NORTHERN OILFIELD

Oilfield machines used for hydraulic fracturing, drilling, pumping, and wellhead operations; Oilfield machines, namely, wellheads, fracking trees, zipper manifolds, frac iron, drilling machines, and pumping machines; Parts and fittings for oilfield machines, namely, valves, pumps, pipes, flanges, heads, spools, hangers, adapters, tees, tree assemblies and caps, flow tees, chokes, accumulators, and heaters

Rental, repair, refurbishment, maintenance, inspection, installation, and operation of oilfield equipment and parts used for hydraulic fracturing, drilling, pumping, and wellhead operations

Storage of oilfield equipment and parts therefor

Engineering, design, testing, and maintenance of oil wells; o Engineering, design, testing, analysis, and evaluation of the oilfield machines used for hydraulic fracturing, drilling, pumping, and wellhead operations