Agencies & Consultancies Companies: Begins with 'I'
IBISWorldICF Consulting CompanyICF InternationalICON Architecture, IncIDL WorldwideIMG Media LtdIMS ExpertServicesIOD IncorporatedIST Management ServicesITN NetworksIZEAIce Miller Donadio & RyanIcon Media Direct, Inc.Iconix Brand GroupIcrossing, Inc.IdentityIgnition GroupIgnition Inc.Imagination PublishingImmigration EqualityImre CommunicationsInVision CommunicationsIndependent School ManagementIndustrial ColorIndustrial Development CorporationInfiniteInfinitive, Inc.Infinity MarketingInfoGroupInfoSync ServicesInformaInitiativeInitiative Media, LLCInkHouseInmar Enterprises, Inc.InnerworkingsInnovative HealthcareInsero & CompanyInsight Resource GroupInsight Sourcing GroupInsperity, Inc.Inspira Marketing GroupInstitute For Defense AnalysisInstitute for Corporate ProductivityIntegrated Marketing SolutionsIntegrated Marketing TechnologiesIntegrated Medical DeliveryIntegrated Merchandising Systems, LLCIntegrated Project ManagementIntegreonIntellectual VenturesIntelliwareInterMundo MediaInterlink GroupIntermarketsIntermedixInternational Center For Research On WomenInternational Data CorporationInternet BrandsInternet Marketing Inc.Interpublic Group of Companies IncIntersport TelevisionIntouch SolutionsInventiv CommunicationsInventiv HealthInventus LLCInvodoIprospect IncIpsosIpsos-DirectIpsos LoyaltyIrwin NaturalsIsagenixIsobar GlobalIvie & AssociatesIwco DirectiClickiHeartMedia, InciJETinterTrendiostudio