(CNN Business)Another popular startup has joined the IPO race: Food delivery startup Postmates has filed initial paperwork to go public.The company confirmed its plans in an announcement on its website.San Francisco-based Postmates launched in 2011 by co-founders Sam Street, Sean Plaice and Bastian Lehmann, who is also the company’s CEO.The company is considered a pioneer in the on-demand delivery industry and currently services 2,940 cities across the US and Mexico. Although customers can still have random items delivered from stores, from phone chargers to cupcakes, it’s become a go-to network for restaurant delivery. It also handles other deliveries for partners such as Apple and Walgreens.