Manufacturing of S&P's products takes place at the factory in Seewen (Switzerland), as well as at various other S&P facilities:

• S&P Polska Sp. z o.o., Poland
• S&P Clever Reinforcement Ibérica, Lda., Portugal

• S&P Reinforcement Spain S.L.

An ISO 9001:2015 QS Management System is consistently maintained at all production locations.