Class of 2023

Challenge Apprentice

CK Power
Contemporary Art Museum St. Louis
Perennial
PHI Air Medical

Green Cities Challenge

City of Alton, Illinois
City of Brentwood, Missouri
City of Clayton, Missouri
City of Collinsville, Illinois
City of Edwardsville, Illinois
Village of Glen Carbon, Illinois
Village of Godfrey, Illinois
City of Granite City, Illinois
City of Highland, Illinois
City of Maplewood, Missouri
City of Webster Groves, Missouri
City of Wentzville, Missouri

Challenge Leaders

CIC Property Management
COCA
ESCO Technologies
Focal Pointe Outdoor Solutions, Inc.
ICL Specialty Products
Mallinckrodt Pharmaceuticals
Metro Transit/Bi-State Development
MilliporeSigma
Missouri Historical Society
Pulitzer Arts Foundation
Quiet Village Landscaping
RES
RideFinders
Roeslein and Associates
Saint Louis Art Museum
Saint Louis Science Center
Shapiro Metals
Trane Technologies

Challenge Champion

The Advertisers Printing Company
Ameren Missouri
AmeriCorps St. Louis
Bayer
Bethesda Health Group, Inc.
Cortex Innovation Community
Curium
Graybar
Hunter Engineering
Madison County Building & Zoning
Maritz
Missouri American Water
Missouri Botanical Garden
MRC – Midwest Recycling Center
MTM, Inc.
Office Essentials
Safety National
St. Louis Cardinals
St. Louis City SC
Saint Louis Zoo
StraightUp Solar

Supporting Sponsors

Graybar
Ameren Missouri
Citizens for Modern Transit
RideFinders and Madison County Transit
Cortex Innovation Community
Madison County
OneSTL
RBO
Stan Gellman Graphic Design
Edward Jones
Missouri American Water