The number of companies operating oliebollen stalls in the Netherlands has grown considerably in recent years. There were 307 registered companies with oliebollen stalls in 2013, while there are now 425. Chairman Atze Lubach-Koers of the Nationale Bond van Kermisbedrijfhouders, who represent most of the oliebollen stall owners, has also noticed the increase in stalls. "As a fairground sector, we …