A lot of the firms on this list won't accept any proprietary traders, such as: DRW, Donnie Wilson, good futures and options MM, Wolverine (option MM firm), Citadel Derivatives (obviously), Medallion, Moore, are hedge funds, Quiet Light is focused on cross-market products, index MM, Ronin is primarily by ex-Stafford guys, primary option MM, A few firms that would accept good futures prop traders, that I know of: Velocity Futures, Refco Trading Services, formerly MacFutures Schneider Trading (them and Mac are considered top of class) Gator Trading, EuroDollar focused Geneva Trading, good firm There maybe 4-5 that I missed, I know little about Marquette, but Jim Heinz has a great reputation. But since you are looking for Futures prop firms ... These are all futures oriented, and all of them have offices at least in Chicago. Check out their web sites.