John G. Harp

Wagner-Smith Equipment Co. is engaged in designing the line-stringing equipment in the industry. It manufactures, sells, rents and services overhead and underground line-stringing equipment and tools for the electrical power line and communication industry. The company was founded in 1917 and is headquartered in Burleson, TX .

MDU Construction Services Group, Inc. specializes in constructing and maintaining electric and communication lines. It provides a full spectrum of construction solutions, from underground utilities and excavation to electrical, mechanical and fire suppression systems as well as transmission line construction. The firm also provides industrial construction maintenance and turnaround, equipment rental sales and manufacturing. The company is headquartered in Bismarck, ND.

KRC Materials, Inc. provides construction materials. Its services include aggregate placement, airport work, asphalt paving, bridge construction, clean fill disposal site, concrete construction, contaminated soils remediation, emulsion distribution and laydown, environmental reclamation, heavy civil, highway construction, oil and gas, petroleum recycling, railroad services, site development, and underground utilities. The firm offers products such as aggregates, asphalt, building materials, cement, concrete block, liquid asphalt, pre-stress and precast concrete, rebar, and recycled concrete. The company was founded in 1917 and is headquartered in Bismarck, ND.

Part of MDU Resources Group, Inc., Harp Engineering, Inc. designs utility and telecommunication projects. The company is based in Kalispell, MN. Harp Engineering was acquired by MDU Resources Group, Inc. on July 06, 1998.

Part of MDU Resources Group, Inc., Harp Line Constructors Co. distributes electricity and natural gas. The company is based in Bismarck, ND. Harp Line Constructors was acquired by MDU Resources Group, Inc. on July 06, 1998.

Ledcor IP Holdings Ltd. operates as a diversified construction company which serves civil and infrastructure, oil and gas, pipeline, building, mining, power, and telecommunications sectors. The firm also owns operations in property investment, forestry, aviation, and marine transportation services. The company was founded by William Lede in 1947 and is headquartered in Vancouver, Canada.