Sif Holding N.V. manufactures and sells steel tubulars that are used as foundation components for the offshore wind and offshore oil and gas markets in the Netherlands and internationally. The company operates through three segments: Wind, Oil & Gas, and Other. It produces monopiles and transition pieces, and pin piles that are used to anchor jacket foundations in the seabed for oil and gas; legs, pile sleeves, and piles of the larger jackets for oil and gas; and tubular structures for jetties. The company also offers tubular structures for offshore wind farms, and oil and gas rigs primarily in the greater North Sea region. Sif Holding N.V. was founded in 1948 and is headquartered in Roermond, the Netherlands.