City Information

City Information

Join us in Rosemont!

ACI is excited to bring the ACI Concrete Convention to Rosemont, this spring. Plan your trip to Rosemont by visiting Meet Rosemont/Chicago to learn more about the city.

Climate & Time Zone

The average daily high for Rosemont, IL in March is 45°F and the average low is 34°F. Visit www.weather.com for the latest weather forecast.

Rosemont, IL is in the Central Daylight Time Zone. All convention events are listed in Central Daylight Time. Be sure to create your schedule and appointments accordingly.

Dining

For more information on local dining options, please click here.

Childcare

Need childcare services? Babysitting options can be found at Care.com. Please note, this listing is for information only and is not an endorsement from ACI.

Things to do

For things to see and do while in Rosemont go to Attractions.

Transportation

The Chicago O'Hare International Airport (ORD) is located approximately 1.5 miles from The Hyatt Regency O'Hare Chicago Hotel. For more information on the Chicago O'Hare International Airport (ORD), visit https://bwiairport.com/.

Rental Cars

Hertz is the official car rental agency for the ACI Concrete Convention. Receive discounts on upgrades, weekly rentals, and weekend rentals. To make advance reservations, call +1.800.654.3131 or visit www.hertz.com. Provide Group Code CDP# 0077289 when making your reservation. For a list of all rental car agencies available at ORD, visit https://www.flychicago.com/ohare/tofrom/rentalcar/pages/default.aspx.

Taxi

Taxi cab service is available at the Chicago O'Hare International Airport. For more information visit https://www.flychicago.com/ohare/tofrom/taxi/pages/default.aspx

Shuttle Service

A shuttle service is provided by the Hyatt Regency O'Hare Chicago Hotel to the Chicago O'Hare International Airport. View instructions to utilize the complimentary airport shuttle service here

Ride Share Services

Ride share services such as Uber and Lyft are available at the Chicago O'Hare International Airport. For more information on Ride Share Services, visit https://www.flychicago.com/ohare/tofrom/taxi/pages/default.aspx.

Parking

Hyatt Regency O'Hare Chicago: Daily parking is $55 USD and valet parking is not available.

Visas

ACI is unable to offer any financial assistance to attendees from outside the country traveling to the convention, but will provide a letter of invitation upon request. ACI strongly encourages attendees to request a visa letter 6 months prior to the convention. ACI staff does not communicate directly with consulates or embassies on your behalf. Please contact ACI Event Services at conventions@concrete.org to request a letter. Please include your complete contact information (name, address, phone number, and e-mail address) in your request. To determine if a visa is required for your trip, go to Travel.State.Gov.

Convention News

Spring 2026 Convention Registration opening soon.

Sponsor Prospectus
Download the 2026 Spring Sponsor Prospectus. [PDF]

Need Employer Support?
Download your customizable letter and prove to your employer the benefits of attending the ACI Concrete Convention. [PDF]

VIEW ALL CONVENTION NEWS »

SUPPORT THE CONVENTION

Place your company at the forefront of the convention, gaining exposure to over 1500 industry professionals when you sponsor or exhibit at an ACI Convention.

Learn More Now »

Stay Connected

 X, formerly twitter

 Facebook

 LinkedIn

 Instagram

Upper Level Sponsors

ACI-NCalifornia-WNevada
ALLPLAN
Baker Construction
Chryso
ConSeal Concrete Sealants, Inc.
Controls, Inc.
Converge
Euclid Chemical
FullForce Solutions
ICRI
Master Builders Solutions
OPCMIA
PS=0
Sika Corporation