The Women In Business of the Baltimore Washington Corridor Chamber are hosting a breakfast and holiday celebration Friday, Dec. 9 from 9:15 to 11:30 a.m. at the Homewood Suites by Hilton, 8320 Benson Drive, in Columbia. Cost is $25 for prepaid members; $45 for not prepaid members and non-members. To register, go to http://www.baltwashchamber.org/BWCC_Data/getEventDetails?eventID=900.