Henderson is best known for his band, Big Time Rush, and his role in the Nickelodeon TV series that inspired it.
Horan was named Second Team All-Inter Ac his senior year.
Kimber had stops at Georgia, Florida, and Louisville in his college career.
The Pennsylvania-based company plans to make use of its "elite line-up of media, technology, and marketing solutions" to increase Penn State Athletics' commercial growth.
Harris comes from Georgia with three years of eligibility remaining.
On Wednesday night, UPUA passed a bill that will replace the UPUA banners on campus and downtown.