Things change more than they stay the same in Los Angeles. Nevertheless, there are the companies and business operations –such as the Walt Disney Co., which is still a Burbank mainstay, or Ralph’s, which now belongs to a national chain but remains operationally in Compton – that can refer to themselves as centenarians. Some have undergone transformations of their own since they first incorporated. Others look essentially the same. Among them are, of course, the many classic L.A. restaurants, but there are also tailors, utility operators and social clubs.

• Contractor C.W. Driver is responsible for some of the region’s most iconic buildings.
• The Scottish-themed Tam O’Shanter is popular with Hollywood figures and productions.
• Fabric supplier B. Black & Sons functions largely like it did when it opened in 1922.
• Wherever it has been, Galco’s Soda Pop Stop has been a mosaic of drink and snack.
• Mexican eatery El Cholo thrives on the memories of its proprietors and patrons.
• The Los Angeles Athletic Club has been a beacon for the city’s elite since 1880.
• In one form or another, Edison International has provided electricity for nearly 130 years.