This classification applies to specialty (nonconstruction) contractors that are providing flagging services on public utility, power, water, or gas line construction projects. This classification also applies to employees of a temporary staffing company who are assigned to provide flagging services on a temporary basis to a public utility company (nonconstruction contractor) during the construction or extension of overhead or underground power, water, or gas lines.

This classification excludes employees of construction contractors who perform flagging duties who are to be reported separately in the classification applicable to the construction work the construction contractor is performing.