We manufacture electrical bus duct components and systems which conduct large volumes of electricity within power generation plants. Our major customers are OEM's, utilities, industries and design/construction firms. We are the leading builder of isolated phase, segregated phase, non-segregated phase, bar, cable and open bus configurations in the U.S. Our cost-efficient turnkey services save you time and money. Vast Industry experience allows us to design, build, install and service a system that meets your precise requirements.
Memberships Is An ISO 9001-2000 Certified.
Omni-Bus Duct is found in oil refineries, waste water treatment and petrochemical plants - virtually any industrial ...
read moreThe Cable Bus concept is a low cost, maintenance-free, worry-free approach to power distribution. Today, after decades of ...
read moreThis design eliminates problems common to connecting main generators to main transformers, unit transformers and auxiliary ...
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Calvert has successfully handled the rigorous task of bus-system installation since 1957. Our proven system/component design and engineered installations have made us an industry leader.




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