Coverage description
An Insurance Services Office (ISO) standard form. It automatically adds as additional insureds anyone you performed operations for who required it in a written contract, plus others that contract requires, for injury or damage from your completed work. Professional design services are excluded and limits are capped at the contract amount.
Editions
Edition dates as filed, newest first. Filing counts include every state submission that lists the edition.
| Edition | Filings | Companies | States | Filed |
|---|---|---|---|---|
| 12 19Dec 2019Latest | 134 | 74 | 33 | Dec 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, 28 companies filed the 12 19 edition.
- CG 20 39 (Additional Insured – Owners, Lessees or Contractors – Automatic Status When Required in Written Construction Agreement with You (Completed Operations)) is filed alongside it most often, in 134 of the same filings (99%).
Filed under
Data from admitted P&C filings with state insurance departments, submitted Oct 2021 to Oct 2026, excluding withdrawn and rejected filings.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 40, out of 39 in total.
| Carrier | Filings | States | Editions, most filed first | Last filed |
|---|---|---|---|---|
| Markel Corporation GroupState National Insurance Company, Inc. | 18 | 15 | 12 19 | Oct 22, 2026 |
| WCF Mutual Insurance Company GroupAssociated Indemnity Corporation | 16 | 16 | 12 19 | Jan 15, 2026 |
| Merchants Mutual Group2 group companies filed it, led by Merchants Preferred Insurance Company and Merchants Mutual Insurance Company | 10 | 5 | 12 19 | Dec 8, 2025 |
| Tokio Marine Holdings Incorporated Group4 group companies filed it, led by Safety National Casualty Corporation and TNUS Insurance Company | 8 | 2 | 12 19 | Feb 17, 2026 |
| Ohio Mutual GroupUnited Ohio Insurance Company | 7 | 7 | 12 19 | Jul 3, 2025 |
| Sompo GroupSompo America Insurance Company | 7 | 2 | 12 19 | Jun 18, 2026 |
| Grange Mutual CAS Group3 group companies filed it, led by Grange Indemnity Insurance Company and Grange Insurance Company | 6 | 6 | 12 19 | Mar 28, 2024 |
| Siriuspoint GroupSiriusPoint America Insurance Company | 6 | 2 | 12 19 | Jun 15, 2026 |
| Church Mutual GroupChurch Mutual Insurance Company, S.I. | 5 | 2 | 12 19 | Jun 26, 2026 |
| Nationwide Corporation Group7 group companies filed it, led by Nationwide Agribusiness Insurance Company and Nationwide General Insurance Company | 5 | 3 | 12 19 | Oct 21, 2026 |
How the largest insurers handle CG 20 40
Groups among the largest commercial general liability insurers that filed CG 20 40 or their own version in the past five years.
- Berkshire Hathaway GroupUses CG 20 40 in 1 filing
- WR Berkley Corporation GroupUses CG 20 40 in 1 filing
- Fairfax Financial GroupUses CG 20 40 in 2 filings
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States
Number of filings that include CG 20 40 in each state, Oct 2021 to Oct 2026. Darker states have more filings.
Often filed with
Standard-style form numbers that appear in the same filings most often.
- CG 20 39Additional Insured – Owners, Lessees or Contractors – Automatic Status When Required in Written Construction Agreement with You (Completed Operations)134 filings
- CG 20 01Primary and Noncontributory - Other Insurance Condition114 filings
- CG 20 37Additional Insured - Owners, Lessees or Contractors - Completed Operations114 filings
- CG 24 04Waiver of Transfer of Rights of Recovery Against Others to Us (Waiver of Subrogation)114 filings
- CG 21 66Exclusion - Volunteer Workers as Insureds113 filings
- CG 20 10Additional Insured - Owners, Lessees or Contractors - Scheduled Person or Organization112 filings
- CG 20 38Additional Insured - Owners, Lessees or Contractors - Automatic Status for Other Parties When Required in Written Construction Agreement112 filings
- CG 20 43Additional Insured - Automatic Status When Required in Written Contract or Agreement111 filings
- CG 20 44Additional Insured - Vendors - Automatic Status When Required in Agreement111 filings
- CG 40 15Cannabis Exclusion with Hemp Exception111 filings
Recent filings
Latest filings that include this form number. Filed copies open in FilingFocus.
| Submitted | Company | State | Editions | Tracking number |
|---|---|---|---|---|
| Oct 22, 2026 | State National Insurance Company, Inc. | CO | 12 19 | STNA-135128706 |
| Oct 21, 2026 | Allied Insurance Company of Americaand 4 more | CA | 12 19 | NWPP-G135131050 |
| Jun 26, 2026 | Church Mutual Insurance Company, S.I. | CO | 12 19 | CHMU-134947220 |
| Jun 24, 2026 | Southern Trust Insurance Company | GA | 12 19 | STTR-134864949 |
| Jun 18, 2026 | Sompo America Insurance Company | CO | 12 19 | SMPJ-134985965 |
| Jun 17, 2026 | Atlantic Specialty Insurance Company | NM | 12 19 | BEAC-134983795 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 19 | MRTN-134978899 |
| Jun 15, 2026 | SiriusPoint America Insurance Company | CO | 12 19 | MRTN-134978902 |
| Jun 2, 2026 | Zenith Insurance Company | CA | 12 19 | ZICO-134965759 |
| Mar 20, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | CO | 12 19 | CNAB-134872676 |
| Feb 24, 2026 | American Casualty Company of Reading, Pennsylvaniaand 5 more | SC | 12 19 | CNAB-134851008 |
| Feb 17, 2026 | Safety National Casualty Corporation | CO | 12 19 | SFCC-134814522 |
Most filed ISO CG forms
- CG 40 32 Exclusion - Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS)
- CG 21 06 Exclusion - Access Or Disclosure Of Confidential Or Personal Material Or Information
- CG 20 10 Additional Insured - Owners, Lessees or Contractors - Scheduled Person or Organization Endorsement
- CG DS 01 Commercial General Liability Declarations
- CG 20 26 Additional Insured - Designated Person or Organization Endorsement
- CG 00 01 Commercial General Liability Coverage Form
- CG 20 37 Additional Insured - Owners, Lessees or Contractors - Completed Operations Endorsement
- CG 40 28 Broad Abuse or Molestation Exclusion
- CG 20 28 Additional Insured - Lessor of Leased Equipment
- CG 20 11 Additional Insured - Managers or Lessors of Premises
- CG 21 47 Employment-Related Practices Exclusion
- CG 04 35 Employee Benefits Liability Coverage
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