I couldn’t find specific information about Randy Shull Service Plumbing. I recommend checking their official website or local business directories for further details about their services, ownership, and history. Randy Shull Service Plumbing Phone Number (626) 358-7373 Randy Shull Service Plumbing Address 603 1/2 Fano St Monrovia, CA 91016 Randy Shull Service Plumbing Website http://www.gmxinternational.com