Big Picture Thinking
Whether your assets work in the most extreme environments or stay at a desk, we’ve got you covered. Sealevel engineers design computing solutions that excel across industries.
Defense
We've exceeded the expectations of
every major US and Allied nations military contractor.
We'll do the same for you.
Energy
What’s your flavor?
Oil, gas, electrical, solar, wind?
We’ve got the scoop on energy.
Industrial Automation
We didn't invent
industrial automation.
But we might as well have.
Monitoring
How many senses would a sensor sense
if a sensor was powered by Sealevel?
All of them.
Public Safety
Connectivity solutions
where they matter most.
Is fast fast enough?
Smart Cities
Lights. Cars. Cities.
They're all getting smarter.
Shouldn't you?
Transportation
Ready to go further with your
transportation solutions?
We are.
Creative Doers, Serious Business.
Welcome to Sealevel Systems, Inc.
Since 1986, we’ve brought control to the user with our innovative I/O solutions that enable computer connectivity. As our product families expand, responsive thinking and creative development continue to drive our company. From engineering design to production and support, Sealevel ensures client satisfaction with precision-made technology and high-quality services.
Learn More
Featured Products
SeaI/O-430U
USB to 32 Optically Isolated Inputs
Need Custom Solutions?
We Can Build It.
We are proud to work with the most talented engineers from around the world to solve difficult problems in diverse environments. No matter your application requirements, Sealevel can provide a solution that perfectly fits your needs. Contact us for your custom solution
Latest News & Insights
More, Faster, Safer: The Promise of Wi-Fi 6
Wi-Fi 6 (or 802.11ax) is the latest generation of Wi-Fi, although Wi-Fi 7 is hot on its heels. Wi-Fi 6 offers faster speeds, increased throughput,…
Securing Modbus Communications: Modbus TLS and Beyond
Modbus is a communications protocol developed in 1979 by Modicon to transmit messages between industrial control and monitoring devices. Modbus is a freely available open…