O.J. Mann Electric continues to grow as a Commercial Electrical Contractor and Authorized Standby Generator Dealer having installed and maintained nearly 2,000 generators throughout Connecticut. We install and maintain generators throughout the year with a dedicated team of electricians- while maintaining and growing our commercial division. Browse through our website for information on our service line and feel free to contact us direct on your electrical needs for your home or business. Our commercial and generator quotations are always complementary.