Two's Company
Homer Simpson and Peter Griffin both have their favorite beers. Name both (fictional) breweries.
Duff's and Pawtucket Patriot
In Community, Britta's on and off boyfriend Rick works first as a corpo-humanoid representing a sandwich company, then works as an advertiser for a car company. Name both (real) companies.
Subway and Honda
The video games Half Life and Portal feature two science corporations who are in-universe rivals. Name both (fictional) companies.
Black Mesa and Aperture Science
In Hiroshi Murakami's Kafka on the Shore, the villain first appears as a kitten murderer dressed as the mascot of a whiskey company, then later as a pimp dressed as the mascot of a fried chicken restaurant. Name both (real) companies or the mascots.
KFC (Colonel Sanders) and Johnnie Walker
In Bojack Horseman, Todd first works as VP for Mr. PeanutButter's company, then works as head of advertising for a website used for timekeeping. Name both (fictional) companies.
PB Livin' and WhatTimeIsItRightNow.com