Chicago Area Software Developers
- 3 Olive Solutions
- 37Signals
- Accertify
- Access Commerce
- Adaptive Solutions
- AdGooroo
- Advizor Solutions
- Aginity
- Aladdin Knowledge Systems
- AllianceAnalytics
- alligatortek
- Allscripts
- Alterian
- APP Design
- Armia Systems, Inc.
- ArrowStream
- Asmakta
- Athena Security
- BICC Systems
- BigMachines
- Breakthrough Technologies
- Bridge Information Group International
- Callibra
- Centrex Technologies
- Channel Velocity
- Clarity Consulting
- ClearMeeting
- Clear Trial
- Cleverbridge
- CleverSafe
- Click Commerce
- Cohesive Flexible Technologies
- Comarch
- Compliance11
- Computerized Fleet Analysis
- Computhink
- Comvigo
- Concretio
- Concuity
- Configure One
- CSW Solutions
- CVM Solutions
- Cyber Korp
- DARC
- Daystar Computer Systems
- Delcross Technologies
- Delivered Innovation
- DMC
- Dosensio
- eFactory
- Enrollment Rx
- ESRI (Chicago office)
- Expert Object Corporation
- Expetec of Chicago Loop and West Loop (local franchise)
- Fieldglass
- firm58
- Flowmaster
- ForceLogix
- formfort
- Freerain Systems
- Geneca
- GeneXus
- Gerasus Software
- Global Logic (Chicago office)
- Hayes Technology Group
- Herzum North America
- Hyde Park Systems
- Impart Solutions
- InCharge Systems
- Infogix
- Initiate Systems
- InRule Technology
- Intetics
- Io Datasphere
- IP Pay
- Ironbridge Software
- IsoSoft Solutions
- Itrios
- kCura
- Kirix
- Knowledge Pay
- LANSA
- Mill Creek Systems
- MKS (Chicago-ish Suburban Office)
- Model Metrics
- Napersoft
- Nastel
- Navteq
- New Governance
- New Hire
- Northbound Solutions
- Novem Technology (Chicago Office)
- Nuance Communications (Chicago-ish Suburban Office)
- Numerical Algorythms Group (Chicago-ish Suburban Office)
- Obtiva
- On Point Technology
- Open Kernel Labs
- OptionsCity
- Ordinal Logistics
- Original Software
- Ossia Systems
- Payment Pathways
- PFG Best
- Red Rabbit Software
- Red Sky Technologies
- ReTel Technologies
- Ribstone Systems
- Savid Technologies
- SAVO Group
- Secure Pay Services
- Semiautomatic Semiotics
- ShopperTrak
- SmartSignal
- Software Technologies Group
- Solstice Consulting
- Soverain Software
- SpatialPoint
- SPSS
- SRA Systems (Chicago-ish/Suburban Office)
- SSI Embedded Systems
- STA Group
- StayinFront (Chicago-ish/Suburban Office)
- StreetSmarts
- Swim Lane Software
- Table XI
- thincSoft
- Trading Technologies
- Tabyat Partners
- Telemedicine Solutions
- Three Crickets
- Triviumsoft
- Trustwave
- tvCompass
- VaporStream
- Versay
- Wisdom Group
