"One of the projects is next to a wetlands area, so we decided to bring awareness that concrete water runoff contains no pollutants," said Joe Swederski, vice president of Swederski Concrete Construction Inc. in Spring Grove, IL. "Site signs always are an opportunity to promote your company, as this one does. But adding the element of thanking the customer for making a decision to protect the environment with their material choice sends a strong message to the public and builds a lot of goodwill for the client."