238210 — Cable splicing, electrical or fiber optic
238210 — Electrical appliance installation
238210 — Electrical contractors
238210 — Electrical wiring contractors
238210 — Electrical work
238210 — Highway, street and bridge lighting and electrical signal installation
238210 — Low voltage electrical work
238210 — Telecommunications equipment and wiring (except transmission line) installation contractors
444190 — Electrical supply stores
541330 — Electrical engineering services
811219 — Electrical measuring instrument repair and maintenance services
811310 — Electrical generating and transmission equipment repair and maintenance services
517110 — Telecommunications carriers, wired
517110 — Telecommunications networks, wired
541618 — Telecommunications management consulting services
