Critical Power, Inc. (CPI) provides expert Commercial and Residential Generator services to Central Maryland. We offer Generator Sales, Service and Rentals with most major brands supported. 24/7 Emergency Service available. We also offer Maintenance Agreements for all brands.

​ All generator companies are not created equal! All of us at CPI enjoy what we do and enjoy solving the challenges of generator installation and service. When power is taken from you without warning, our generators give it back!