One is this business writing major within the Interdisciplinary Studies program at Baruch College, a part of the CUNY education system.
This writing major would be ideal for those looking to practice the craft within a corporate environment.
Michigan State University, offers a BA in Professional Writing within their Department of Writing and Rhetoric.
Students choose from three different specializations: digital/technical writing (this would be perfect for the aspiring freelance writer), writing for non-profits, or editing and publishing. For example, Miami University and Purdue tout similar programs.
This is a writing major that is readily available nationwide, including the BA at Columbia or one at Emory. This major seems to be the default when more specialized programs aren't available.
A major in English forces you to write, and then rewrite.
There is a stand-alone major in publishing offered at many universities, however, these majors seem to be for those interested in working for publishers, and are not aimed specifically at writers.
However, most publishing majors do seem to have a fair amount of editing instruction, so they could prove helpful in launching a freelance writing or freelance editing career.
Earning a BA in creative writing will give you the two things you need most as a writer: practice and feedback.
Although creative writing may be the domain of aspiring authors, freelance writers can also make a living by writing creatively.