SAND AND GRAVEL, ROCK, CLAY, CONCRETE AGGREGATES, STONE. GENERAL CONTRACTOR, PLAYGROUNDS, PARKS, PARKING LOTS. Mining is primarily in South Dakota and Southern Minnesota. General Contracting is in the Seattle Washington Area.

Soil testing labs, peat services, golf course const, landscaping, soil conservation, commercial turf & grounds, const sand & gravel

Finfish Farming and Fish Hatcheries, Lead Ore and Zinc Ore Mining, Crushed and Broken Limestone Mining and Quarrying, Crushed and Broken Granite Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying