Chicago City Contracts and Modifications Since 1993

City of Chicago contracts and modifications awarded from 1993 to the present, maintained in the Financial Management and Purchasing System (FMPS). Data is updated daily and owned by Procurement Services. Records include vendor details, award amounts, contract types, and department information.

Use Cases

• Analyze spending trends by Department and Contract Type over time using Start Date and Award Amount.
• Identify primary vendors and contract volumes by aggregating records on Vendor Name and Vendor ID.
• Assess contract duration and modification frequency using Start Date, End Date, and Revision Number.
• Examine geographic distribution of vendors using Vendor Address 1, City, State, and Zip columns.
• Investigate procurement methods and contract specifics via Procurement Type and Purchase Order Description.

Strengths

• Daily update frequency ensures current data.
• Time series coverage spans from 1993 to present.

Limitations

• Legacy system imports may have incomplete data, indicated by null Contract Type or alpha-character Purchase Order numbers.
• Some ordinance-based COMPTROLLER-OTHER contracts have start dates earlier than 1993, creating inconsistent temporal boundaries.
• Standard contract End Dates are tracked outside FMPS and are not fully captured in the dataset.

Provenance

Source

City of Chicago Financial Management and Purchasing System (FMPS).

Collection Method

Operational data from city-wide contract management and payment system.

Time Range

1993 to present.

Freshness

Updated daily.

Geography

City of Chicago, Illinois, USA.