DLL Manufacturers
- IconLib
- ICQ
- ICSharpCode.net
- id Software
- id3 Semiconductors
- IDEAL Software
- IDM Computer Solutions, Inc.
- iDRS
- IDT Inc.
- iGlobalMedia.com
- Igor Pavlov
- IK Multimedia
- Illustrate
- Image-Line
- Image Power Inc.
- ImageFX
- ImageMagick Studio LLC
- Imagination Technologies Ltd.
- imagine LAN, Inc.
- IMG, Seagate Software
- Immersion Corporation
- immohacks.com
- Impact
- Implode Application
- IMSI
- ImTOO Software Studio
- Inabyte, Inc.
- IndigoSTAR Software
- Indius, Inc.
- Iner Media, Inc.
- Infineon Technologies AG
- influenced.net
- Info-ZIP
- Informatic A.O.
- Informatic Corp.
- Informations Qvalitet AB
- Informix Software, Inc.
- INFRASONIC
- Ingo Ralf Blum
- IniFile
- Initex Software
- Inner Media Inc.
- Innova
- Inovaware Corporation
- Inprise Corporation
- Inscriber Technology Corporation
- Inso Corporation
- InSoft, Inc.
- InstallShield
- InstallUtil
- Instrutech Corp.
- InteAr Ltd., Almod Corp.
- Integrated Data Systems Inc.
- Intel Corporation
- IntelleSoft
- Intelligent Converters
- Interact.com
- Interact Commerce Corp
- Interactive Image Technologies Ltd.
- InterActual Technologies
- InterBase Software Croporation
- internals
- International Business Machines Corporation
- Internet Pictures Corp.
- Interplay Productions
- Intersil Corporation
- INTERSOLV, Inc.
- Intertrust Technologies, Inc.
- InterVideo
- Intrinsic Graphics, Inc.
- Intuit
- InvenSense
- Investment Engineering Corporation
- IObit
- iolo technologies, LLC
- Iosif Adrian
- Ipswitch Inc, 81 Hartwel Ave, Lexington, MA
- IQ2
- Irfan Skiljan
- IRIS (Image Recognition Integrated Systems)
- IrisGuard Inc.
- iS3, Inc.
- iS3 & AVG Exploit Prevention Labs, Inc.
- iS3 & Exploit Prevention Labs, Inc.
- ISP Power Corporation
- ISR Group Ltd.
- ISSS Inc.
- IT
- Itautec Philco SA
- Itay Szekely
- ITB CompuPhase
- Iterated Systems, Inc.
- ITeX INC.
- ITI
- Ivan Latunov
- IvoSoft
- ivt
- IVT Corporation
- IXLA Limited
- J Lawler