We are committed to the design and manufacturing of quality critical communications hardware and software, dedicated to providing reliable products, exceptional service and on-time delivery. Our commitment is further demonstrated by our ISO 9001:2015 certification and extensive on-site testing capabilities. Every Sealevel product is American-made and tested to exceed requirements. Sealevel’s team of engineers and manufacturing technicians has experience designing and manufacturing for various military and commercial standards including MIL-STD-810, MIL-STD-461, MIL-STD-1472, MIL-STD-901, MIL-STD-464, MIL-STD-167-1, UL, CSA, FCC, CE, NEMA, IP, ATEX, CID1 and CID2.
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All processes are completed under ISO 9001:2015 and internal quality standards to ensure product reliability and reduce field failure rates.
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Sealevel’s standard security procedures include practices as outlined by CMMC and NIST 800-171. Our staff and facility are also equipped to meet specific customer requirements.
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Comprehensive test plans for all hardware and software products are developed in conjunction with Sealevel’s test and compliance engineers.
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Sealevel was founded with a commitment to long-term availability and continues to build and support products for the life of your project.
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Our engineering, master planning, manufacturing and procurement teams work together to maintain long-term access to components and manage our inventory accordingly.

Our Location
Sealevel was founded in 1986 with a commitment to American labor: Our manufacturing facility is co-located with our headquarters in Liberty, South Carolina. Unlike competitors, Sealevel has never relocated manufacturing outside of the USA, maintaining our rigorous control and quality standards.
More than a Manufacturer
Sealevel delivers over 35 years of precision engineering design, system integration and comprehensive testing. Whether you need a turnkey design from concept to production or quality assembly, talk to the team that’s more than a manufacturer.