Contact Us Do you have questions, want to schedule services, or have other needs we can help with? Feel free to give us a call at 909-889-5607 or email us at diana.knifer@hazmattrans.com Are you faxing documents? Our fax number is 909-884-8966. Our mailing address and business offices: If you don’t reach us live, please leave a message, and we’ll get back to you within 24 hours during business days. We look forward to hearing from you!
