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

Merry Christmas and Happy New Year from Ultimate Service Associates!

As the holiday season is upon us, we find ourselves reflecting on the past year and on those who have helped us shape our business. We value our relationship with you and look forward to working with you in the year to come.

And in this spirit, we say, simply, but sincerely:

We wish you a Merry Christmas and a Happy New Year!

- The Ultimate Service Associates Team

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.


Automatic Voltage Regulators and the Need for Generator Voltage Stability.

This information sheet discusses the importance of stable voltage control, the effects on non and inductive loads, the dangers of brownouts, and the importance of an engine-driven generator system’s AVR.

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)