skip to Main Content

About Marathon Products

Stay connected with highly reliable, accurate, 100% tested sensors for high- and low-temperature applications.

Marathon Products is a leading provider of temperature environmental sensors for low- and high-temperature applications, including monitoring the cold chain, wireless devices, connectivity to phone apps, and cloud gateways. We supply companies of all sizes and all around the globe with environmental sensor products.

Our selection of precision environmental monitoring devices includes:

  • CO2 sensors
  • Temperature and humidity sensors
  • Temperature monitor calibration services
  • Temperature mapping data loggers
  • Remote monitoring
  • Vibration sensors
  • Calibration services for our devices

We’re a step above other providers because we always go to bat for you with personalized service and competitive pricing. Don’t ship your product without fully tested, accurate environmental sensors to ensure safety and quality.

Marathon Products is here to keep you connected and at ease so you always know when your products are temperature-mapped within range.

Core Values

At Marathon Products, we care about bringing you 100% tested products that are intelligently designed with over 30 years of experience backing them. Our products are certified to ensure the highest performance and functionality.

We work by these values:

Thoroughly tested, accurate products with no-questions-asked returns
Our devices are 100% tested to ensure reliability and accuracy for both high- and low-temperature applications. We offer no-questions-asked returns in the rare event of a product malfunction.

30 years of experience in precision environmental devices
We envision, manufacture, and supply the highest quality environmental sensor products with over 30 years of experience in the industry to back their performance. Our products excel at environmental monitoring because we have the decades of experience needed to create highly accurate and functional sensors.

Certified products for ultimate performance, functionality, and reliability
All of Marathon Products’ temperature and environmental sensors come with certifications to ensure the highest quality where it matters most. Our products come with a free National Institute of Standards in Technology traceable certificate and are Title 21 Code of Federal Regulations compliant.


The Marathon Products team includes:

Jon Y. Nakagawa, Founder, President, and CEO
B.S. Fresno State University
Jon has over 25 years of experience in the temperature management industry and holds two patents in sensor technology, with a third patent pending.

At Marathon Products, Jon is responsible for product development and liaising with corporate accounts globally. His background includes finance, manufacturing, and strategic planning expertise as a certified public accountant.

Greg Reel, Scientist and Chief Engineer
B.S. University of New Mexico
Greg’s background includes time with major semiconductor companies in Silicon Valley and experience designing a wide range of commercial products in environmental monitoring, home security, and integrated circuit failure monitoring.

He has worked with Los Alamos and Livermore to develop and design electronic instrumentation, and today, he aids customers and implements improvements in Marathon Products’ wireless and cloud solutions. He holds two patents.

Oliver Nguyen, Network IT Specialist
B.S. University of California Irvine
At Marathon Products, Oliver manages IT and enterprise software development products. He has experience managing the development and integration of major projects such as LoggerPulse and MaxiThermal Online.

His university experience includes graduate work on artificial intelligence with an emphasis on neural networks. At the University of California Irvine, he is a member of the Information and Computer Science Alumni Program.

Clients and Industries We Serve

We serve Fortune 500 companies, government agencies, and SMBs. Some of our high-profile customers include:

Our industries of expertise include:

  • Beverages
  • Biotechnology
  • Blood Banks
  • Blood Transport
  • Cell Culture Labs
  • Cheese and Dairy
  • Chemicals
  • Confectionery
  • Cord Blood Banks
  • Cosmetics
  • Cryogenic Shipping
  • Diagnostic Labs
  • Flowers and Plants
  • Fresh Produce
  • Frozen Foods
  • Fruit and Nuts
  • Hospitals
  • IVF Clinics
  • Meat and Poultry
  • Pharmaceuticals
  • Seafood
  • Semiconductor
  • Shipping and Transportation
  • Stem Cell Research Labs

Don’t ship without us – get your quote!

If you need high-quality, reliable temperature and humidity sensors for shipping, transportation, and storage, you’re in the right place. We’ll evaluate your business needs and provide you with our recommendations and quote. Email the Marathon Products team today to get a quote on your environmental sensor needs!


Where to Buy Our Products in:

The United States:
Central America:
South America:
  • CalTech: Mats Svensson: +46 8 534 703 40
The Netherlands:
Australia & New Zealand:
  • AgileNobel: 14/5, Jainco Complex Main Mathura Rd. (near Mewla Maharajpur Metro Station) Faridabad-12103 Haryana, India.
    +91 9839602946, +91 7827525992
Back To Top