Start Free Trial
Pricing
Log In
Log In
Upgrade browser for full Crunchbase experience. You're accessing Crunchbase in a browser that is no longer supported.
Learn More
CSC Logo
CSC Growth Score
78
CB Rank
316727
Heat Score
44
CSC provides environmental compliance services to protect the health of people and the environment effected from toxic compounds.
Acquired by
J.S. Held Logo
J.S. Held
Founded
obfuscation
Private Chatsworth, California, United States11-50 www.csceng.com/
Consulting
Environmental Consulting
Public Safety
Overview

CSC
Growth Score
78
Heat Score
44

Growth Score78
-9 pts
in past quarter
Heat Score 44
1 pts
in past quarter

Company Performance Metrics

Score
Trend
AI Content may contain mistakes and is not legal, financial or investment advice.Learn more.
Growth Score - The measure of growth based on company activity, operational metrics, and investments
Growth Trend - The change in the growth score over the given time period
Heat Score - The measure of the market interest, media activity, and Crunchbase profile activity
Heat Trend - The change in the heat score over the given time period
Learn More >
See more interactive data and historical milestones on desktop for the best experience

About CSC

CB Rank
316727
CSC provides environmental compliance services to protect the health of people and the environment effected from toxic compounds.
Acquired by
J.S. Held Logo
J.S. Held
Founded
obfuscation
Private Chatsworth, California, United States11-50 www.csceng.com/
Consulting
Environmental Consulting
Public Safety

Key People

Details

Legal Name Clark Seif Clark Inc
Also Known As Clark Seif Clark
Operating Status Active
Company Type For Profit
Founders  Franco Seif
Phone Number +1-800-807-1118
Contact Email info@csceng.com
Predictions & Insights

Growth Prediction

See this Growth Prediction

Unlock More with Crunchbase Pro
  • Full access to financial & funding data on unlimited profiles
  • Export up to 2k results/month for analysis
  • Track market signals on competitors, products, and R&D
  • Preview private company insights and predictions
Financials

M&A Details

CSC was acquired by J.S. Held on
obfuscation
.
Transaction Name 
CSC acquired by J.S. Held Logo
CSC acquired by J.S. Held
Acquired by 
J.S. Held Logo
J.S. Held
Announced Date 
obfuscation
Market Intelligence
People
View Profiles & Contacts
Headcount 11-50 Employee Profiles 1 Contacts 27

Employee Profiles

News

News and Press

News•May 12, 2026
obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated
News•Mar 31, 2026
obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated
News•Dec 3, 2025
obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated
News•Nov 3, 2025
obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated obfuscated
Access a complete feed of recent news and press, from product launches to leadership changes.
Technology
View Tech Report

Monthly Web Visits

1,007
-30.31%
 in past month

Interest Signals

TopicSurge Score
Mission Assurance Logo
Mission Assurance
95
Google Files Logo
Google Files
89
Product Launch Logo
Product Launch
88

Active Website Tech Count

65CSC is actively using 65 technologies for its website, according to BuiltWith. These include Apple Mobile Web Clips Icon, Google Tag Manager, and  HSTS.
Sub-Organizations
Frequently Asked Questions

Where is CSC's headquarters? CSC is located in Chatsworth, California, United States.Who are CSC's competitors? Alternatives and possible competitors to CSC may include AECOM, Jacobs, and  Stantec.
Who We Are
What We Do
Helpful Links
AI Content may contain mistakes and is not legal, financial or investment advice. Learn more.
Terms of Service | Privacy Policy | Sitemap | © 2026 Crunchbase Inc. All Rights Reserved.
(3ccf175 1)
|