Companies beginning with I:
I-Metrics Asia-Pacific Corporation
i-view London
i4i / in4mation insights
IAL Consultants
IAS (Integral Ad Science)
IBM Watson - part of IBM
Icanmakeitbetter
ICF International
iD Social - site not found 1/25
IDA
IDC
Idea Couture, a Cognizant company
Idealis Pesquisa e Comunicação
Ideas + Visions
IDG, Inc.
IDR Medical
IFF Research Ltd
Ignite Connexion
Ignite Qualitative Research
IgniteTech
IIMRC - site not found 4/25
Illuma
Illuminas
Imagine Research
IMARC Group
iMotions - acquired by Smart eye
Impact Analytics
Impact Research Ltd
Import.io
Improvado
In-house Research
Incling
InContext Solutions
Increment Ltd
InCrowd - merged and rebranded as Konovo
InCrowd Inc
Incubeta
Indeemo
Indico labs
Indiefield
Inex
Infinite Analytics
Infinite Group
Infinite Insight Ltd.
Infiniti Research
infoAnalytica
Infogain
Infomedia
InfoQuest
Informa FS
Informa Intelligence
information by design
Information Services Group
Information Tools Pty Ltd - part of Ipsos
Informizely
InfoSum
Infosurv, Inc
Infotools
Infutor Partnership - part of Verisk Marketing Group
Inginit Technology
Ingress
Inizio - previously Ashfield
Ink Research
Inkblot Analytics
InMobi see Appsumer
InMoment
INNER Research
Innervisions
Innovid
inQuba
Insensis - site not found 12/24
Inside Tracks
Insight Advantage
Insight Engineers
Insight Scouts Research and Consultancy
Insight Survey
Insight Track Ltd
InsightAsia Research Group
Insightrix Research, Inc.
Insights Exchange
Insights Family
Insights Now
Insights Opinion
Insights.us
insightsoftware
Inspectlet
Inspired Market Research Ltd
Instapage
Institute for Public Impact - part of Verian
INTAGE Marketing Consulting (Shanghai) Co. Ltd.
Intage Vietnam
Integral Ad Science
Intelegencia
Intelligence Node
IntelligentQ
Intensions Consulting Inc
Intermx - site not found 2/25
Internate - now part of SAMY Alliance
Interpret UK Ltd
Interpret
Intersec
InterView Partners
Interviewing Service of America
Intouch Insight
Intra Research
Intra Research
Intuify
Invent Analytics
InVeritas Research
inVibe
Invoca
IPG Health / SOLVED
Ipsos
iQor
IQVIA
IRB
iReach Global
iResearch Services
iResearch
ironSource
IronVest
Ironwood Insights
Irrational Agency
Irwin Broh & Associates
ISA
ISC-CX
Isentia
ISG
ISIMA
iSKY Research
iSpot
iTracks
IVP Research labs
Ivy Exec