ISO exclusion · commercial general liability

CG 21 41 Exclusion - Intercompany Products Suits

Filings
156
latest Oct 22, 2026
Filing companies
86
46 carrier groups
States
35
Latest edition
12 19
Dec 2019

Coverage description

An Insurance Services Office (ISO) standard form. It excludes claims and suits by one named insured against another named insured for bodily injury or property damage arising out of your products and within the products-completed operations hazard.

How the form has changed

Later editions clarify wording without changing the coverage.

Editions

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

EditionFilingsCompaniesStatesFiled
12 19Dec 2019Latest1327234Nov 2021 to Oct 2026
11 85Nov 1985241913Dec 2021 to Jun 2026

2 other edition dates appear in one or two filings each, often carrier-specific versions: 12 04, 10/1/2020.

Where filings record what this form replaced, they name earlier edition 11 85. Only some filings record replacements.

What the filings show

  • Edition in use: in the past 12 months, 24 companies filed the 12 19 edition and 1 company filed 11 85.
  • CG 21 66 (Exclusion – Volunteer Workers as Insureds) is filed alongside it most often, in 151 of the same filings (97%).

Filed under

Commercial General Liability 121Commercial Package 10Other Liability 7Other Commercial Lines 7Other other liability 4

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 CG 21 41, out of 46 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company171612 1911 85Oct 23, 2023
WCF Mutual Insurance Company GroupAssociated Indemnity Corporation161612 19Jan 15, 2026
Nationwide Corporation Group8 group companies filed it, led by Nationwide Mutual Insurance Company and Allied Insurance Company of America13511 8512 19Feb 12, 2025
Markel Corporation Group2 group companies filed it, led by State National Insurance Company, Inc. and Markel Insurance Company10412 1911 85Oct 22, 2026
Tokio Marine Holdings Incorporated Group4 group companies filed it, led by Safety National Casualty Corporation and TNUS Insurance Company8212 19Feb 17, 2026
Sompo GroupSompo America Insurance Company7212 19Jun 18, 2026
Starr Group2 group companies filed it, led by Starr Indemnity and Liability Company and Starr Specialty Insurance Company7312 1910/1/202011 85Sep 8, 2025
Grange Mutual CAS Group3 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company6612 19Mar 28, 2024
Hastings Mutual Insurance Company6512 19Mar 13, 2025
Siriuspoint GroupSiriusPoint America Insurance Company6212 19Jun 15, 2026

How the largest insurers handle CG 21 41

Groups among the largest commercial general liability insurers that filed CG 21 41 or their own version in the past five years.

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States

Number of filings that include CG 21 41 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 1 filingTN1Alabama: 1 filingAL1Florida: 0 filingsFLGeorgia: 4 filingsGA4Oklahoma: 1 filingOK1South Carolina: 5 filingsSC5Arkansas: 2 filingsAR2Missouri: 1 filingMO1Indiana: 4 filingsIN4Louisiana: 1 filingLA1Ohio: 3 filingsOH3Wisconsin: 3 filingsWI3Texas: 3 filingsTX3Kentucky: 1 filingKY1Iowa: 2 filingsIA2Kansas: 2 filingsKS2Mississippi: 1 filingMS1North Carolina: 1 filingNC1Nebraska: 0 filingsNESouth Dakota: 0 filingsSDMontana: 2 filingsMT2New Hampshire: 0 filingsNHVirginia: 2 filingsVA2Arizona: 0 filingsAZPennsylvania: 2 filingsPA2Rhode Island: 1 filingRI1Michigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 1 filingID1Maryland: 1 filingMD1West Virginia: 0 filingsWVUtah: 1 filingUT1Wyoming: 5 filingsWY5Delaware: 0 filingsDENew Mexico: 4 filingsNM4Colorado: 28 filingsCO28Connecticut: 1 filingCT1Maine: 0 filingsMENorth Dakota: 0 filingsNDIllinois: 11 filingsIL11Minnesota: 0 filingsMNNew Jersey: 1 filingNJ1New York: 0 filingsNYMassachusetts: 0 filingsMAWashington: 7 filingsWA7Oregon: 3 filingsOR3Vermont: 1 filingVT1California: 48 filingsCA48Nevada: 1 filingNV1Hawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

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

  • CG 21 66Exclusion – Volunteer Workers as Insureds151 filings
  • CG 20 27Additional Insured - Co-Owner of Insured Premises150 filings
  • CG 20 15Additional Insured – Vendors149 filings
  • CG 20 23Additional Insured - Executors, Administrators, Trustees or Beneficiaries149 filings
  • CG 20 24Additional Insured - Owners or Other Interests From Whom Land Has Been Leased149 filings
  • CG 20 12Additional Insured - State or Governmental Agency or Subdivision or Political Subdivision - Permits or Authorizations148 filings
  • CG 20 28Additional Insured – Lessor of Leased Equipment148 filings
  • CG 20 05Additional Insured - Controlling Interest147 filings
  • CG 20 11Additional Insured – Managers or Lessors of Premises147 filings
  • CG 20 26Additional Insured – Designated Person or Organization147 filings

Recent filings

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

SubmittedCompanyStateEditionsTracking number
Oct 22, 2026State National Insurance Company, Inc.CO12 19STNA-135128706
Oct 6, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCA12 19CNAB-135091690
Aug 17, 2026Mississippi Farm Bureau Casualty Insurance CompanyMS12 19SFBC-135017175
Jul 10, 2026Southern Farm Bureau Casualty Insurance CompanyLA12 19SFBC-135013358
Jun 26, 2026Church Mutual Insurance Company, S.I.CO12 19CHMU-134947220
Jun 24, 2026Southern Trust Insurance CompanyGA12 19STTR-134864949
Jun 18, 2026Sompo America Insurance CompanyCO12 19SMPJ-134985965
Jun 17, 2026Atlantic Specialty Insurance CompanyNM12 1911 85BEAC-134983795
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 19MRTN-134978899
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 19MRTN-134978902
Jun 2, 2026Zenith Insurance CompanyCA12 19ZICO-134965759
Mar 20, 2026American Casualty Company of Reading, Pennsylvaniaand 5 moreCO12 19CNAB-134872676

Most filed ISO CG forms

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