Website address: https://www.pcmatic.com/
Phone: (855) 241-6700
Email/contact form: https://www.pcmatic.com/support/ ("Suggestions")
Facebook page: https://www.facebook.com/pcmatic/
Twitter account: https://twitter.com/pcmaticpro
Mailing address: 2515 W 22nd St, Sioux City, IA 51103-2361