| Builder's risk / installation floater | Physical damage to a structure or installed materials during the course of construction | Fire or storm damage to a partly built structure | Project owners, lenders, general contractors | It is project-length and project-specific, and it ends rather than renewing indefinitely |
| Commercial auto | Liability and damage involving vehicles used for the business | A collision while driving to a site or hauling material | Clients with fleet or site-access requirements | A personal auto policy and a business use of the same truck are not the same underwriting question |
| Commercial general liability | Third-party bodily injury and property damage arising from operations | A passerby or client is hurt at the job site, or a neighboring structure is damaged | General contractors, property owners, licensing bodies, landlords | It is not a warranty on your own workmanship, and it does not cover your employees' injuries |
| Contractors pollution liability | Pollution conditions caused by the contractor's operations | A release during excavation, demolition, or disturbance of existing materials | Owners and general contractors on environmental, demolition, and utility work | General liability forms commonly restrict pollution-related claims, which is why this is a separate line |
| Cyber liability | Costs and third-party claims following a data compromise or intrusion affecting the business | Client payment or personal data held by the business is exposed, or an account is taken over | Clients in regulated industries and larger institutional owners | Applications for this line typically ask detailed questions about authentication and account controls |
| Professional liability (errors and omissions) | Claims arising from professional judgment, design, or specification work | A design or engineering decision is alleged to be faulty | Clients on design-build and consulting contracts | Liability arising from advice or design is treated separately from liability arising from physical operations |
| Surety bond (not insurance) | A guarantee to a third party that an obligation will be performed or a license honored | Failure to complete contracted work or to meet a licensing requirement | Public owners, licensing boards, general contractors | A bond protects the party requiring it, and the contractor is expected to repay the surety |
| Tools and equipment (inland marine) | Your own movable tools, equipment, and materials in transit or at a site | Tools stolen from a locked trailer overnight | Rarely requested by clients; carried for the contractor's own benefit | Property kept off your premises is usually not covered by a standard building or office property policy |
| Workers' compensation | Employee work-related injury and illness, under a state-administered system | A worker on your payroll is injured on the job | Hiring clients, general contractors, state agencies | Whether owners, officers, and sole proprietors are included or excluded is a state-by-state question, not a preference |