GrubHub, an online portal for food delivery service from approximately 28,800 restaurants in the US, filed on Friday with the SEC to raise up to $100 million in an initial public offering. The Chicago, IL-based company, which was founded in 1999 and booked $137 million in sales for the fiscal year ended December 31, 2013, plans to list on the NYSE under the symbol GRUB. GrubHub initially filed confidentially on December 23, 2013. Citi and Morgan Stanley are the joint bookrunners on the deal. No pricing terms were disclosed.