Germany"s Siemens (SIEGn.DE) on Monday said it signed an agreement to buy U.S.-based Supplyframe for $700 million. "Supplyframe"s ecosystem and marketplace intelligence complements our industrial software portfolio perfectly and strengthens our capabilities for the growing market of small- and mid-size customers," Siemens board member Cedrik Neike said. Siemens said the deal would result in synergies amounting to a mid triple-digit million dollar sum.