Keller Electrical is now OTC! To streamline your ordering process and improve your customer experience we are redirecting you to

Keller Electrical is a leading service provider in the southwestern United States with headquarters in Phoenix, Arizona, and a sales and field service office in Tucson, Arizona. The company was founded in 1982 and has a wide range of technical services, including electric motor repair, custom electrical controls, fabrication, engineering and equipment field service, installation and maintenance. Its customers represent a wide range of industries, including water and wastewater, mining, aggregate and cement, power generation, agriculture and manufacturing industries.


Keller Electrical is now OTC! Learn how OTC can help support your business.


24 Hour: 602-437-3015

Toll Free: 800- 888-5326



1881 East University Drive

Phoenix, Arizona 85034


3150 N. Freeway Industrial Loop, Unit 140

Tucson, Arizona 85705



Electrical Design & Construction”

Keller Electrical has the skills and capacity to provide professional electrical construction services on a wide range of industrial projects. At Keller our staff is dedicated to completing projects on time and in accordance with direction from both the owner and general contractor. Keller's Electrical Construction division is one of the most comprehensive in the industry. Our diverse range of Project Management and Construction Services for electrical/ instrumentation and control systems for water, wastewater, mining, industrial power facilities and clean energy technology make Keller Electrical an ideal choice in the industry. Keller Electrical provides design support, which means we can offer a complete range of in-house capabilities rarely found in an electrical construction company. We provide turnkey electrical construction services with integrity, attention to detail, and responsiveness.

Electrical Motor Repair

Keller has provided first class industrial repair services to our customers. Keller Electrical services and supports all types and sizes of electric motors, generators and transformers. Our EASA Accredited repair facility boasts a fully staffed machine shop and is equipped to meet all your electrical repair needs. Our technicians are OSHA, MSHA, and EASA trained to perform a multitude of tasks in a safe and timely manner. Keller Electrical uses modern service equipment and calibrated instrumentation to ensure your electrical repairs can be completed correctly with the minimum amount of downtime. We also provide many value added services like computerized vibration analysis, dynamic balancing, laser alignment, transformer and switchgear repair, complete machining capabilities, crane & hoist service and much more.

Motor Control Manufacturing

Keller Electrical offers full-service panel fabrication and custom motor controls for projects of all sizes. Our motor control manufacturing and fabrication plant is a UL508A certified fabrication facility. At Keller Electrical our experienced wiremen and fabricators follow strict quality assurance standards in wiring and fabricating electrical panels. We have rigid fabrication guidelines and testing procedures to guaranteed quality and on-time delivery.

Outside Services

Keller Electrical offers a vast array of field services. At Keller, our safety conscious field electricians and I&C technicians are OSHA and MSHA certified and trained to safely perform a multitude of electrical services in a professional manner. The Keller Electrical field personnel have the training and skills needed to support today's industry. The technicians and field personnel at Keller Electrical are also experienced with optimal maintenance planning to achieve maximum efficiency during your scheduled outage. Our management team in the Field Service division can ensure the proper equipment and personnel are on your site and ready to perform when needed.

Fabrication and Machining

At Keller Electrical our experienced fabricators and millwrights follow strict quality assurance standards in fabricating structural steel, process piping, custom handrail and machine guarding. . We have rigid fabrication guidelines and testing procedures to guarantee quality and on-time delivery. Our team can fabricate and install these products to make your plant more serviceable and safer for your team


Electrical Motor 

An electric motor is an electrical machine that converts electrical energy into mechanical energy. Most electric motors operate through the interaction between the motor's magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor's shaft. Keller Electrical offers full service panel fabrication and custom motor controls for projects of all sizes.

Vertical Motors

 Vertical motors are directly connected to the equipment they drive. Because these are designed to take high loading in the axial direction, but little in the radial direction, they are exclusively mounted in a vertical position on their flanged base. Keller Electric offers full range of vertical motors that fit your needs.


A variable frequency drive (VFD) is a type of motor controller that drives an electric motor by varying the frequency and voltage of its power supply. The VFD also has the capacity to control ramp-up and ramp-down of the motor during start or stop, respectively.

At Keller Electrical our design systems maximize efficiency, often resulting in less labor and a lower installed cost. Our technicians, engineers and design team are a professional and safety conscious work force. Keller Electrical has a history of successfully completing sophisticated electrical installations.

Horizontal Motors

Keller Electrical strives to provide customers with the best in value and reliability. Keller has what it takes to help industries and applications reach new levels of efficiency and energy savings, even under the most demanding conditions. We carry horizontal motors that are designed to operate reliably no matter how challenging the process or application, and to have low life cycle costs.




Mining operations call upon us for solutions to tough problems. There isn’t a segment that’s harder on equipment than hard rock mining. A wide range of skills are required for a truly full solution services provider to safely tear down and inspect damaged or worn equipment, access the best repair strategy.

Keller customers have experienced years of dependable service in the water resources market. Significant legal, environmental and economic impacts can result from wastewater system failures. That’s why you need to be able to trust not only your supplier and their products, but their support response time as well. We care and responsiveness has earned them the trust of many wastewater treatment plants and professionals, for whom they’ve provided robust, reliable pumps used in the collection and treatment of wastewater.

Aggregates are raw materials that are produced from natural sources and extracted from pits and quarries, including gravel, crushed stone, and sand. When used with a binding medium, like water, cement, and asphalt, they are used to form compound materials, such as asphalt concrete and Portland cement concrete. At Keller ,We work to help support operations and keep crushing materials and making products with our capabilities and services.


Regardless of application, Keller can provide the solution. We’re a one-stop shop that can equip your plant with products and services.

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