Earth Science Engineering: Professional geotechnical engineering, environmental consulting, and construction materials testing in Middle Tennessee and Kentucky (office in Clarksville).
Fine Line Striping: Specialty contractor based in Spring Hill offers parking lot layout, striping, re-striping, block out paint, and stenciling services for businesses and organizations in the region.
Fortress Builders, Inc.: Develops and constructs residential and small commercial properties in Rutherford County and other areas of Middle Tennessee.