JM Test Systems is dedicated to delivering the highest quality services to our customers. We have the experience and the know-how to get you what you need, when you need it.


Test Equipment Made Easy™

SINCE 1982

JM Test Systems is dedicated to delivering the highest quality of calibration and repair services to our customer. Our commitment to accuracy, reliability, quality, and service is what will make JM Test Systems stand out for you. We’re the experts when it comes to test equipment and testing… it’s all we do, and we’ve been doing it successfully for 35 plus years.

Our laboratories are ISO 17025 Accredited by A2LA. All calibrations are NIST or other international standards organizations traceable. Our accreditation is your assurance that our work meets the highest standards including:

  • Documented and controlled procedures
  • Controlled calibration environment
  • Trained technicians
  • NIST traceability with standards of suitable accuracy

Accredited Laboratory - Calibration and Electrical Testing

Customer Testimonials



JM is a one stop shop, they have always been there for me when I need support. The wide range of services provided is a great benefit whether it’s in their facility or on-site services. JM has always responded to my request whether they are able to provide the services I have requested or not. Their service & focus on customer satisfaction is great!

Dale May | Chevron Pipe Line Company

Honest, responsive service. Everyone I speak with are professional and knowledgeable. When I have request quick service, I have not been disappointed.

Will White | Seaport Canaveral

JM Test delivers quality products and service to their customers. They understand the demanding needs of the industry and offer a high level of support in a timely manner. I highly recommend using JM Test.

Lance Eusea | Koch IND

JM Test is one of the top companies at what they do in my mind. If you want good quality service & equipment, they are the only company to deal with. Very proficient and easy to deal with, if there is something they don’t normally carry, they will get it for you. Can’t go wrong with this company.

James Havard | Cheniere Energy

Thank you, JM Test for your quality services. I retired from a public utility company, but I found JM to be most accommodating to our needs at the utility. Since my retirement, I have joined my family business and continue to use many of the same services. As a small electric contractor, we often need recourses that can be found at JM Test.

Larry Horrall | Horrall Electric Inc.

We have used JM Test systems for quite a few years and have found them to be accurate and professional every time, we highly recommend their services.

Thomas Malo | Distran Packaged Substations

We have been using JM for years. You have the best customer service. I have never had any problems. Great Team Work.

Kenny Prejean | Future Pipe Industries


JM Test Systems has stood behind their test equipment products and calibration services for 30 plus years. Our goal is to be the most reliable and easy-to-work-with vendor we can be, and these are not just empty words… it is a promise that we clearly spell out for you.

35+ Years of Experience and Expertise

We have 35 plus years in business and 184 years of practical technical and application experience.

Superior Products
in Stock

The products we provide are made of the highest quality parts from over 35 leading manufacturers.

Courteous Service
and Support

With over 420 personnel on staff, we guarantee your questions will be answered immediately.

Access to our Network of Partners

In addition our support, our partners are also there to assist with any technical issues.

No Unrealistic

We will always be honest, forthright, and realistic. A long-standing business relationship is our goal.

Superior Product Warranty

All products sold are warranted for a full year against manufacturing and material defects.

Rental Product Replacement

Any product failure will be immediately replaced with a newly tested and calibrated product.

Guaranteed Order Accuracy

Helping you get your project done on time and on specification is our highest priority.

Fast Shipping

We guarantee same day shipping on all orders placed before 1:00 PM Central Standard Time.


All equipment is recently tested, calibrated and certified by our in-house ISO/IEC 17025 A2LA lab.