- 3Y Power Technology (PMBus adopter)
- Advanced Micro Devices (AMD) (PMBus adopter)
- Analog Devices, Inc. (PMBus & SBS adopter)
- Cosel (PMBus adopter)
- CUI (PMBus adopter)
- Dell (PMBus & SBS adopter)
- Delta Electronics (PMBus adopter)
- EaglePicher (PMBus & SBS adopter)
- Emerson Network Power Embedded Power [was Artesyn & Astec] (PMBus adopter)
- Ericsson Power Modules (PMBus adopter)
- Etasis (PMBus adopter)
- Exar (PMBus adopter)
- Fairchild Semiconductor (PMBus adopter)
- Fujitsu Semiconductor Ltd (FSL) (SBS adopter)
- Fujitsu VLSI Ltd (PMBus adopter)
- GE Energy [was Lineage Power] (PMBus adopter)
- Huntkey (PMBus & SBS adopter)
- Infineon [now includes Primarion] (PMBus adopter)
- Inspired Energy (SBS adopter)
- Integrated Device Technology (IDT) (PMBus adopter)
- Intel (PMBus & SBS adopter)
- International Rectifier (PMBus adopter)
- Intersil Corporation [now includes Zilker Labs] (PMBus & SBS adopter)
- Linear Technology (PMBus & SBS adopter)
- Maxim Integrated Products, Inc. (PMBus & SBS adopter)
- Mellanox (PMBus adopter)
- Murata (PMBus adopter)
- N2Power (PMBus adopter)
- National Semiconductor (PMBus & SBS adopter)
- Nemic Lambda (PMBus adopter)
- NXP [was Philips Semiconductors] (PMBus adopter)
- Power Plaza (PMBus adopter)
- Powervation (PMBus adopter)
- Quality Components & Systems (PMBus adopter)
- Renesas
- Richtek (PMBus adopter)
- Roal Electronics (PMBus adopter)
- Samsung Electro-Mechanics (PMBus adopter)
- Shindengen (PMBus adopter)
- STMicroelectronics (PMBus & SBS adopter)
- Texas Instruments (PMBus & SBS adopter)
- Unipower Corporation (PMBus adopter)
- Vicor (PMBus adopter)
- Volterra Semiconductor Corporation (PMBus adopter)
- XP Power (PMBus adopter)
- Zippy Technology (PMBus adopter)
