LAKE FOREST, Calif.--(BUSINESS WIRE)--Dec 22, 2025-- Del Taco, the nation’s second-largest Mexican quick service restaurant* and a storied fast casual brand for more than 50 years, has officially entered a new chapter. Now part of a growing franchise portfolio owned by Yadav Enterprises, which operates more than 300 franchise restaurants nationwide, Del Taco today announced the formal start of business operations under the Yadav umbrella. Founded in 1964, Del Taco is known for its craveable menu of Mexican-inspired and American favorites.