SSE Information
Summary
SSE is a private company that has been in the industry for 60 years. The company currently specializes in the Information Technology and Services, IT Services, IT Consulting, Cybersecurity, Cloud Computing areas. The position of the President & CEO is occupied by Elizabeth Elliott Niedringhaus. Its headquarters is located at Saint Louis, Missouri, USA. The number of employees ranges from 1.0K to 5.0K. The annual revenue of SSE varies between 100M and 500M. To connect with SSE employee register on SignalHire.
Organization Website | sseinc.com |
Social Links |    |
Phone Number | 314-439-4700 |
Industries | |
Headquarters Location | 9666 Olive Blvd, St Louis, Missouri, 63132 US |
Employees Size | 200-500 employees |
Specialties | Front-End Analysis, IT Security, Courseware Development, Disaster/Recovery Planning, Courseware Revisions & Maintenance, Managed IT Services, Network Monitoring, Cloud Services, Cybersecurity, CMMC, Registered Practitioner Organization, Defense Contractor |
SIC Code | 7380, 8742 |
DMA Code | Greater St. Louis Metropolitan Area |
Founded | 1966 |
Estimated Annual Revenue | $100M - 500M |
Operating Status | Independent Company |
Competitors
Founded | Type | Employees | Revenue | Funding | |
|---|---|---|---|---|---|
| 1988 | Public Company | 10K - 50K | 18.1B | $21.4B | |
| 1869 | Public Company | 10K - 50K | 55.6B | $16B | |
| 2003 | Privately Held | 500 - 1.0K | 65M | $46M | |
| 2003 | Privately Held | 25 - 100 | 8M | $150K |
Employees Turnover 4 quarter 2025
Number of employees switched from or switched to
Number of employees by department
Length of Employment
Employee tenure at SSE shows a diverse range of experience levels:
1% have been with the company for less than 1 year3% for 1–2 years3% for 3–4 years13% for 5–7 years8% for 8–10 years71% have over 11 years of service at SSEEx-employees positions
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