Industry Analysis

335311 Power, Distribution, and Specialty Transformer Manufacturing
Comprises establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.

335312 Motor and Generator Manufacturing
Comprises establishments primarily engaged in manufacturing electric motors (except internal combustion engine starting motors), power generators (except battery charging alternators for internal combustion engines), and motor generator sets (except turbine generator set units). This industry includes establishments rewinding armatures on a factory basis.

335313 Switchgear and Switchboard Apparatus Manufacturing
Comprises establishments primarily engaged in manufacturing switchgear and switchboard apparatus.

335314 Relay and Industrial Control Manufacturing
Comprises establishments primarily engaged in manufacturing relays, motor starters and controllers, and other industrial controls and control accessories.