English term (edited): mutual property and casualty insurance company

assicurazione mutua è un tipo di organizzazione societaria:

A mutual insurance company is an insurance company owned entirely by its policyholders. Any profits earned by a mutual insurance company are rebated to policyholders in the form of dividend distributions or reduced future premiums.
http://en.wikipedia.org/wiki/Mutual_insurance

L'assicurazione mutua si caratterizza per il fatto che un soggetto assume contemporaneamente la qualità di socio e di assicurato; esse sono disciplinate dalle norme dettate dal codice, purché compatibili con la natura speciale del rapporto.

http://www.brocardi.it/dizionario/2218.html

Property and casualty insurance is insurance that protects against property losses to your business, home or car and/or against legal liability that may result from injury or damage to the property of others. This type of insurance can protect a person or a business with an interest in the insured physical property against losses. Let's examine some of the things to look for in the different types of property/casualty insurance.

http://www.investopedia.com/university/insurance/insurance3....

The business activities of the undertakings concerned are:
- for BNP Paribas Assurance: provision of insurance services, notably savings, protection and property and casualty insurance,

Le attività svolte dalle imprese interessate sono le seguenti:
per BNP Paribas Assurance: prestazione di servizi assicurativi, in particolare assicurazione risparmio, assicurazione protezione e assicurazione proprietà e sinistri,

http://eur-lex.europa.eu/Notice.do?mode=dbl&lang=en&ihmlang=...