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About Us

Founded in 1985, Plexus is an employee-owned small business that provides Environmental Remediation Services, Business and IT Solutions, Energy and Sustainable Solutions, Safety Services, and Nuclear Solutions.


Plexus is among a distinguished group of small business consultants with certifications in both CMMI Level 3 and ISO 9001:2015. Our clients depend on our products that range from our Program Performance Manager software to the Expray Explosive Detection kit.


Plexus has supported all branches of the U.S. military and DoD agencies, the Department of Homeland Security, Civilian agencies across the federal government, as well as state and local governments and industry clients.


Contact Plexus Scientific for remediation system design, performance management solutions, compliance solutions, strategic sustainability planning, nuclear safety, and safety management services. We are a small business under a variety of NAICS codes, including:



511210 Software Publishers

518210 Data Processing, Hosting and Related Services

519130 Internet Publishing and Broadcasting and Web Search Portals

541330 Engineering Services

541511 Custom Computer Programming Services

541512 Computer Systems Design Services

541513 Computer Facilities Management Services

541519 Other Computer Related Services

561210 Facilities Support Services

562910 Remediation Services

237110 Water and Sewer Line and Related Structures Construction

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