Defy helps Constructions such as Plumbing businesses compare insurance quotes from top U.S. providers online. Get several quotes with one application. If you’re looking to start your Plumbing business or if you already run an Agent/Manager for Artists and Entertainers business one of the most important business steps is investing in insurance. Without the right insurance or proper coverage, your Plumbing business is at risk of costing you thousands of dollars or putting you out of business entirely. In this resource, you’ll get an idea of how much Plumbing insurance might cost and which insurance types you may need to purchase to ensure that your business is protected.