ISO exclusion · commercial umbrella

CU 21 75 Exclusion - Insurance And Related Operations

Filings
59
latest Aug 12, 2026
Filing companies
37
22 carrier groups
States
17
Latest edition
04 13
Apr 2013

Coverage description

An Insurance Services Office (ISO) standard form. It excludes umbrella coverage for liability arising out of insurance operations, including obligations under insurance or reinsurance contracts, insurance pools and funds, and professional services such as claims handling, auditing and acting as an agent or broker.

Editions

Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.

EditionFilingsCompaniesStatesFiled
04 13Apr 2013Latest573517May 2022 to Aug 2026

2 other edition dates appear in one or two filings each, often carrier-specific versions: 12 05, 12 02.

What the filings show

  • Edition in use: in the past 12 months, 18 companies filed the 04 13 edition.
  • CU 22 94 (Professional Liability Exclusion - Electronic Data Processing Services and Computer Consulting or Programming Services) is filed alongside it most often, in 58 of the same filings (98%).

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Aug 2026, excluding withdrawn and rejected filings. One filing can cover several affiliated companies.

Carriers filing this form

The 10 carrier groups with the most filings that include CU 21 75, out of 22 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Grinnell Mutual GroupGrinnell Mutual Reinsurance Company9904 13Mar 22, 2023
Nationwide Corporation Group4 group companies filed it, led by Nationwide Agribusiness Insurance Company and Crestbrook Insurance Company8304 13Jun 30, 2026
Tokio Marine Holdings Incorporated Group2 group companies filed it, led by Safety National Casualty Corporation and Philadelphia Indemnity Insurance Company7304 13Aug 11, 2026
Church Mutual GroupChurch Mutual Insurance Company, S.I.5204 13Jun 26, 2026
Sompo GroupSompo America Insurance Company5104 13Jun 15, 2026
AU Holding Company GroupContinental Indemnity Company2204 13May 3, 2024
American Family Insurance GroupMidvale Indemnity Company2204 13Sep 28, 2023
Berkshire Hathaway Group2 group companies filed it, led by The Medical Protective Company and Wellfleet Insurance Company2204 13Jun 30, 2026
Copperpoint Group3 group companies filed it, led by Alaska National Insurance Company and CopperPoint Casualty Insurance Company2104 13Jun 24, 2026
Encova Mutual Insurance Group3 group companies filed it, led by Motorists Mutual Insurance Company and Wilson Mutual Insurance Company2204 13Jun 25, 2024

How the largest insurers handle CU 21 75

Groups among the largest commercial umbrella and excess insurers that filed CU 21 75 or their own version in the past five years.

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States

Number of filings that include CU 21 75 in each state, Oct 2021 to Aug 2026. Darker states have more filings.

Tennessee: 0 filingsTNAlabama: 0 filingsALFlorida: 0 filingsFLGeorgia: 0 filingsGAOklahoma: 0 filingsOKSouth Carolina: 8 filingsSC8Arkansas: 0 filingsARMissouri: 1 filingMO1Indiana: 1 filingIN1Louisiana: 1 filingLA1Ohio: 1 filingOH1Wisconsin: 1 filingWI1Texas: 0 filingsTXKentucky: 0 filingsKYIowa: 1 filingIA1Kansas: 0 filingsKSMississippi: 1 filingMS1North Carolina: 0 filingsNCNebraska: 0 filingsNESouth Dakota: 1 filingSD1Montana: 1 filingMT1New Hampshire: 0 filingsNHVirginia: 0 filingsVAArizona: 0 filingsAZPennsylvania: 1 filingPA1Rhode Island: 0 filingsRIMichigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 0 filingsIDMaryland: 0 filingsMDWest Virginia: 0 filingsWVUtah: 0 filingsUTWyoming: 3 filingsWY3Delaware: 0 filingsDENew Mexico: 0 filingsNMColorado: 20 filingsCO20Connecticut: 0 filingsCTMaine: 0 filingsMENorth Dakota: 1 filingND1Illinois: 5 filingsIL5Minnesota: 0 filingsMNNew Jersey: 0 filingsNJNew York: 0 filingsNYMassachusetts: 0 filingsMAWashington: 1 filingWA1Oregon: 0 filingsORVermont: 0 filingsVTCalifornia: 11 filingsCA11Nevada: 0 filingsNVHawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

Standard-style form numbers that appear in the same filings most often.

  • CU 22 94Professional Liability Exclusion - Electronic Data Processing Services and Computer Consulting or Programming Services58 filings
  • CU 21 15Exclusion - Financial Services57 filings
  • CU 21 41Exclusion - Counseling Services57 filings
  • CU 21 49Exclusion - Professional Veterinarian Services57 filings
  • CU 22 09Exclusion - Failure To Supply57 filings
  • CU 22 15Limitation of Coverage - Real Estate Operations57 filings
  • CU 00 01Commercial Liability Umbrella Coverage Form56 filings
  • CU 21 43Exclusion - Designated Products56 filings
  • CU 22 84Exclusion - Testing Or Consulting Errors And Omissions56 filings
  • CU 22 85Exclusion - Internet Service Providers And Internet Access Providers Errors And Omissions56 filings

Recent filings

Latest filings that include this form number. Filed copies open in FilingFocus.

SubmittedCompanyStateEditionsTracking number
Aug 12, 2026Colonial Surety CompanySC04 13MRTN-134978915
Aug 11, 2026Philadelphia Indemnity Insurance CompanySC04 13PHLX-135041545
Jul 2, 2026Zenith Insurance CompanyCA04 13ZICO-134998423
Jun 30, 2026The Medical Protective Companyand 1 moreIL04 13MDPC-135002488
Jun 30, 2026Crestbrook Insurance Companyand 1 moreCO04 13NWPP-135003098
Jun 26, 2026Church Mutual Insurance Company, S.I.CO04 13CHMU-134995025
Jun 24, 2026CopperPoint Casualty Insurance Companyand 1 moreSC04 13COPP-134996381
Jun 19, 2026Addison Insurance Companyand 1 moreCO04 13UNFG-134979875
Jun 15, 2026Sompo America Insurance CompanyCO04 13SMPJ-134971280
Jun 2, 2026Philadelphia Indemnity Insurance CompanyIL04 13PHLX-134967828
May 13, 2026Alaska National Insurance CompanySC04 13ALNI-134947655
Feb 17, 2026Safety National Casualty CorporationCO04 13SFCC-134815068

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