Where a subcontractor agrees in the subcontract to name the contractor and owner as additional insureds and provide liability insurance, the subcontract is sufficient to trigger a section of the subcontractor’s general liability policy whereby to add an additional insured party they must agree to do so in a written contract.The 1st District Appellate Court affirmed the decision of Cook County Circuit Judge Anna Helen Demacopoulos.Keeley Construction Inc. (Keeley) contracted with Hamilton Partners Inc. (Hamilton) to …