ThyssenKrupp, in announcing the contract with Singapore Monday, said the submarines will be fitted with air independent propulsion systems and will be built at its facility in Kiel.
No details on the value of the contract and the delivery schedule for the vessels were given.
"We very much look forward to continue the cooperation with the Republic of Singapore Navy, which has already been a customer of ThyssenKrupp Marine Systems," said Dr. Hans Christoph Atzpodien, chairman of the company's Management Board of Industrial Solutions. "The new order is an affirmation of our high-end products and services and will further strengthen our position as a world market leader in the sector of non-nuclear submarines.
"The contract does not only safeguard jobs at ThyssenKrupp Marine Systems, but also several hundred jobs at subcontractors."
ThyssenKrupp Marine Systems said combat systems for the ships will be jointly developed by Singapore's ST Electronics and Atlas Elektronik GmbH.