In a joint statement, the media companies said it is imperative that "journalists are not barred for arbitrary reasons."
According to several reports, the coffee giant's CEO Kevin Johnson announced the decision in a memo Tuesday.
Volkswagen's CEO says the company has sourced the batteries and booked production for 50 million electric cars.
Cities across the country have been angling to be chosen since Amazon first announced plans to build the second headquarters more than a year ago.
Comcast acquired NBC Universal in 2011, and some terms of that deal recently expired.