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CSSI Logo
CSSI Growth Score
83
CB Rank
238199
Heat Score
59
CSSI is an aviation and aerospace company that offers technical, engineering, modelling, simulation, and management solutions.
Acquired by
Proteus Digital Health Logo
Proteus Digital Health
Founded
obfuscation
Private Washington, District of Columbia, United States101-250 www.cssiinc.com
Aerospace
Information Technology
Manufacturing
Overview

CSSI
Growth Score
83
Heat Score
59

Growth Score83
-9 pts
in past quarter
Heat Score 59
-9 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 >
Recent Milestones
Raised Funding Round
Jan 1, 1970
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See more interactive data and historical milestones on desktop for the best experience

About CSSI

CB Rank
238199
CSSI is an aviation and aerospace company that offers technical, engineering, modelling, simulation, and management solutions.
Acquired by
Proteus Digital Health Logo
Proteus Digital Health
Founded
obfuscation
Private Washington, District of Columbia, United States101-250 www.cssiinc.com
Aerospace
Information Technology
Manufacturing

Key People

Details

Legal Name CSSI Inc
Operating Status Active
Company Type For Profit
Phone Number +1 202 600 7600
Contact Email bizdev@cssiinc.com
Predictions & Insights

Growth Prediction

See this Growth Prediction
Top Contributing Factors
Key Employee Changes

Products & Services

Reduced Vertical Separation Minimum (RVSM) Monitoring Services
Provides monitoring flights and equipment to ensure aircraft comply with RVSM standards for safe operation between flight levels 29,000 and 41,000 feet.
Systems Engineering Services
Delivers systems engineering support including architecture, requirements, design, verification, and integration for aviation and defense systems.

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Financials

M&A Details

CSSI was acquired by Proteus Digital Health on
obfuscation
.
Transaction Name 
CSSI acquired by Proteus Digital Health Logo
CSSI acquired by Proteus Digital Health
Acquired by 
Proteus Digital Health Logo
Proteus Digital Health
Announced Date 
obfuscation
Market Intelligence
People
View Profiles & Contacts
Headcount 101-250 Employee Profiles 2 Contacts 157

Employee Profiles

News

News and Press

News•Apr 10, 2026
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News•Feb 18, 2026
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News•Oct 2, 2024
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News•Jun 5, 2023
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Access a complete feed of recent news and press, from product launches to leadership changes.
Technology
View Tech Report

Monthly Web Visits

499
-10.73%
 in past month

IT Spend

$2.9MThis year, CSSI is projected to spend $2.9M on IT, according to Aberdeen.

Interest Signals

TopicSurge Score
Carrier Diversification Logo
Carrier Diversification
100
Autodesk VRED Logo
Autodesk VRED
100
COBOL Conversion Logo
COBOL Conversion
100

Actively Used Products

18CSSI uses 18 technology products and services including HTML5, Office 365, and  GoDaddy, according to G2 Stack.

Active Website Tech Count

36CSSI is actively using 36 technologies for its website, according to BuiltWith. These include SSL by Default, HSTS, and  Apple Mobile Web Clips Icon.
Sub-Organizations
Frequently Asked Questions

Where is CSSI's headquarters? CSSI is located in Washington, District of Columbia, United States.Who are CSSI's competitors? Alternatives and possible competitors to CSSI may include Booz Allen Hamilton, SAIC, and  Jacobs.
Who We Are
What We Do
Helpful Links
AI Content may contain mistakes and is not legal, financial or investment advice. Learn more.
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