Lyman & Sons has been serving the entire Lake's Region since 1948. John Lyman and his family has been clearing roads, installing & repairing septic systems and site work proudly in all of Belknap County and the entire Lakes Region since 1948.Lyman and Sons is a state licensed excavation company capable of jobs large and small. From installing municipal parking lots and roads to widening your driveway. Homeowners, builders & real estate agent that needs the septic tank inspected, repaired or installed...Lyman can get your job done on time and on budget! Need stone/gravel or loam? Lyman & Sons can help you with that too! In cooperation with a local Quarry Lyman & Sons can deliver Sand Gravel Loam and Clay across the Lakes Region.