The following is a list of notable vendors in the business of licensing IP cores.

• S3 Group
• Cadence Design Systems
• CoreHW
• Cosmic Circuits
• Dolphin Integration
• Synopsys

• Cadence Design Systems
• CEVA, Inc.
• IMEC
• On2 Technologies (through acquisition of Hantro)
• Synopsys (through acquisition of Virage Logic)
• Tensilica (now part of Cadence Design Systems)

• S3 Group
• Cadence Design Systems
• CoreHW
• Cosmic Circuits (now part of Cadence Design Systems)
• Dolphin Integration

• Synopsys - ARC
• Tensilica - Xtensa (now part of Cadence Design Systems)

• Actel
• Altera
• Arm
• Barco Silex
• Cadence Design Systems (through acquisition of Denali Software)
• Faraday Technology
• Lattice Semiconductor
• Rambus
• Synopsys
• Xilinx

• Arm
• Cadence Design Systems (through acquisition of Denali Software)
• Synopsys (through acquisition of Virage Logic)

• eSilicon
• Rambus
• Synopsys

• Open-Silicon
• University of Heidelberg^[1]

• Arteris IP
• Arm

• Arm (through acquisition of Dicentric and Sunrise Micro Devices)

• Arm (through acquisition of Artisan Components)
• Cadence Design Systems

• Socionext - HV Series

• Arm - Arm Cortex and Neoverse processors
• CEVA, Inc. - CEVA-X DSP
• Dolphin Integration - 8051, 80251
• eSi-RISC - eSi-RISC
• Freescale and others - ColdFire
• IBM and others - PowerPC
• Infineon Technologies - Tricore
• MIPS - MIPS
• OpenCores - OpenRISC
• Renesas - SuperH
• Andes Technology, Codasip, SiFive and others - RISC-V
• Socionext - Fujitsu_FR
• Sun Microsystems and others - OpenSPARC
• Synopsys - ARC
• Tensilica - Xtensa (now part of Cadence Design Systems)
• Western Design Center - 6502, 65816, 65xx
• Xilinx - MicroBlaze

• AMD
• Arm
• Imagination Technologies
• Intel
• NVidia

• Xilinx
• Altera

• Menta SAS

• Silicon Image Inc.
• Synopsys

• Silicon Image Inc.
• Socionext - Milbeaut

• Arm (through acquisition of Artisan Components)
• Faraday Technology
• Synopsys
• TSMC

• Arm (through acquisition of Artisan Components)
• Dolphin Integration
• Synopsys (through acquisition of Virage Logic)
• eSilicon

• S3 Group
• Arm (through acquisition of Artisan Components)
• Cadence Design Systems
• CoreHW
• Cosmic Circuits
• CEVA, Inc.
• TSMC

• S3 Group
• CoreHW
• Cosmic Circuits
• Dolphin Integration
• SiliconGate Lda

• CEVA, Inc.
• Synopsys Inc.

• Arm (through acquisition of Artisan Components)
• Silvaco (through acquisition of Dolphin Integration's libraries)
• Faraday Technology
• Synopsys
• NanGate

• Arm (through acquisition of Falanx and Logipard)
• Vivante Corporation (offers GPU IP solutions for applications in the mobile, consumer, automotive, embedded, real time/mission critical, and home entertainment markets.)
• CEVA, Inc.
• Chips&Media Specializes in video codecs, image signal processing, and deep learning-based computer vision system (super-resolution).
• Google (through acquisition of On2 Technologies)
• Imagination Technologies
• Silicon Image Inc.
• Socionext - HEVC/H.265, SEERIS 2.5D Graphics IP