ISO endorsement · commercial general liability

CG 20 43 Additional Insured - Automatic Status When Required In Written Contract Or Agreement

Filings
178
latest Oct 22, 2026
Filing companies
90
45 carrier groups
States
40
Latest edition
12 19
Dec 2019

Coverage description

An Insurance Services Office (ISO) standard form. It makes anyone you agree in a written contract to add as an additional insured an insured for injury or damage caused by your operations, limited to what the contract requires, with a professional services exclusion.

Editions

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

EditionFilingsCompaniesStatesFiled
12 19Dec 2019Latest1779040Nov 2021 to Oct 2026

1 other edition date appears in one or two filings each, often carrier-specific versions: 10/1/2020.

What the filings show

  • Edition in use: in the past 12 months, 31 companies filed the 12 19 edition.
  • CG 20 15 (Additional Insured – Vendors) is filed alongside it most often, in 156 of the same filings (88%).

Filed under

Commercial General Liability 144Other Liability 11Other other liability 8Other Commercial Lines 7Commercial Package 4CMP 2

Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 20 43, out of 45 in total.

CarrierFilingsStatesEditions, most filed firstLast filed
United Fire & CAS Group7 group companies filed it, led by United Fire and Casualty Company and Addison Insurance Company292812 19Dec 28, 2022
Cincinnati Financial Group3 group companies filed it, led by The Cincinnati Casualty Company and The Cincinnati Indemnity Company161612 19Oct 23, 2023
WCF Mutual Insurance Company GroupAssociated Indemnity Corporation161612 19Jan 15, 2026
Merchants Mutual Group2 group companies filed it, led by Merchants Preferred Insurance Company and Merchants Mutual Insurance Company10512 19Dec 8, 2025
Tokio Marine Holdings Incorporated Group4 group companies filed it, led by Safety National Casualty Corporation and TNUS Insurance Company8212 19Feb 17, 2026
Acuity, A Mutual Insurance Company7412 19Jul 1, 2025
Sompo GroupSompo America Insurance Company7212 19Jun 18, 2026
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 20 43

Groups among the largest commercial general liability insurers that filed CG 20 43 or their own version in the past five years.

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States

Number of filings that include CG 20 43 in each state, Oct 2021 to Oct 2026. Darker states have more filings.

Tennessee: 2 filingsTN2Alabama: 2 filingsAL2Florida: 0 filingsFLGeorgia: 4 filingsGA4Oklahoma: 2 filingsOK2South Carolina: 4 filingsSC4Arkansas: 4 filingsAR4Missouri: 3 filingsMO3Indiana: 4 filingsIN4Louisiana: 2 filingsLA2Ohio: 3 filingsOH3Wisconsin: 4 filingsWI4Texas: 2 filingsTX2Kentucky: 2 filingsKY2Iowa: 3 filingsIA3Kansas: 3 filingsKS3Mississippi: 2 filingsMS2North Carolina: 1 filingNC1Nebraska: 1 filingNE1South Dakota: 1 filingSD1Montana: 2 filingsMT2New Hampshire: 0 filingsNHVirginia: 2 filingsVA2Arizona: 0 filingsAZPennsylvania: 5 filingsPA5Rhode Island: 1 filingRI1Michigan: 0 filingsMIAlaska: 0 filingsAKDistrict of Columbia: 0 filingsDCIdaho: 3 filingsID3Maryland: 2 filingsMD2West Virginia: 0 filingsWVUtah: 1 filingUT1Wyoming: 3 filingsWY3Delaware: 0 filingsDENew Mexico: 4 filingsNM4Colorado: 33 filingsCO33Connecticut: 1 filingCT1Maine: 0 filingsMENorth Dakota: 1 filingND1Illinois: 9 filingsIL9Minnesota: 0 filingsMNNew Jersey: 4 filingsNJ4New York: 2 filingsNY2Massachusetts: 2 filingsMA2Washington: 6 filingsWA6Oregon: 2 filingsOR2Vermont: 3 filingsVT3California: 41 filingsCA41Nevada: 2 filingsNV2Hawaii: 0 filingsHI
FewerMore filingsNone

Often filed with

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

  • CG 20 15Additional Insured – Vendors156 filings
  • CG 20 26Additional Insured – Designated Person or Organization156 filings
  • CG 20 28Additional Insured – Lessor of Leased Equipment153 filings
  • CG 20 44Additional Insured – Vendors – Automatic Status When Required in Agreement151 filings
  • CG 20 34Additional Insured – Lessor of Leased Equipment – Automatic Status When Required in Lease Agreement with You150 filings
  • CG 20 35Additional Insured – Grantor of Licenses – Automatic Status When Required by Licensor149 filings
  • CG 20 36Additional Insured – Grantor of Licenses149 filings
  • CG 20 32Additional Insured – Engineers, Architects or Surveyors Not Engaged by the Named Insured146 filings
  • CG 24 04Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)139 filings
  • CG 20 41Additional Insured – Owners, Lessees or Contractors – Completed Operations Subject to the General Aggregate138 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 21, 2026Allied Insurance Company of Americaand 4 moreCA12 19NWPP-G135131050
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 19BEAC-134983795
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 19MRTN-134978899
Jun 15, 2026SiriusPoint America Insurance CompanyCO12 19MRTN-134978902
Jun 2, 2026Zenith Insurance CompanyCA12 19ZICO-134965759
Apr 30, 2026Trisura Insurance CompanyCA12 19SHNF-134881681

Most filed ISO CG forms

All Commercial General Liability (ISO CG) forms

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