service station.
"They put their postcode on it," Mr Shamley said.
"Apparently, you've got to leave your postcode, so everyone knows where you come from.
"But we've got security cameras up there now; we got it all covered by security, so hopefully that will fix the little bastards."
John R. Turk Morisset storeman driver Paul Kotowski said the wholesale electrical and data suppliers had been targeted by graffiti vandals twice in the past two years.
"It's just a hassle," he said. "It was all up the side of the building."