What departments does CSS have?

CSS has employees across 10 departments including Human Resources, Business Development, Information Technology, Program & Project Management, Military & Protective Services.

What is the largest department at CSS?

The largest department at CSS is Program & Project Management with 4 employees.

Where are CSS employees located globally?

CSS has employees across 5 continents and 10 countries including South Africa, Pakistan, Indonesia, India, China.

How has CSS's team size changed over time?

CSS's team has decreased from approximately 155 to 120 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
170

United States Of America
169
Panama
1

Asia
4

Pakistan
1
Indonesia
1
India
1
China
1

Europe
2

United Kingdom Of Great Britain And Northern Ireland
1
Romania
1

Africa
1

South Africa
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

Location

Last Update

L. G.
Senior Program Manager
Mobile Phone
Email
Oct 16, 2024
L. F.
Security Manager
Mobile Phone
Email
Oct 18, 2024
M. A.
Branch Manager Manager Service Manager Service Manager
Mobile Phone
Email
Oct 17, 2024
P. F.
Plant Manager
Mobile Phone
Email
Oct 22, 2024
S. R.
Senior Program Manager
Mobile Phone
Email
Oct 22, 2024
S. R.
Senior Program Manager
Mobile Phone
Email
Oct 22, 2024
M. C.
Senior Data Scientist
Mobile Phone
Email
Apr 15, 2026
R. F.
Estuarine System Scientist
Mobile Phone
Email
Sep 16, 2026
J. E.
Industrial Hygienist
Mobile Phone
Email
Jul 09, 2026
J. C.
Coastal Management Specialist
Mobile Phone
Email
Oct 19, 2025

Frequently Asked Questions

What is CSS known for?

CSS was founded in 1988 and operates in the Environmental Services industry. You can contact CSS's 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 FLast@css-dynamac.com. 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 August 2026. These team members are located across 5 continents, including North America, Asia and Europe.

Who are CSS's key employees and leadership?

As of August 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.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

CSS Employee Directory

Find CSS employees' phone numbers or email addresses

Name search is limited — try advanced search instead