Lyman and Sons has been serving the entire Lake's Region since 1948. John Lyman and his family has been clearing roads, installing and 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 and real estate agent that needs the septic tank inspected, repaired or installed...Lyman can get your job done on time and on budget. Need stonegravel or loam? Lyman and Sons can help you with that too. In cooperation with a local Quarry Lyman and Sons can deliver Sand Gravel Loam and Clay across the Lakes Region.