Insights

DoD Focus SSE specializes in Department of Defense contracting and cybersecurity compliance, indicating strong potential for expanded security services, CMMC readiness assessments, and ongoing compliance support for other defense contractors and suppliers within the DoD ecosystem.

CMMC Excellence Achieving a perfect 110 on the CMMC Level 2 certification signals a best-in-class capability in regulated cybersecurity practices, presenting an opportunity to position SSE as a trusted advisor to mid-market clients seeking rigorous security maturity and certification readiness.

SMB Niche As a WOSB serving small to medium-sized businesses with tailored IT, cybersecurity, and training solutions, SSE can target fast-growing SMEs in regulated sectors that require scalable, compliant IT services and DoD-aligned data protection.

Regulatory Roadmap SSE’s alignment with NIST 800-171 and forward-looking CMMC planning suggests a value proposition for organizations accelerating compliance programs, including gap assessments, remediation guidance, and continuous monitoring.

Tech Stack Leverage Existing tools like CrowdStrike, Active Directory, Microsoft 365, and Citrix enable cross-sell of managed security services, identity and access management, cloud security, and user training to enhance overall cybersecurity posture for clients.

Similar companies to SSE

SSE Tech Stack

SSE uses 8 technology products and services including Microsoft Clarity, WordPress, Microsoft SQL Server, and more. Explore SSE's tech stack below.

Media & News

SSE's Email Address Formats

SSE uses at least 3 email formats:
SSE Email FormatsExamplePercentage
First.Last@sseinc.comJohn.Doe@sseinc.com
94%
FirstLast@sseinc.comJohnDoe@sseinc.com
4%
Last@sseinc.comDoe@sseinc.com
2%

Frequently Asked Questions

What is SSE's phone number?

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You can contact SSE's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SSE's stock symbol?

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SSE is a publicly traded company; the company's stock symbol is ESNT.

What is SSE's official website and social media links?

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SSE's official website is sseinc.com and has social profiles on LinkedIn.

How much revenue does SSE generate?

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As of October 2026, SSE's annual revenue is estimated to be $500M - $1B.

What is SSE's NAICS code?

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SSE's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does SSE have currently?

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As of October 2026, SSE has approximately 817 employees across 6 continents, including Europe, North America and Asia. Key team members include Chief Executive Officer: D. G., CEO: S. P. and Ceo: X. X. Explore SSE's employee directory with LeadIQ.

What industry does SSE belong to?

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SSE operates in the IT Services and IT Consulting industry.

What technology does SSE use?

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SSE's tech stack includes Microsoft Clarity, WordPress, Microsoft SQL Server, Microsoft 365, CrowdStrike, Microsoft Active Directory, LiveChat and Citrix.

What is SSE's email format?

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SSE's email format typically follows the pattern of First.Last@sseinc.com. Find more SSE email formats with LeadIQ.

When was SSE founded?

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SSE was founded in 1966.
SSE logo

SSE

IT Services and IT ConsultingMissouri, United States501-1000 Employees

SSE is an information technology services and consulting firm that provides IT systems support, cybersecurity compliance, and training and data-management services, with a focus on contracts with the Department of Defense. It operates as a Women-Owned Small Business based in St. Louis, Missouri, and serves clients across all 50 states. The organization has ISO 9001:2015 certification and was established in 1966 by Susan S. Elliott, reflecting a long-standing commitment to structured processes and quality management.

The company targets small and mid-sized organizations needing regulated IT capabilities and data security controls, helping them address standards such as NIST 800-171 and, looking ahead, CMMC requirements. As a DoD contractor, SSE maintains its own networks in line with evolving regulatory expectations and extends that disciplined approach to its clients’ systems. In November 2024, SSE completed a Joint Surveillance Assessment with a C3PAO and DIBCAC and achieved a perfect score on its CMMC Level 2 certification, illustrating its demonstrated compliance maturity.

Section iconCompany Overview

Phone number
Website
sseinc.com
Stock Symbol
ESNT
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
1966
Employees
501-1000

Section iconFunding & Financials

  • $500M - $1B

    SSE's revenue is estimated to be in the range of $500M - $1B

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