To apply for a Rainbo Oil Company business account, please download an application HERE. Please feel free to mail, drop off, fax, or email your application to:


Accounts Receivable
PO Box 768
Dubuque, IA 52004-0768
fax: (563) 557-1541


Please expect a response to your application within a week of submission.


If your company is tax-exempt for purchases made with us, please download a Sales Tax Exemption Certificate HERE.


If you have any questions about Plymouth Lubricants business accounts, please contact Alan Williams.


Alan Williams

3208 Washington Ave

Sheboygan, WI 53081

phone: (800) 242-6825 ext. 304

fax: (920) 694-0294