William R. Kreznor & Associates, Inc. is a professional soil testing and classification company based in Woodstock, Illinois. Since 1987, we have been providing accurate and timely soil information to individuals, builders, developers, land planners, civil engineers, appraisers, and government agencies. Our goal is to help our clients make informed land use decisions by understanding the potential and limitations of the soil and site conditions. We conduct on-site soils investigations, provide detailed soil maps, and help our clients plan and design properties that are suitable for the intended use.