Contact

If you need assistance and live outside the United States and Canada or have a product purchased outside these territories, please click here to find the International office nearest you.

GENERAL CONTACT INFORMATION
Hollis 
2002 Davis Street
San Leandro, CA 94577
USA
phone: (510) 729-5110 
fax: (510) 729-5115 

Use this form to contact us via email. A representative will review your message and respond as soon as possible.

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Contact Information