Johnson & Towers has a staff of fully trained technicians to respond to all your service needs 24 hours a day, 365 days a year, no matter the make or model generator. We can also provide a comprehensive Preventative Maintenance package tailored to your specific needs. Johnson & Towers also provides Load Bank testing to be sure your generator will perform when it is most needed. A Johnson & Towers specialist can assist you on your generator installation needs. Call Johnson & Towers and put us to work for you!

Installation of Generators and Equipment

Johnson & Towers is your single source supplier for standby, supporting utility, prime power, cogeneration, and peak shaving applications, serving industrial installations, residential and office buildings, financial and data centers, health care and research facilities, governmental and municipalities, and mission critical installations.

– Start-Up, Diagnostic/Performance Testing, and Load Bank Testing
– Dependable Maintenance Services
– Repair and Emergency Service


You can have confidence trusting your generator service needs to JT trained technicians – regardless of the make or model of the unit. Our maintenance packages typically include mixed fleets with a wide variety of filter and parts requirements.

24/7 Emergency Rental Service

We take pride in providing a professional team of factory-trained technicians, available 24 hours a day, 7 days a week, offering premier service on all equipment makes and power ranges. Our service division specializes in creating affordable maintenance plans tailored to meet the needs of each customer.

24/7 Emergency Rental Service: (800) 825-3437

Power…When You Need It Most.

Our rental fleet is on-call 24 hours a day, 7 days a week.

Serving Standby and Prime Power Needs
Short and Long-Term Contracts

– Mobile Generators
– Fueling Services
– Hook-Up and Delivery Services
– Field Support and 24/7 Emergency Response Service
– Power Cabling, Auxiliary Fuel Tanks
– Field Maintenance Services

Hassle Free, Total Provisioning, Turn Key Rental Packages

Warranty Service

Authorized Service Distributor for MTU Onsite Energy, Detroit Diesel and Mercedes Benz

Johnson & Towers offers our valued customers open credit accounts for parts and service transactions. Apply today!


At Johnson & Towers, we take pride in our work. So much so, that we offer a free, six-month warranty on workmanship.

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Contact StandBy Generator Service

Service Manager
Fred Houck

(410) 687-0500 ext. 635

Linda Crusse

(410) 687-0500 ext. 641

Service Writer
Amy Gentile

(410) 687-0500 ext. 634

Steve Kincaid

410-687-0500 ext. 635

Johnson and Towers