THE RIG: 2007 Ford F-750 with 1,100-gallon waste/400-gallon freshwater tank used for running a daily portable sanitation service routeCOMPANY: T & T Port-O-Let Service, in Clements, Md., was started in the late 1980s by Joseph “Buddy” Thompson and his wife, Louise, as a sweeping business cleaning up parking lots and construction sites. Their son, Joseph “Ricky” Thompson, started running a dump truck business later, and then father and son were joined by grandson Joseph “J.R.” Thompson in the portable sanitation business starting in 2007. Louise works in the office on the sweeper side of the business and J.R.’s sister, Jennifer,
