AC Restaurants en Hotels is a horeca chain that was founded in 1963 in the Netherlands, today there are 40 chains of the company including 12 hotels (in the Netherlands mainly part of Tulip Inn), the letter combination AC means official Alberts Corner.
AC Restaurants Wikipedia
In 1963 AC Restaurants was started as a part of the retailer corporation Albert Heijn (later Ahold). Since 1998 AC Restaurants & Hotels was bought by the Italian corporation Autogrill. Autogrill is controlled by Schematrentaquattro S.R.L. a company of the Benetton family, including through Sintonia SA is the main shareholder of the Italian motorway Autostrade SpA.