Loon Lake Sand and Gravel has been in business since the early 90's and has built a reputation of being an honest and reliable corner of the construction industry. Our products meet USDOT specification for rock size and quality. We cary and deliver: Top Course, Base Course, Drain Rock, Chips, Coarse Sand, C-33 Sand, Asphalt Grindings, Topsoil and Specialty Rock Products.Our Construction side specializes in Driveway work, including new construction, rebuilding and general maintenance. Our specialized equipment gives us the ability to build a high quality driveway without the high cost assocated with normal construction. Our varied sizes of equipment give us the ability to work on driveways and also easily take on large multi-mile engineered roads. We also specialize in excavation.

SS3DI is a Ground penetrating radar, concrete imaging, GPS mapping and technical services company serving the northwest from Spokane Washington. We provide highly accurate subsurface surveys with our unique use of ground penetrating radar equipment combined with survey grade GPS and computer aided design software. This allows us to produce high quality diagrams of what is beneath the surface of the ground often times with an accuracy of less than 1 inch in horizontal position and depth.We also provide concrete imaging to locate rebar, post tension cables, conduits, voids and anything else within the concrete. Applying similar techniques to looking into the ground we are able to provide highly accurate locations of targets in the concrete at thicknesses of up to three feet.We uses survey gr