Is this email not displaying correctly? View it in your browser.
Who is USA Single Source Nationwide Testimonials News News News

Your Single Source Generator Service Provider.

We are your "Single Source" partner for your national fleet of power generation assets. At Ultimate Service Associates we understand that your time is important and to best utilize that time you need a provider that understands your Generator fleet. We will be your advocate in all areas of generator maintenance, costs, and reporting.

  • A single point of contact for all generators nationwide
  • Expert generator knowledge
  • 365 days a year, 7 days a week, and 24 hour a day personal service
  • Unparalleled communication with our clients
  • Timely and personalized scheduling
  • Detailed reporting before, during, and after the service
  • Standardized and managed pricing
  • Billing management and service that is dedicated to our clients' complete generator system management

Learn More

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.

Learn More

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.

Watch Video


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.


Introduction to Transformers Used In Power Distribution Systems.

This information sheet discusses the workings of a transformer, its use locally, and how it made the efficient transmission of electricity and complete electrification of countries through utility grids (macrogrid) a reality.

Learn More

Copyright © 2023 Ultimate Service Associates
All rights reserved.


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