Electric Bulk Power Transmission and Control
Get all 21 companies with NAICS code 221121

This U.S. industry comprises establishments primarily engaged in operating electric power transmission systems and/or controlling (i.e., regulating voltages) the transmission of electricity from the generating source to distribution centers or other electric utilities. The transmission system includes lines and transformer stations.

Enerjisa

Oil & Gas Exploration & Services

Gexa Energy

Electricity & Energy

Progress Energy Canada Ltd.

Oil & Gas Exploration & Services

Black Hills Power

Metals & Mining - General

Premier Utilities

Financial Services

SP AusNet

Electricity & Energy

Grupo Energía de Bogotá

Electricity & Energy

Toshiba Transmission & Distribution Systems Asia Sdn. Bhd.

Electronics & Electronics Manufacturing

Sea Breeze Power Corp.

Renewables & Environment

Allegheny Energy

Utilities

Aquila Inc

Water Energy & Waste Treatment

Tri-County Electric Cooperative

Electricity & Energy

Tonbridge Power Inc.

Electricity & Energy