PCI\VEN_9004 or PCI Vendor ID 9004 recognizes Adaptec as the PCI Vendor and manufacturer of devices listed below. Adaptec address is Microchip Technology Inc. 2355 West Chandler Blvd. Chandler, Arizona, United States. Adaptec website is https://www.microchip.com.
Adaptec was acquired by PMC-Sierra, which itself was later acquired by Microsemi, which itself was later acquired by Microchip Technology.