The Incredibles - Room number in Syndrome's lair (not seen, mentioned by Mirage). The prison level where Mr. Incredible is held is "Level A1" in Cell #13 (A1 & 13). The power level control room monitors "Level A1" section "13", which is where the rocket is.
Cars franchise - The number on Trev Diesel, the freight train that Lightning McQueen outruns while he is first on his way to Radiator Springs. Trev Diesel was also made as a carrying case for the die-cast line and has A113 on it. It is Mater's license plate number in the related short film, Mater and the Ghostlight, Cars Toons, and other Cars merchandise. The minor character Dexter Hoover's diecast version has license plate number "A113CA". And the beginning of the image file name for the leader of the lemon cars. The number on Siddeley's tail (shown as A113), as well as on Mater's license plate again. On the tail of the plane in the airfield that Mater and McMissle escape on.
Ratatouille - Git, the lab rat, has a tag on his left ear that reads "A113".
WALL-E - The code for the directive given to the Axiom's autopilot to never return to Earth, the first (and currently, only) time A113 had any real significance to a Pixar film's plot. It also seems to spell out part of WALL-E's name, wA11-3 (partial Leet). Also, when Eve and WALL-E arrive on the Axiom, as they leave the docking bay, the doors are marked Deck A-224 - 1 added to each digit of the reference.
Up - The number of the court room that Carl Fredricksen goes to after he hits a worker to protect his mailbox.
Alpha and Omega - On the back of Garn and Debbie's truck, seen when Humphrey is talking to Marcel and Paddy
The Iron Giant - License plate on car partially eaten by the Giant; the 3 is bitten off. Also in Dean's house there is a painting which has A113 on it.
Lilo & Stitch - License plate number on all vehicles, including Cobra Bubbles' rental car, Captain Gantu's spaceship, Nani's car, fire truck, tanker truck, and license plate in Lilo's room (used in Stitch's model of San Francisco). Also in direct-to-video film Leroy & Stitch.
Bugs Bunny's Lunar Tunes- In the scene with the Key Witness, one of the videos the Witness shows is "Satellite View A-113."
^Michael Sragow (1999-08-05). "Iron without irony". Salon Arts & Entertainment. Salon.com. Archived from the original on 1999-08-05. Retrieved 2007-04-27. "A113 was our classroom number. On "Family Dog" I put it on the license plate of the thieves' car. And I put it into every single one of my films ..."