North American Substation Services (NASS) is a nationally-recognized expert specializing in transformer and substation apparatus installation, services, and repair. Our management and highly skilled field-based force have received specialized training and are among the most experienced in the industry. NASS is dedicated to providing quality service and solutions that optimize the reliability of transformers and other substation equipment. Our customers know us as a trusted resource in the substation field with established long-term relationships grounded in integrity, professionalism, and value.
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NASS Questions
The NASS annual revenue was $51.2 million in 2026.
Michael Williams is the Vice President and General Manager of NASS.
35 people are employed at NASS.
NASS is based in Altamonte Springs, Florida.
Top NASS Employees
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Michael Williams
Vice President and General Manager at NASS
Land O' Lakes, FL, US35+ -
Daniel D
Director of Operations at NASS
Knoxville, TN, US1 -
Christopher Newnum
VP of Western Division at NASS
Cheyenne, WY, US11 -
Reimy Perez
Director of Operations- FL Region at NASS
Kissimmee, FL, US11 -
Jonathan Gulley
Director of Operations at NASS
Ringgold, VA, US15+ -
Bob Kelley
Business Development Director at NASS
Cookeville, TN, US12 -
Oskar Diosdado
Technical Sales Manager at NASS
Ballwin, MO, US12 -
Brandt Nelson
Director – Central South at NASS
Bonne Terre, MO, US13 -
Hunter Rau
Transformer Service Technician at NASS
Decatur, Illinois, United States11 -
Tim Betcher
Field Service Manager at NASS
Lakeland, FL, US11
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