Calvert Co.

Calvert is the only bus duct manufacturer that can provide cable bus, Bar bus, and Isolated Phase Bus Systems. This allows us to package your bus duct needs for a more economical purchase.

Calvert was established in 1957 and is the industry leader in new design and manufacturing techniques of bus duct systems.

Calvert can supply turn-key bus duct systems from 600V- 24kV. From 1000A to 24,000A. We have satisfied customers worldwide in all of our product lines.