CSS delivers specialized cleanroom services for aerospace and other mission-critical environments. Our trained teams of employee owners safely operate high-reach industrial equipment around sensitive flight hardware and ground support equipment while maintaining strict cleanliness and contamination-control standards. 

From ongoing cleanroom maintenance and site-specific protocol development to workforce training, CSS provides the expertise needed to support safe, clean, and operationally ready facilities. 

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Worker collects sample of soil

Supervisory Support for 2025 Southern California Wildfires Response Efforts 

Long after wildfires are extinguished, ongoing efforts continue to assess long-term damage and contamination. CSS employee owners are often heavily involved in these efforts and follow up to ensure response operations do not impact the environment.  Response efforts in South California continued throughout the year following the 2025 wildfires that devastated the Los Angeles area. CSS continued to support the damage assessment through a U.S. Environmental Protection Agency…

Expanding a Popular Flood Exposure Tool

We recently assisted our client, the National Oceanic and Atmospheric Administration’s (NOAA) Office for Coastal Management, with updating one of their most popular tools, the Coastal Flood Exposure Mapper.

tractor trailers stationed in a parking lot

Emergency Response Support for the Republican National Convention

CSS employee owners on contract with the U.S. Environmental Protection Agency’s Portable High-throughput Integrated Laboratory Identification System — a mobile analytical unit known as PHILIS — provided emergency response support for the 2024 Republican National Convention. PHILIS mobile laboratory units are designed to provide onsite analysis of environmental conditions, including air and soil samples, contaminated…