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UPS Service & Maintenance.

Routine planned maintenance has been shown to be among the leading factors of ongoing reliability in uninterruptible power systems (UPS). In addition to minimizing the threat of expensive and potentially devastating downtime, a well-maintained UPS helps reduce costly emergency service calls while lowering overall service expenses by 50 percent or more.

USA’s experienced, knowledgeable technicians are dedicated to helping extend the life of your UPS systems, providing unparalleled quality and affordable service.

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Generator Fuel Service & Maintenance.

One of the most common causes of failure and reduction in performance is insufficient attention paid to a generator system's diesel fuel supply. Diesel fuel left standing for extended periods degrades substantially to the point of becoming totally useless.

Standby generator systems are particularly susceptible to diesel fuel issues because their fuel source is left standing for several months exposed to the factors that degrade diesel.

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Your Single Source Generator Service Provider.

Ultimate Service Associates (USA) is the nation's premier generator set maintenance and repair management organization. Since the company began, we have maintained a very high client retention. Many of our current clients are Fortune 500 companies and chose USA over all of the other available options.

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Contact Us.


Ultimate Service Associates
5514 South Lewis Ave. 
Tulsa, OK 74105 
Phone: (918) 836-8701 
Fax: (918) 835-2748 
contact@usa-svc.com



Mission Statement.

Ultimate Service Associates' mission is to provide quality generator system service as a single point of contact nationwide.

We Are the Ultimate Service.

We are the "Ultimate Service" when it comes to Single Source Nationwide Generator Service and Maintenance, our name says it all.


Operation and Types of AVRs on Generator Systems.

Automatic Voltage Regulators, commonly known as AVRs, are an essential component of an engine-driven generator system. This information sheet discusses the operation of an AVR, how it provides stable voltage through various loads, and different types of AVRs that are used for loads that demand a greater degree of voltage stabilization.

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5514 South Lewis Ave.
Tulsa, OK 74105
918.836.8701 (Phone)
918.835.2748 (Fax)