Huddersfield defenders David Mirfin, Andy Holdsworth and John McCombe have all agreed extensions to their deals.
Mirfin, 20, and Holdsworth, 21, will stay at the Galpharm Stadium until June 2007, while 19-year-old McCombe is tied to the club for 12 more months.
"It¿s excellent news because all three of them know how ambitious we are at this club and they want to be part of our success," boss Peter Jackson said.
"Andy and David have done extremely well. John's another promising player."