Thrives in rugged environments.
Lives to test limits.

Yes, this is a tardigrade.
And it’s also every product Sealevel designs and manufactures.
Resilient. Reliable. Up for the challenge.

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We Put the I/O in IoT™

Custom IoT hardware and private-labeled cloud software that allow you to monitor and control real-world processes.

Join the IIoT Revolution

World-Class; American Made

From the smallest components to the most extensive projects, we address every opportunity with excellence and dedication to detail. You can find our products setting new standards from 911 call centers to outer space.

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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.

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Featured Products

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LTE Cellular to 2 Form C Relays, 4 Digital Inputs, 2 A/D Inputs and 1-Wire Bus, SeaConnect Multifunction I/O Edge Module, Powered by SeaCloud
Configurable Relio R1 Industrial Computer
SeaCloud Subscription for Cellular & Wi-Fi SeaConnect Devices, Includes LTE Cellular 25MB Data Plan (Monthly)

Latest News & Insights

October 13, 2020 — Industry Trends

Meeting & Exceeding Standards: Shipboard Equipment

Shipboard equipment and systems must withstand various degrees of shock and vibration from both their environment and their own internal components. The military has specified…

October 9, 2020 — News

South Carolina Manufacturing Week

Governor Henry McMaster issued a proclamation declaring the week of October 5-9 as South Carolina Manufacturing Week. The goal of the proclamation is to recognize…