Houston-based Powell Industries (nasdaq: POWL - news - people ) makes switchboards and other kinds of electric-power distribution equipment for businesses including commuter rail systems, utilities, and oil and gas producers.

FORBES: Nasdaq Bargain Hunting

The company produces electrical steels for makers of power transmission and distribution equipment.

FORBES: Magazine Article

Damage to the grid: Power surges and electrical system failure due to high loads can cause power outages and damage to BC Hydro equipment and infrastructure, including the premature failure of distribution transformers.

FORBES: Electricity Theft: A Bigger Issue Than You Think