Trayer Engineering Corporation is a pioneer and global leader in the design and manufacture of maintenance-free vacuum switchgear for electrical distribution systems. For 50 years, Trayer has been committed to excellence in design, quality workmanship, dependability, and customer service. Padmount, submersible, and vaultmount products are Smart Grid ready and designed for harsh conditions and future automation upgrades. Trayer's legacy of creative engineering has led to the development of many switchgear solutions. Trayer headquarters and manufacturing facility is located in San Francisco, CA, US.