300 kg of personal goods from Houston, Tx to Kuwait

Hi,, I just accepted a job where my employer allows me to ship 300 kg of unaccompanied air cargo (door-to-door) from my address in Katy, TX to Kuwait. I would like to receive quotes and recommendations of what is and is not allowed to ship. It will take place in about two months. Company does not pay for Custome duties; please let me know if you help with it and what your fee is.. Thanks.. Escolastico Galvis