Thos. Somerville Co.

Create Account

Note:

All customers attempting to register for an online account must do so with a preexisting account number. If you do not have an account number please fill out our Credit Applications for Professionally Licensed Plumbing and HVAC Companies and email it to [email protected] to receive your account number upon registration. If you do not wish to submit a credit application with us, please reach out to your nearest Thos. Somerville Co. branch for cash or credit card transactions.


Your account number can be found on the upper right corner of an invoice, on your statement, or on the left side of a packing slip.

Your email address will be used as your login on tsconline.com.

Your password must be at least 7 characters and contain letters and numbers.