City contract vendors / Who gets the city's money
Aecom Hunt / Clayco, A Joint Venture — City of Chicago contracts
Every contract the City of Chicago has on file with this vendor: what was awarded, which departments issued it, and how the awards were procured. Figures are computed live from the city's official contracts dataset.
Recorded in city contract data as AECOM HUNT / CLAYCO, A JOINT VENTURE.
$2,311,221,436
Total awarded
Net of revisions and de-obligations
10
Contracts on file
Earliest approved May 29, 2019
$1,720,000,000
Largest single award
Jun 30, 2026
Most recent approval
A note on the totals: the city files revisions and de-obligations as their own records with negative award amounts, so the total above is the net of awards and adjustments. An awarded amount is also not money paid — it is the ceiling the city agreed to, and actual spending can come in lower.
Departments, by total awarded
- Chicago Department Of Aviation$2,311,221,436
Largest individual contracts
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2025$1,720,000,000
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2023$273,065,915
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2019$116,000,000
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2021$92,425,661
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2023 (2)$89,049,239
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2021 (2)$20,680,621
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2026$0.00
- CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRP… — 2025 (2)$0.00
How the work was procured
- RFQ10 contracts
Contract types
- PRO SERV-AVIATION10 contracts
Aecom Hunt / Clayco, A Joint Venture contracts most heavily with Chicago Department Of Aviation, which accounts for $2,311,221,436 across 10 contract records.
Aecom Hunt / Clayco, A Joint Venture contracts FAQ
- How much has Chicago awarded to Aecom Hunt / Clayco, A Joint Venture?
- City of Chicago contract records show $2,311,221,436 awarded to Aecom Hunt / Clayco, A Joint Venture across 10 contract records approved since May 29, 2019. That figure is the net of awards and later adjustments, and an award is not the same as money actually paid out.
- Which city departments contract with Aecom Hunt / Clayco, A Joint Venture?
- By total award amount, the departments contracting with Aecom Hunt / Clayco, A Joint Venture are: Chicago Department Of Aviation ($2,311,221,436).
- What is the largest Aecom Hunt / Clayco, A Joint Venture contract?
- The largest single award on file is $1,720,000,000, described by the city as "CONSTRUCTION MANAGEMENT AT-RISK SERVICES FOR O'HARE 21 AT O'HARE INTERNATIONAL AIRPORT", approved Oct 20, 2025, through Chicago Department Of Aviation.
- Why can a contract amount be negative?
- The city records revisions and de-obligations as separate rows with negative award amounts. That means a vendor total is the net of original awards plus every later adjustment, not a running tally of payments. Awarded dollars are also not the same as dollars spent — a contract can be awarded and only partly drawn down.
Source
- City Contractsupdated dailyofficial portal ↗
Contracts are matched on the vendor name exactly as the city records it, so a company filed under more than one spelling may appear on more than one page. Award amounts can be negative on revisions and de-obligations; totals are the net of awards and adjustments, not payments made.