The Depruu Grub Emporium was a business in the Ferengi Alliance, recognized for breeding the finest tube grubs in the Alpha Quadrant. Quark ordered tube grubs from Depruu Grub Emporium for a meeting hosted by Chek at Quark's in late 2376. (DS9 - Worlds of Star Trek: Deep Space Nine novel: Ferenginar: Satisfaction is Not Guaranteed)