Scientific Minds. Common Sense Solutions.
An Employee-Owned Company
CSS is an employee-owned, science-based solutions company supporting the U.S. government and commercial clients. Since the 1980s, we have supported more than 28 federal agencies and numerous administrations, providing scientific expertise in a myriad of disciplines. Our technical experience ranges from the depths of the Earth’s oceans to the International Space Station.
Throughout our history, we have responded to some of the nation’s biggest science challenges. In each case we were tasked with developing novel protocols, recruiting, hiring, and training numerous staff, deploying people and equipment, collecting vital data, and helping our clients respond to critical problems.
Our long history of rapid response, novel methods development, personnel and equipment logistics, and can-do attitude has earned us the reputation as problem solvers.
CSS is a 100%
Employee-Owned Company
Learn more about our Employee Stock Option Plan
Featured Services

Become an
Employee-Owner!
CSS is looking for qualified candidates to work on current contracts and contracts to be awarded in the near future. We offer competitive salaries and an excellent employee benefits package, including comprehensive health benefits, life insurance, and participation in a 401(k) retirement plan and Employee Stock Ownership Plan (ESOP).
Featured Projects

Supporting EPA’s Emergency Response Efforts following Hurricane Harvey
CSS staff served as lead technical advisors on a multi-agency environmental response team after Hurricane Harvey.

Space Life Sciences Lab (SLSL)
CSS delivers onsite Operations, Facility, IT, and Health & Safety oversight for the Space Life Sciences Laboratory (SLSL).

Analytical Chemistry Support for the US EPA National Aquatic Resource Survey
CSS chemically analyzes hundreds of water samples collected annually from the US EPA’s National Aquatic Resource Survey (NARS), a critical contribution to the EPA assessments of the condition of the nation’s water bodies.