Intergraph Corporation and Det Norske Veritas Software (DNVS) have signed a letter of intent to complete a software licensing and distribution agreement. The proposed five-year, multi-million dollar agreement includes collaboration by the two companies in the shipbuilding, offshore and plant design markets. Under terms of the letter of intent, DNVS will market and distribute Intergraph's next-generation shipbuilding design applications to the shipbuilding industry. Additionally, Intergraph will license its SmartPlant(R) platform technology to DNVS. Intergraph and DNVS will work together to combine their respective engineering and lifecycle data management applications.