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📋 '''Industry classification''' is the systematic categorization of businesses into defined sectors and sub-sectors, used throughout the insurance value chain to assess [[Definition:Risk | risk]], set [[Definition:Premium | premiums]], and manage [[Definition:Portfolio | portfolio]] concentration. Carriers and [[Definition:Reinsurer | reinsurers]] rely on classification systems—such as the Standard Industrial Classification (SIC) codes, the North American Industry Classification System (NAICS), or proprietary internal taxonomies—to group [[Definition:Policyholder | policyholders]] by the nature of their commercial activity. A manufacturer, a law firm, and a restaurant each present fundamentally different [[Definition:Loss exposure | loss exposures]], and industry classification provides the framework for recognizing those differences at scale.

⚙️ During the [[Definition:Underwriting | underwriting]] process, the industry code assigned to an applicant influences virtually every downstream decision: which [[Definition:Rating algorithm | rating algorithm]] applies, what [[Definition:Exclusion | exclusions]] or [[Definition:Endorsement | endorsements]] attach, and whether the risk falls within an insurer's [[Definition:Appetite | appetite]]. [[Definition:Workers' compensation insurance | Workers' compensation]] programs, for instance, map employers to detailed class codes that drive [[Definition:Experience rating | experience-rated]] premiums. At the portfolio level, [[Definition:Actuarial analysis | actuaries]] and [[Definition:Exposure management | exposure managers]] aggregate policies by industry to detect overconcentration—an insurer heavily weighted toward hospitality businesses, for example, would have faced acute [[Definition:Pandemic risk | pandemic-related]] losses in 2020.

🔍 Accurate classification matters far beyond pricing. [[Definition:Regulatory compliance | Regulators]] require carriers to report [[Definition:Line of business | line-of-business]] and class-level data for [[Definition:Solvency | solvency]] monitoring, and misclassification can distort [[Definition:Loss reserve | reserves]] and trigger supervisory scrutiny. In the [[Definition:Insurtech | insurtech]] space, companies increasingly enrich traditional codes with real-time data—web-scraped business descriptions, revenue breakdowns, and supply-chain mapping—to achieve more granular segmentation than legacy codes allow. The result is sharper [[Definition:Risk selection | risk selection]] and more equitable pricing for policyholders whose operations don't fit neatly into decades-old categories.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Underwriting]]
* [[Definition:Class code]]
* [[Definition:Risk selection]]
* [[Definition:Experience rating]]
* [[Definition:Exposure management]]
* [[Definition:Portfolio]]
{{Div col end}}

Definition:Industry classification - Revision history

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