The May 7 vote, which failed 98-44, was the first relating to student scholarships in more than 20 years.
Profits from the hotel went to support student scholarships and financial aid.
The event has been raising money for student scholarships since it began in 1958.
The companies would not have to disclose the value of free drug samples or medical student scholarships.
The event will raise money for student scholarships at the law school.
Whatever is left over, they said, goes to student scholarships and other charitable purposes.
The event will raise money for student scholarships to the company's school.
The evening will raise money for student scholarships and to buy instruments.
The money raised, about $2,000, will help finance student scholarships, he said.
Proceeds help individual students earn income, and part goes toward student scholarships.