Industry Analysts
- Aberdeen Group
- AMR
- C3I, Inc.
- Creative Strategies
- Datapro
- Dataquest
- Forrester Research
- Gartner Group
- Giga Information Group
- Gomez Advisors
- Hurwitz Group
- IDC
- Insight Technology
- ISM Marketing Mastery
- Jupiter
- META Group
- Ovum
- Patricia Seybold
- Technologic Partners
- Tower Group
- Yankee
- Zona Research