Engineering & Manufacturing:
Made in the USA

Whether on the phone, via email or in person, a visit with Sealevel delivers engineering and manufacturing excellence from the great state of South Carolina.

Contact Sealevel

Sealevel Donation
Honors the Legacy
of E.B. Holloway

Sealevel Systems donated $250,000 for a dedicated walking trail into Unity Park for area neighborhoods: Holloway Trail.

Learn More

The HazPAC 10
Rugged Panel PC
Has Arrived

Sealevel announces the HazPAC® 10 Rugged Panel PC.
Designed for Windows 10® IoT Embedded,  the HazPAC 10
delivers powerful processing and is certified by ATEX, IECEx and for C1D2. 

Meet the HazPAC 10

Sealevel Security: Device, Location and Cyber

The first of our “Overheard in Tech Support” videos takes a look at steps companies can take to embrace NIST 800-171, CMMC and other security standards. 

Watch Video

350+ Critical Communications Solutions in One Box

A Sealevel Blackbox can be an industrial computer, IoT edge device, PCIe or PCI card, Ethernet serial server, USB serial adapter – or any one of our 350+ critical communications solutions.

Watch Video

Lifetime Warranty.
Longterm Availability.

We offer over 350 core products, available in nearly every configuration imaginable.

Explore Products

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 About Sealevel

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.

Latest News & Insights

April 7, 2022 — Industry Trends

Encouraging Agricultural Innovation with Agritech

The Agricultural Revolution in the 18th century began when increasing economic pressure resulted in a need to improve traditional farming techniques. An essential prelude to…

March 16, 2022 — Sealevel Products

Supporting Military Test & Measurement Applications

Mission critical communications: perhaps nowhere is this term more applicable than in the military and aerospace industry. Across land, sea, air and space, equipment must…