The most often submitted publishers to CGC, as of the January 17, 2017 CGC Census. To date, at least one submission has been made for 2,476 different publishers.
58% of all submissions are Marvel comic books, and 20% are D.C. Comics. Marvel can also claim another 0.4% each for Timely and Atlas titles, while D.C. also adds 0.6% for Vertigo titles.
Image Comics has also published as Skybound and Top Cow, to total more than 6% of CGC submissions. Only two other publishers total at least 1% of CGC submissions, Dell Publishing and Valiant Comics.