What departments does CSS have?

CSS has employees across 10 departments including Entrepreneurship, Human Resources, Business Development, Information Technology, Operations.

What is the largest department at CSS?

The largest department at CSS is Human Resources with 3 employees.

Where are CSS employees located globally?

CSS has employees across 3 continents and 7 countries including China, Indonesia, India, United States Of America, Panama.

How has CSS's team size changed over time?

CSS's team has decreased from approximately 155 to 117 employees based on available data.

CSS Employee Directory

Q: Who are CSS's key employees and leadership?

CSS's key employees include: Chief Executive Officer: K. H., Vice President Business Development: C. G..

Environmental ServicesVirginia, United States201-500 Employees

Based in Fairfax, Virginia, CSS is an environmental services firm offering specialized support across science programs, environmental health and safety, environmental compliance and management, transportation safety and security, and emergency response and disaster recovery. The company applies science and technology to pursue a healthier, safer, and more environmentally sustainable future. It serves more than 20 federal agencies and numerous state and regional clients, handling engagements ranging from quick-response tasks to large, long-term programs involving multiple subcontractors. CSS has established public-private partnerships to meet national needs while supporting economic development and minimizing Federal expenditures. With a mid-sized footprint and sophisticated management systems, the firm emphasizes reliable, timely, and cost-effective outcomes, complemented by educational outreach and multiagency collaborations and dual-use technology development.

CSS Global Highlights

North America
176

United States Of America
174
Panama
1
Canada
1

Asia
3

China
1
Indonesia
1
India
1

Oceania
1

Australia
1

CSS's Leadership

K. H.
Chief Executive Officer
Mobile Phone
Email
C. G.
Vice President Business Development
Mobile Phone
Email
B. M.
Vice President, Human Resources
Mobile Phone
Email
J. L.
Vice President
Mobile Phone
Email
R. E.
Senior Vice President, Space Programs
Mobile Phone
Email
M. M.
Information Technology Director
Mobile Phone
Email
C. J.
Programs Manager
Mobile Phone
Email
C. M.
Manager
Mobile Phone
Email

CSS Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Biotechnology
Healthcare Services
Operations
Analytics
Other
Arts & Design

Contact profiles from CSS

Name

Title

Contact Info

Location

Last Update

K. H.
Chief Executive Officer
Mobile Phone
Email
Oct 23, 2024
B. M.
Vice President, Human Resources
Mobile Phone
Email
Jun 07, 2026
C. G.
Vice President Business Development
Mobile Phone
Email
Oct 23, 2024
J. L.
Vice President
Mobile Phone
Email
Oct 18, 2024
R. E.
Senior Vice President, Space Programs
Mobile Phone
Email
Oct 18, 2024
M. M.
Information Technology Director
Mobile Phone
Email
Oct 23, 2024
C. J.
Programs Manager
Mobile Phone
Email
Oct 18, 2024
C. M.
Manager
Mobile Phone
Email
Oct 22, 2024
F. H.
General Manager
Mobile Phone
Email
Oct 23, 2024
J. B.
Project Manager And Senior Scientist And Business Development
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is CSS known for?

CSS was founded in 1988 operates in the Environmental Services industry; you can contact the main corporate office by phone at

+1-703-691-****

. Explore CSS's company overview page for more information.

What is CSS's most common email format?

CSS employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more CSS email formats with LeadIQ.

How many employees does CSS have currently?

CSS has approximately 247 employees as of July 2026. These team members are located across 3 continents, including North AmericaAsiaOceania.

Who are CSS's key employees and leadership?

As of July 2026, CSS's key employees include:

Chief Executive Officer: K. H.
Vice President Business Development: C. G.
Vice President, Human Resources: B. M.
Vice President: J. L.
Senior Vice President, Space Programs: R. E.

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CSS Employee Directory

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