Nathan's Famous, Inc., together with its subsidiaries, operates in the foodservice industry. The company owns and franchises restaurants under the Nathan's Famous brand name, as well as sells products bearing the Nathan's Famous trademarks through various channels of distribution.

FAT Brands Inc., a multi-brand franchising company, acquires, develops, and manages quick service, fast casual, casual dining, and polished casual dining restaurant concepts worldwide.

El Pollo Loco Holdings, Inc., through its subsidiary, El Pollo Loco, Inc., develops, franchises, licenses, and operates quick-service restaurants under the El Pollo Loco name.

Ark Restaurants Corp., through its subsidiaries, owns and operates restaurants and bars in the United States. As of December 20, 2021, it owned and operated 17 restaurants and bars, including four restaurants located in New York City; one in Washington, D.C.; five in Las Vegas, Nevada; one in Atlantic City, New Jersey; four on the east coast of Florida; and two on the gulf coast of Alabama, as well as had 17 fast food concepts and catering operations.

Biglari Holdings Inc., through its subsidiaries, primarily operates and franchises restaurants in the United States. It owns, operates, and franchises restaurants under the Steak n Shake and Western Sizzlin names.