When you're looking for a general contractor in Chicago, it's important to know what they can do for you. Chicago il general contractors are skilled tradesmen who have experience with many different aspects of home building and repair, including plumbing and electrical work. Some general contractors will do everything from installing new windows or doors to fixing leaks in your water heater. Other contractors may specialize in just one aspect such as plumbing or electrical work, but still, know how to connect these systems into their overall project plan if needed.