Insights

Market Expansion Potential ISU's nationwide marketing efforts and multiple sales offices across Texas, Minnesota, and Florida indicate an opportunity to offer tailored insurance solutions, marketing tools, or operational support to expand their client base and improve market penetration.

Technology Integration Needs With a tech stack that includes React, PHP, and Onsen UI, ISU may be interested in advanced software solutions, automation tools, or cybersecurity services to enhance their claims processing, underwriting, and client servicing capabilities.

Growth and Acquisition Strategies As a subsidiary within Companion Life and focused on growth, ISU could benefit from financial consulting, risk management, or strategic partnership services that support their ongoing restructuring and long-term expansion goals.

Operational Enhancement Opportunities ISU’s emphasis on a detailed carrier business model and customer-centric approach presents opportunities for workflow optimization, data analytics solutions, or employee training programs that can further elevate service quality and operational efficiency.

Industry Collaboration Potential Given ISU’s experience in the stop loss industry and their engagement in white paper marketing, they could be receptive to partnerships or technology collaborations with firms specializing in insuretech, claims automation, or digital marketing to differentiate themselves further in a competitive market.

International Specialty Underwriters, Inc. Tech Stack

International Specialty Underwriters, Inc. uses 8 technology products and services including Wix, Sentry, Polyfill, and more. Explore International Specialty Underwriters, Inc.'s tech stack below.

  • Wix
    Content Management System
  • Sentry
    Issue Trackers
  • Polyfill
    Javascript Libraries
  • Envoy
    Load Balancers
  • WordPress.com
    Platform As A Service
  • PHP
    Programming Languages
  • HSTS
    Security
  • Bootstrap
    UI Frameworks

Media & News

International Specialty Underwriters, Inc.'s Email Address Formats

International Specialty Underwriters, Inc. uses at least 1 format(s):
International Specialty Underwriters, Inc. Email FormatsExamplePercentage
FLast@isu-inc.netJDoe@isu-inc.net
48%
Last@isu-inc.netDoe@isu-inc.net
3%
FiLast@isu-inc.netJoDoe@isu-inc.net
1%
FLast@isu-inc.netJDoe@isu-inc.net
48%

Frequently Asked Questions

Where is International Specialty Underwriters, Inc.'s headquarters located?

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International Specialty Underwriters, Inc.'s main headquarters is located at 10199 Southside Boulevard Suite 205 Jacksonville, Florida United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is International Specialty Underwriters, Inc.'s phone number?

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You can contact International Specialty Underwriters, Inc.'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 International Specialty Underwriters, Inc.'s stock symbol?

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International Specialty Underwriters, Inc. is a publicly traded company; the company's stock symbol is TNL.

What is International Specialty Underwriters, Inc.'s official website and social media links?

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International Specialty Underwriters, Inc.'s official website is isu-inc.net and has social profiles on LinkedIn.

How much revenue does International Specialty Underwriters, Inc. generate?

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As of March 2026, International Specialty Underwriters, Inc.'s annual revenue is estimated to be $2M.

What is International Specialty Underwriters, Inc.'s NAICS code?

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International Specialty Underwriters, Inc.'s NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does International Specialty Underwriters, Inc. have currently?

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As of March 2026, International Specialty Underwriters, Inc. has approximately 76 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Vice President Of Marketing: E. F.Vice President Of Marketing: M. J.President: J. C.. Explore International Specialty Underwriters, Inc.'s employee directory with LeadIQ.

What industry does International Specialty Underwriters, Inc. belong to?

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International Specialty Underwriters, Inc. operates in the Insurance industry.

What technology does International Specialty Underwriters, Inc. use?

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International Specialty Underwriters, Inc.'s tech stack includes WixSentryPolyfillEnvoyWordPress.comPHPHSTSBootstrap.

What is International Specialty Underwriters, Inc.'s email format?

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International Specialty Underwriters, Inc.'s email format typically follows the pattern of FLast@isu-inc.net. Find more International Specialty Underwriters, Inc. email formats with LeadIQ.

When was International Specialty Underwriters, Inc. founded?

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International Specialty Underwriters, Inc. was founded in 1991.

International Specialty Underwriters, Inc.

InsuranceFlorida, United States51-200 Employees

Founded in 1991, International Specialty Underwriters, Inc. (ISU), provides exceptional service to the stop loss industry, including claims, underwriting, marketing and administration. ISU became part of Companion Life in 2008. This has allowed ISU to integrate the corporate structure model needed to sustain success and growth in a changing marketplace while providing the service and flexibility of the MGU entrepreneur model.  In 2020, ISU was restructured to a division of Companion Life Insurance Company. 

Our commitment to Excellence in Service, People, and Product is what continues to guide our success in the industry. Our employees are committed to providing this excellence in everything we do, every day. We strive to understand the goals and business models of each client to support them with parallel strategies to meet common goals and objectives.

ISU takes pride in its detail-oriented Carrier Business Model, created to understand the internal operational, financial, marketing strategies and goals it needed to standout from competition and better service clients. The company currently markets, underwrites and services stop loss clients nationwide via direct marketing and as a backroom/white paper operation. 

With more than 30 years average combined industry experience among each of its elite management staff, ISU provides clients with distinctive executive, underwriting, marketing, administration and claims competence. 

Today, ISU is headquartered in Jacksonville, Fla. 

Sales Offices:
- Austin, TX
- Fort Worth, TX
- Minneapolis, MN
- Orlando, FL

To learn more, please visit www.isu-inc.net or give us a call at (904) 281-2151.

Section iconCompany Overview

Headquarters
10199 Southside Boulevard Suite 205 Jacksonville, Florida United States
Phone number
Stock Symbol
TNL
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1991
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    International Specialty Underwriters, Inc.'s revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    International Specialty Underwriters, Inc.'s revenue is estimated to be in the range of $100M$250M

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