Insights

DoD Focus SSE specializes in Department of Defense contracting and cybersecurity compliance, with a DoD contractor background and CMMC Level 2 certification. This positions SSE to pursue expansion within federal and defense-related programs that require rigorous security controls and ongoing compliance.

Compliance Maturity As an ISO 9001:2015 certified organization with documented processes and quality solutions, SSE can leverage its mature governance to win new multi-site or highly regulated client engagements, offering assurance on delivery and risk management.

Security Stack SSE's tech portfolio including SentinelOne, Windows Server, Hyper-V and related tools indicates capability in endpoint protection and infrastructure management. This provides cross-sell opportunities for extended cybersecurity services, managed IT, and regulatory readiness assessments.

SMB Federal Fit Targeting small to mid-sized businesses across all 50 states, SSE can scale its DoD and cybersecurity offerings to mid-market organizations seeking compliant IT and training solutions, including data protection, policy development, and staff training.

Growth Readiness With established processes and a track record of regulatory alignment, SSE is well-positioned to partner with systems integrators or defense-focused primes to bid on large federal IT and cybersecurity initiatives, expanding bid opportunities and channel partnerships.

SSE Tech Stack

SSE uses 8 technology products and services including Calendly, CATIA, oEmbed, and more. Explore SSE's tech stack below.

  • Calendly
    Appointment Scheduling
  • CATIA
    Cad & Graphics
  • oEmbed
    Dev Tools
  • SentinelOne
    Endpoint Protection
  • Dell
    IT Infrastructure
  • SharpSpring
    Marketing Automation
  • Windows Server
    Operating Systems
  • Microsoft Hyper-V
    Virtualisation Software

Media & News

SSE's Email Address Formats

SSE uses at least 1 format(s):
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.

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 July 2026, SSE has approximately 804 employees across 6 continents, including North AmericaEuropeAsia. Key team members include CEO: D. A.Chief Executive Officer: D. G.CEO: S. P.. 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 CalendlyCATIAoEmbedSentinelOneDellSharpSpringWindows ServerMicrosoft Hyper-V.

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

Section iconFunding & Financials

  • $500M$1B

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

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