8:30 a.m. to 4:30 p.m
Central Time
Monday through Friday excluding City Holidays
Telephone: 312.744.9750
Richard E. Butler, 1st Deputy Procurement Officer
Telephone: 312.742.4500
James McIsaac, General Counsel
Telephone: 312.742.5080
Byron J. Whittaker, CPPO, CPPB, Deputy Procurement Officer - Construction, Arc and Eng, Commodities, Small Orders
Telephone: 312.744.4926
John O'Brien, Deputy Procurement Officer - Professional Services, Vehicles & Heavy Equipment, Work Services
Telephone: 312.744.4922
Elizabeth Granados-Perez, Deputy Procurement Officer, Aviation
Telephone: 312.744.1948
Monica Jimenez, Deputy Procurement Officer, Compliance
Telephone: 312.744.0845
George Coleman, Deputy Procurement Officer, Certification
Telephone: 312.744.3931
Steve Loboda, Deputy Procurement Officer
Telephone: 312.744.7960
Telephone: 312.744.4900
Facsimile: 312.744.0010