Commercial Lines Independent Insurance Services provides a broad range of insurance products from many of the leading national and regional insurance carriers. Product lines include commercial property, boiler & machinery, inland and ocean marine, contract and permit bonds, general liability, professional liability, directors and officers liability, employment practices liability, commercial auto, auto dealers and garage liability, contractors liability and builders risk, workers compensation and umbrella liability. Product sales are supported by agency risk management, loss control and claim support services in addition to those services provided by the insurance carriers. Contractors For important information on the Contractor Registration Law and forms for registering, click to link to the Iowa Workforce Development Iowa Contractor Law - Registration and Bonding site.