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Aon Center

The Loop, Chicago
21 Tips and reviews
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  • Fluying ✅.
    Fluying ✅March 30
    Another Chicago modernist jewel! Originally it was covered in marble until it started to crack
  • David W.
    David WeathersbyMarch 7, 2017
    Historical building in Chicago.
  • Jonathan F.
    Jonathan FerreraOctober 19, 2016
    Been here 5+ times
    During Open House Chicago, the 71st floor is available for 360 views of the skyline, Grant Park, and Lake Michigan.
  • Stefanie
    StefanieNovember 29, 2014
    Head to the top for a one-of-a-kind view of Chicago.
  • Eric S.
    Eric SkaggsMarch 20, 2014
    Check out the screen at Microsoft. Touch-enabled and beautiful.
  • Rob M.
    Rob MehtaAugust 21, 2012
    80th floor :)
  • Leyla A.
    Leyla ArsanJuly 6, 2012
    Been here 10+ times
    hey, if you are going to smoke in the plaza, how about picking up your cigatette butt!
  • Nick M.
    Nick McIlvaineMay 2, 2012
    Been here 25+ times
    Come get a workout in at the NPTI fitness center on L1
  • Nick M.
    Nick McIlvaineApril 17, 2012
    Been here 25+ times
    Need a good workout? Come down to L1 and check out the National Personal Training Institute we offer training packages or just regular gym memberships
  • The Reverend
    The ReverendMarch 22, 2012
    Friend me people!!
  • Dave S.
    Dave SullivanFebruary 24, 2012
    Been here 100+ times
    Apparently we've moved main reception to 5th floor, which makes sense since the double-decker elevators are more convenient from odd floors.
  • Mario B.
    Mario BaezJanuary 21, 2012
    Can take the pedway all the way to daily plaza when tbe weather is bad
  • Miss T.
    Miss TessNovember 10, 2011
    Been here 100+ times
    Thoughtworks is always looking for passionate, intelligent software people!
  • Dave S.
    Dave SullivanNovember 9, 2011
    Been here 100+ times
    Weekday park special - enter by 7am, 10$!
  • Chenet L.
    Chenet LaRoseOctober 8, 2011
    Weekend Special: $6.00 before 10am
  • Chicago Tribune
    Chicago TribuneSeptember 26, 2011
    1,136 feet tall. 5th-tallest in the United States; formerly known as the Standard Oil Building. Learn more about Aon at
  • Dave S.
    Dave SullivanApril 28, 2011
    Been here 100+ times
    Rather than 80, there are 83 floors at the former Standard Oil Building. The top two are secret and only accessible via secret elevator only.
  • Paula L.
    Paula LowryApril 18, 2011
    Microsoft office is impressive with look and technology
  • Fernando V.
    Fernando VillalpandoNovember 9, 2010
    Been here 100+ times
    this is the 3rd tallest building in Chicago
  • Dan
    DanMarch 1, 2010
    Been here 100+ times
    Come visit Zeno Group on the 52nd floor
  • Brian G.
    Brian GorbettSeptember 15, 2009
    Been here 5+ times
    check out Microsoft on the 2nd floor
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