In defense, adaptability is everything. At Sealevel, we design and manufacture rugged embedded computers and industrial I/O solutions that keep pace with rapidly evolving missions. Built in the USA with AS9100D-certified processes, our systems are engineered to meet or exceed MIL-STD requirements—delivering performance you can depend on in the harshest operational environments.
When failure isn’t an option, trust Sealevel to provide computing and I/O solutions that integrate seamlessly, reduce program risk, and deliver long-term availability.
Hardware Designed to Serve Your Goals
Defense-Grade I/O Solutions
Designed to support tactical communications and reliable connectivity in mission-critical applications.
Rugged Embedded Platforms
Engineered for SWaP-C efficiency and performance under extreme temperature, shock, and vibration conditions.
Lifecycle Support
Long-term product availability and responsive engineering support to protect your investment and mission success.
Navigating the complex requirements of military and aerospace programs shouldn’t slow you down. Our hardware is ready to integrate—helping you meet aggressive deadlines and safeguard contracts.
The Sealevel Difference
Designed to Exceed MIL-STD Requirements
Confidence that systems will perform under demanding environmental and
electromagnetic conditions.
Confidence that systems will perform under demanding environmental and
electromagnetic conditions.
AS9100D-Certified Manufacturing
Trusted quality and supply-chain integrity, proudly built in the USA.
Trusted quality and supply-chain integrity, proudly built in the USA.
COTS + Open Standards
Faster deployment, smoother integration, and reduced risk.
Faster deployment, smoother integration, and reduced risk.
Proven Partner
Decades of collaboration with defense primes and integrators worldwide.
Decades of collaboration with defense primes and integrators worldwide.
Mission Critical Military Applications
Aerospace Applications
Connect With Our Solutions Team
Jeff Baldwin
Director of Engineering
Baldwin is versed in best practices for all aspects of complex computing designs: incorporating manufacturability, SWaP-C2 optimization, and a variety of compliance requirements related to EMI/EMC, safety and security. His project library includes over 65 industrial computer designs for leaders in defense, energy, healthcare, public safety and transportation.
Marc Foster
Central Region Sales Manager, International Sales Manager
Marc joined the Sealevel team in 2001. A proud Clemson Tiger, Marc specializes in solutions for defense and industrial automation applications, working with customers to address their specific needs.
Earle Foster
Sr. VP Sales
With over 35 years in the embedded computing industry (23 of those years with Team Sealevel!), Earle has a passion for guiding customers toward the best I/O and computing solutions, from off-the-shelf products to custom, application-specific designs.
Clay Counts
Eastern Regional Sales Manager
Clay, a Clemson graduate, leads business development for embedded computing, serial communications, and digital I/O solutions, supporting government, military, and industrial programs through requirements analysis, system design collaboration, and full lifecycle program management.
Be Agile. Be Adaptive. Stay Ready.
Sealevel’s rugged computing and I/O solutions are force multipliers—helping you accelerate readiness and maintain an operational edge at the pace of change.
Visit us at Booth #4042 during AUSA 2025 to connect with our solutions team and see how Sealevel enables dependable performance where it matters most.
About Sealevel Systems
Sealevel Systems, Inc. is an American-owned designer and manufacturer of COTS and full custom hardware and software. Our customers range from industry leaders to every major US and Allied nations military contractor.
Our 52,000 square-foot facility sits on a 17-acre site in Liberty, South Carolina. To protect electronic components during design, assembly, and testing, we have installed over 30,000 square feet of ESD tiling spanning out manufacturing, engineering, and tech support departments.
Sealevel Systems, Inc. is committed to engineering leading-edge communications solutions, manufacturing our products to the highest quality standards, growing a creative team of trailblazers, and sustaining a legacy of community investment.