RALEIGH Carolina Hurricanes owner Peter Karmanos Jr. continues to add investment partners.

The team announced Thursday that four new partners have joined in the ownership of the team: Epic Games vice president and co-founder Mark Rein and his wife Tara; PITT OHIO president and owner Chuck Hammel; and two investors who have chosen to keep their partnerships private.

“The continuing growth of our ownership group strengthens the Carolina Hurricanes’ position on the Triangle landscape and will help the team be competitive on the ice,” Karmanos said in a statement.

Epic Games, established in 1991, is a video game development company based in Cary and known for the creation of the Unreal Engine technology, which powered the Unreal series of first-person shooters, the Infinity Blade series for mobile platforms and the Gears of War series for Xbox 360.

PITT OHIO is a regional transportation company headquartered in Pittsburgh, Pa., that operates in 10 states.