual backlinks. Be clear in what you need exactly OP, then only it will be easy for the members to guide you the proper way. If its a legit and proper question, you will definitely get clear cut responses from our members here.