Insights

US Rugged Advantage Sealevel's decades of USA-based design and manufacturing, along with AS 9100D and ISO 9001:2015 certifications, position the company as a trusted supplier for defense, aerospace, and industrial automation projects that demand compliance and domestic supply.

High-Port Converters Multi-port RS-232/RS-422/RS-485 PCI serial interfaces enable OEMs and system integrators to retrofit or expand legacy equipment in manufacturing, control systems, and data capture applications.

Edge Compute Focus Relio R1 Edge Industrial Computer and Flexio fanless rugged solutions cater to rugged edge computing needs in harsh environments, presenting opportunities with industrial automation and machine builders requiring reliable near-edge processing.

Defense Outreach Active participation in AUSA, AFCEA/USNI WEST, and WEST shows demonstrates a strategy to engage defence primes and government programs; leverage Made in USA and aerospace certifications to win bids.

Local Support US-based engineering, manufacturing, and support, plus CRM and e-commerce capabilities, enable scalable direct-to-customer and channel partnerships with system integrators and distributors seeking dependable, long-term supplier relationships.

Sealevel Systems Tech Stack

Sealevel Systems uses 8 technology products and services including ISO 9001, WooCommerce, Microsoft Excel, and more. Explore Sealevel Systems's tech stack below.

  • ISO 9001
    Certificates
  • WooCommerce
    E-commerce
  • Microsoft Excel
    Editors
  • Swiper
    Javascript Libraries
  • Lightbox
    Javascript Libraries
  • HubSpot
    Marketing Automation
  • DHL
    Transportation And Fleet Management
  • HTTP/3
    Web & Portal Technology

Media & News

Sealevel Systems's Email Address Formats

Sealevel Systems uses at least 1 format(s):
Sealevel Systems Email FormatsExamplePercentage
First.Last@sealevel.comJohn.Doe@sealevel.com
67%
FirstL@sealevel.comJohnD@sealevel.com
23%
Last@sealevel.comDoe@sealevel.com
8%
F.Last@sealevel.comJ.Doe@sealevel.com
2%

Frequently Asked Questions

Where is Sealevel Systems's headquarters located?

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Sealevel Systems's main headquarters is located at 2779 Greenville Highway po Box 830 Liberty, South Carolina 29657 United States. The company has employees across 3 continents, including North AmericaEuropeAsia.

What is Sealevel Systems's phone number?

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You can contact Sealevel Systems's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Sealevel Systems's official website and social media links?

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Sealevel Systems's official website is sealevel.com and has social profiles on LinkedIn.

What is Sealevel Systems's NAICS code?

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Sealevel Systems's NAICS code is 3341 - Computer and Peripheral Equipment Manufacturing.

How many employees does Sealevel Systems have currently?

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As of June 2026, Sealevel Systems has approximately 82 employees across 3 continents, including North AmericaEuropeAsia. Key team members include Ceo & Founder: T. O.Ceo And Owner: K. M.Ceo: T. O.. Explore Sealevel Systems's employee directory with LeadIQ.

What industry does Sealevel Systems belong to?

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Sealevel Systems operates in the Computer Hardware Manufacturing industry.

What technology does Sealevel Systems use?

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Sealevel Systems's tech stack includes ISO 9001WooCommerceMicrosoft ExcelSwiperLightboxHubSpotDHLHTTP/3.

What is Sealevel Systems's email format?

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Sealevel Systems's email format typically follows the pattern of First.Last@sealevel.com. Find more Sealevel Systems email formats with LeadIQ.

When was Sealevel Systems founded?

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Sealevel Systems was founded in 1986.

Sealevel Systems

Computer Hardware ManufacturingSouth Carolina, United States51-200 Employees

Sealevel Systems designs and manufactures rugged embedded computing and industrial I/O solutions for mission-critical applications. The company serves defense, aerospace, and industrial automation markets, delivering reliable performance under demanding standards. Based in Liberty, South Carolina, it designs, manufactures, and supports its products in the United States, drawing on more than four decades of experience. 

Operating in the computer hardware manufacturing industry, Sealevel focuses on rugged edge and industrial computing solutions for demanding environments. It holds AS 9100D and ISO 9001:2015 certifications, underscoring its commitment to quality management and accountability. In 2026, the company participated in Automate 2026, highlighting its breadth of industrial hardware solutions and its work helping engineers connect machines, capture data, and control systems at the edge.

Section iconCompany Overview

Headquarters
2779 Greenville Highway po Box 830 Liberty, South Carolina 29657 United States
Phone number
NAICS Code
3341 - Computer and Peripheral Equipment Manufacturing
Founded
1986
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    Sealevel Systems's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    Sealevel Systems's revenue is estimated to be in the range of $100M$250M

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