Hubbell-Raco 506 Switch Box in 3 x 2-Inch Gangable 2-1/2-Inch. Deep, Eight 1/2-Inch. Knockouts, Old Work, Plaster Ears, Gray Finish - Electrical Boxes - Amazon.com
Raco 7 in. Rectangle Steel 1 gang Switch Box Gray - Electrical Switches - Amazon.com
RACO 2" Galvanized Steel Electrical Switch/Outlet Box at Menards®
RACO 3 in. H x 2 in. W x 2-1/2 in. D Gangable Switch Box with One 1/2 in. KO, NMSC Clamps, Plaster Ears, Old Work, 1-Pack 512 - The Home Depot
Raco Hubbell 3 in. x 2 in. Switch Box, Gangable, 2-1/4 in. Deep, One 1/2 in. KO & NMSC Clamps, Plaster Ears, Gray, (471): Electrical Boxes: Amazon.com: Tools & Home Improvement