Emerging concept 7 Brew was the fastest-growing chain, increasing its unit count over 373% last year, according to a Datassential report.

The new appointments come weeks after the chain named Carl Loredo, previously global chief marketing officer for Wendy's, as its new U.S. president.

GPM Investments is adding a famous hot dog brand to more than 450 stores, while Casey’s and 7-Eleven both updated their pizza lineups.

The chain’s bankruptcy is the culmination of months of financial woes, which included significant losses, trouble paying its bills on time and a planned divestment by its minority owner.