Insights

Market position ISU is a specialized stop loss administrator with a long-standing presence (over 30 years) and a strategic tie to Companion Life, indicating stability and a potential for upsell of integrated stop loss and administration services to existing Companion Life clients.

Insurance tech Leveraging a tech stack that includes Wix, WordPress, Google Cloud, Sentry, and Office 365, ISU shows readiness for digital engagement, back-end claims and underwriting support, presenting opportunities to offer cybersecurity, data analytics, or cloud-based efficiency tools to optimize operations.

Regional reach Headquartered in Jacksonville with multiple U.S. sales offices (Austin, Fort Worth, Minneapolis, Orlando) suggests capacity for regional partnerships, targeted growth initiatives, and localized service enhancements to expand market share in diverse employer markets.

Growth potential Revenue range sits between 100 million and 250 million with a mid-size employee base, indicating suitability for value-add solutions such as advanced claims analytics, risk management programs, and carrier-neutral administration platforms to boost efficiency and scalability.

Client fit Focused on the stop loss segment with a carrier-centered, service-driven model, presenting cross-sell opportunities to employers seeking enhanced claims administration, underwriting support, and marketing services, particularly among mid-market and regional stop loss clients.

Similar companies to ISU

ISU Tech Stack

ISU uses 8 technology products and services including Wix, WordPress, Wix eCommerce, and more. Explore ISU's tech stack below.

Media & News

ISU's Email Address Formats

ISU uses at least 3 email formats:
ISU Email FormatsExamplePercentage
FLast@isu-inc.netJDoe@isu-inc.net
93%
Last@isu-inc.netDoe@isu-inc.net
5%
FiLast@isu-inc.netJoDoe@isu-inc.net
2%

Frequently Asked Questions

What is ISU's phone number?

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You can contact ISU'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 ISU's stock symbol?

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ISU is a publicly traded company; the company's stock symbol is TNL.

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

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ISU's official website is isu-inc.net and has social profiles on LinkedIn.

How much revenue does ISU generate?

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As of October 2026, ISU's annual revenue is estimated to be $100M - $250M.

What is ISU's NAICS code?

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ISU's NAICS code is 524 - Insurance Carriers and Related Activities.

How many employees does ISU have currently?

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As of October 2026, ISU has approximately 76 employees across 6 continents, including North America, Europe and Asia. Key team members include Broke Owner: P. S., Owner: P. K. and Marketing Director Of Scienceific Publications: ی. د. ک. Explore ISU's employee directory with LeadIQ.

What industry does ISU belong to?

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ISU operates in the Insurance industry.

What technology does ISU use?

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ISU's tech stack includes Wix, WordPress, Wix eCommerce, Google Cloud, Sentry, Zepto, Office 365 and KnowBe4.

What is ISU's email format?

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ISU's email format typically follows the pattern of FLast@isu-inc.net. Find more ISU email formats with LeadIQ.

When was ISU founded?

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ISU was founded in 1991.
ISU logo

ISU

InsuranceFlorida, United States51-200 Employees

ISU, International Specialty Underwriters, Inc., operates in the insurance sector with a focus on the stop-loss market, offering claims processing, underwriting, marketing, and administrative services. The company supports stop-loss programs nationwide through direct marketing and back-office operations. Founded in 1991, ISU became part of Companion Life in 2008 and was restructured as a division of Companion Life Insurance Company in 2020.

Headquartered in Jacksonville, Florida, ISU maintains additional sales offices in Austin and Fort Worth, Texas; Minneapolis, Minnesota; and Orlando, Florida. The organization emphasizes a detailed carrier-focused operating model and benefits from leadership with extensive industry experience across executive, underwriting, marketing, administration and claims functions.

Section iconCompany Overview

Phone number
Stock Symbol
TNL
NAICS Code
524 - Insurance Carriers and Related Activities
Founded
1991
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

    ISU's revenue is estimated to be in the range of $100M - $250M

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