Sif Holding N.V. manufactures and sells tubular steel foundations for offshore wind farms and metal structures, for the offshore industry in the Netherlands and internationally. The company operates through three segments: Wind, Marshalling, and Other. It offers monopiles, parts of metal structures, pipes, pipe structures, and components, as well as cans and cones, transition pieces, pin piles, jacket legs, and pile sleeves. The company also rents logistical area and facilities; and delivers logistical services to the offshore wind industry. In addition, it offers engineering and corrosion protection services. The company serves energy companies, developers, and fabricators, as well as engineering, procurement, construction, and installation contractors. Sif Holding N.V. was founded in 1948 and is headquartered in Roermond, the Netherlands.