Your Partner in Transformer Reliability

Inspections, testing, diagnostics, and field service—everything you need to prevent failures, extend transformer life, and keep operations running.

Powered by industry-respected accreditations, certifications, and partnerships.

Trusted since 1965.
Millions of data points.
National field coverage.

61

years of
experience

5.8

average turnaround days for oil testing

70 +

field technicians nationwide

1.5

billion gallons of oil
tested since 1965

240 k

assets
diagnosed
per year

1.3 +

million oil test
results per year

Serving Diverse Industries

We partner with customers throughout a diverse range of industries to ensure transformer reliability and safety. Our expertise in testing, diagnostics, and maintenance makes SDMyers the go-to provider for end-to-end transformer care.

About Us

Founded by Stan Myers in 1965, SDMyers is A Good Place Company and has been a trusted leader in transformer maintenance and reliability for over 60 years. Headquartered in Tallmadge, Ohio, SDMyers helps organizations prevent electric power system failures, extend asset life, and keep operations running.

What People Are Saying

SDMyers has been a valuable partner for the past 8 years. Their knowledge, professionalism and responsiveness with respect to transformers is second to none. Their approach to focus on Reliability and the electrical distribution system ensures a practical approach to maximize our assets life expectancy.

Lee M.
Maintenance and Reliability Director, NTT Global Data Centers

I have partnered with SDMyers across multiple companies and industries because of their technical expertise, customer-focused approach, and commitment to continuous improvement. Their team consistently listens to customer feedback and works collaboratively to develop practical solutions that benefit end users.

Brad F.
Corporate Refining Reliability Specialist, Marathon Petroleum Corporation

Talk with a Transformer Expert

Let our experts assess your needs and provide tailored solutions to ensure the reliability and safety of your transformer fleet.