HCC Insurance Holdings, Inc.
Insurance holding company consisting of life, property and casualty insurance companies, underwriting agencies and intermediaries. (NYSE: HCC)
http://www.hcch.com/

AmerUs Group
Engaged in the business of marketing, underwriting and distributing life insurance and annuity products throughout the USA. Includes information for investors and about the company and its subsidiaries.
http://www.amerus.com/

Ohio Casualty Corporation
The holding company of The Ohio Casualty Group of insurance companies. Annual reports, shareholder information, bond ratings, and financial information.
http://www.ocas.com/corporate/

StanCorp Financial Group, Inc.
Owns companies which provide insurance and retirement products for groups and individuals throughout the USA. Site describes the company, lists its subsidiaries, and includes news and investor information.
http://www.stancorpfinancial.com/

Allianz Group
An insurance group with over 70 subsidiaries writing business in over 50 countries. Offers both life and non-life products, banking, and other financial products. [English, German]
http://www.allianzgroup.com/

Fairfax Financial Holdings Limited
A financial services holding company which, through its subsidiaries, is engaged in property, casualty and life insurance and reinsurance, investment management and insurance claims management.
http://www.fairfax.ca/

Fortis
An international group of many European and US companies operating in the fields of insurance and financial services. Includes list of internet sites for its subsidiaries. [English, French, Dutch]
http://www.fortis.com/

UnitedHealth Group
Parent to managed care and benefits organizations such as UnitedHealthcare, United Behavioral Health, and Uniprise. Site describes businesses and offers investor information.
http://www.unitedhealthgroup.com/

AEGON N.V.
The holding company of the AEGON Group. Offers full range of life, accident, health and general insurance; and performs residential mortgage financing and other financial services. Investor information. (NYSE: AEG)
http://www.aegon.com/

Argonaut Group, Inc.
Holding company with subsidiaries which sell, underwrite and service workers compensation and other lines of property-casualty insurance such as commercial multiple peril coverage. (Nasdaq: AGII)
http://www.argonautgroup.com/

Capital Title Group, Inc.
Holding company with subsidiaries which operate independent title insurance agency and escrow business in Arizona. (Nasdaq: CTGI).
http://www.capitaltitlegroup.com/

Capitol Transamerica Corporation
Holding company with subsidiaries which underwrite property, casualty, fidelity and surety insurance. (Nasdaq: CATA).
http://www.captrans.com/

CCC Information Services Group Inc.
Holding company with subsidiary which supplies automobile claims information and processing services, claims management software and communications services which enable automobile insurance company and collision repair facility customers to improve efficiency, manage costs and increase consumer satisfaction in the management of automobile claims and restoration. (Nasdaq: CCCG).
http://www.cccis.com/

Cincinnati Financial Corporation
Holding company with subsidiaries which underwrite fire, automobile, casualty and other related forms of insurance. (Nasdaq: CINF).
http://www.cinfin.com/

Cumberland Technologies Inc.
Holding company with subsidiaries which underwrite property and casualty insurance, surety bonds and reinsurance. (Nasdaq: CUMB).
http://www.cumberlandtech.com/

Harleysville Group Inc.
Holding company with subsidiaries which underwrite property and casualty insurance. (Nasdaq: HGIC).
http://www.harleysvillegroup.com/

HealthAxis Inc.
Holding company with subsidiaries which provide group life, accidental death and dismemberment, short-term liability, medical coverage, vision care, long-term disability benefits, group annuities, and group deposit administration plans. (Nasdaq: HAXS).
http://www.healthaxis.com/

Jeffersonville Bancorp
Bank holding company with subsidiary which performs commercial banking operations, mortgage banking, and credit card services. (Nasdaq: JFBC).
http://www.jeffbank.com/

LabOne, Inc. New
Holding company with subsidiaries which provide insurance laboratory testing, insurance policy administration and underwriting services, telephone inspections, motor vehicle reports, attending physician statements, and claims investigation services to life and health insurers nationwide, as well as to clinics. (Nasdaq: LABS).
http://www.labone.com/

MEEMIC Holdings, Inc.
Holding company with subsidiary which offers personal lines insurance primarily to educational employees and their immediate families. (Nasdaq: MEMH).
http://www.meemic.com/

Midland Company
Holding company with subsidiaries which specialize in writing physical damage insurance and related coverages on manufactured housing, watercraft, long-haul trucks, and commercial, excess and surplus lines. (Nasdaq: MLAN).
http://www.midlandcompany.com/

Motor Club Of America
Holding company with subsidiaries which provide broad range of property and casualty insurance and related services. (Nasdaq: MOTR).
http://www.motr.com/

Navigators Group, Inc. (The)
Holding company with subsidiaries which underwrite marine, aviation, onshore energy and certain lines of non-marine property and casualty insurance and reinsurance worldwide. (Nasdaq: NAVG).
http://www.navigators-insurance.com/

Ohio Casualty Corporation
Holding company with subsidiaries which underwrite property and casualty insurance. (Nasdaq: OCAS).
http://www.ocas.com/

Oxford Health Plans, Inc.
Holding company with subsidiaries which provide health benefit plans including traditional health maintenance organizations, point-of-service plans offering more economical health maintenance organization services, medicare and medicaid plans, third party administration of employer-funded benefit plans, and dental plans. (Nasdaq: OXHP).
http://www.oxhp.com/

Presidential Life Corporation
Holding company with subsidiary which underwrites and sells life insurance and flexible premium retirement annuities. (Nasdaq: PLFE).
http://www.presidentiallife.com/

PICO Holdings Inc.
Holding company with subsidiaries which provide portfolio investment, property and casualty insurance, life and health insurance and other insurance services. (Nasdaq: PICO).
http://www.picoholdings.com/

PMA Capital Corporation
Holding company with subsidiaries which sell property and casualty insurance and reinsurance featuring worker's compensation coverages and related services. (Nasdaq: PMACA).
http://www.pmagroup.com/

Transatlantic Holdings, Inc.
Holding company for a number of subsidiary organizations offering reinsurance products. Includes links to subsidiaries, company news, and financial data. ( NYSE: TRH )
http://www.transre.com/

W. R. Berkley Corporation
Holding company with subsidiaries which underwrite property casualty, commercial transportation and reinsurance, as well as various surety insurance and reinsurance lines. (Nasdaq: BKLY).
http://www.wrbc.com/

General & Medical, PLC
An insurance and finance holding company in the UK. Site describes the company, its subsidiaries, and its products.
http://www.generalandmedical.com/

Philadelphia Consolidated Holding Corp.
Holding company with subsidiaries which design, market, and underwrite specialized commercial property and casualty insurance primarily for rental car companies and their customers, automotive leasing companies and their customers, and non-profit organizations. (Nasdaq: PHLY).
http://www.phly.com/