'Round here the other utilities have an amazing variety of clamps to connect their ground wires onto the corners of meter cans or panels or whatever without loosening our clamps or anything.
Several months ago I was at an inspection where the phone company got there before the inspector. They put some kind of weird clamp on the meter can, before the inspection, and before the meter was set. He was not happy. "I hate those things," he said. So I removed the clamp, tapped a hole in a piece of strut, and re-terminated the phone ground on a 10/32 screw. He was happy.