Aoki runs Dim Mak Records. The label has recently released music by other electro house artists such as MSTRKRFT, The Bloody Beetroots, Klaxons, Scanners, Whitey, Mystery Jets and Mustard Pimp. Aoki is also a club promoter and DJ.

He has also teamed up with Blake Miller of the LA -based band Moving Units to produce remixes. The duo of Miller and Aoki work under the moniker Weird Science. As of 2008. Aoki has started producing on his own and started with a Duran Duran remix for their second single in the UK.

He has remixed many artists and bands, including Drake, Lenny Kravitz, Bloc Party, Snoop Dogg, Robin Thicke, S.P.A., Duran Duran, Timbaland, Kid Cudi, Chester French and Peaches.

The Dim Mak Collection clothing line was launched in 2006.[6] A new fashion range designed by Steve and his sister Devon Aoki is coming out in 2009. They've partnered with the founders/owners of Ksubi, George Garrow and Dan Single to release this range together. "We've been putting it together for two years, from the very early stages." Aoki told.[7] Also with Dan Single and George Garrow, Ksubi will be partnering up and creating a Dim Mak sunglass line that will drop in 2009 as well.

Aoki and friend Greger, the owner of WeSC, came up with the idea together to do the "Aoki headphones." They used different shades of green, because that was Aoki's favorite color at the time [8]. Each season Aoki plans to design new headphones for WeSC.

Aoki also is endorsed by KR3W Apparel and Supra Footwear, where he develops and designs an entire range of clothing and shoes for both companies under his name.

Aoki is a co-owner in a Korean BBQ restaurant Shin alongside Danny Masterson, Julian Casablancas from The Strokes, Mark Ronson, Laura Prepon, Jerry Butler, among others. He also co-owned a management company called Deckstar with DJ AM along with their managers and Paul Rosenberg. Underneath the Deckstar Management division, Dim Mak management has been formed to manage some of the label's artists and other DJs.

He was featured in the video games NBA 2K8 and NBA 2K9 as a special celebrity player, even though he admits to being horrible at basketball.

He makes a cameo in the video for Cobra Starship's single Send My Love to the Dancefloor, I'll See You in Hell (Hey Mister DJ).

Aoki's debut album, "Pillowface and His Airplane Chronicles" was released in January 2008 [9]. He also had an Essential Mix that aired on BBC Radio 1 on August 2, 2008.10

He has recently remixed the track 'When The Wind Blows' that features on the UK edition of the The All-American Rejects latest album When The World Comes Down.

On November 10, 2009 he released a remix for Drake's song "Forever". The song features Drake, Kanye West, Lil Wanye, and Eminem. The track made it to the top of Hype Machine's chart in December 2009.[10]

In November 2009 created his own magazine titled "Aoki" through a celebrity magazine publishing company called MYMAG[11]

Steve Aoki is also in a Hardcore Punk band called Rifoki with Sir Bob Cornelius Rifo

In March 2010 Aoki released "I'm In The House", a collaboration with Zuper Blahq - alter-ego of Black Eyed Peas singer will.i.am. The song charted at #29 in the UK Singles Chart in its first week of release.