The 2017-2030 agreement is an extension of an agreement from 2013.
Elbit Systems will expand its manufacturing and maintenance site in Arad to include 100 employees.
The backlog of orders held by the Israeli defense electronics company rose to $6.9 billion at the end of 2016.
One of the suspects arrested today is the son of a well-known public figure.
Israel Military Industries is cooperating with Israel Aerospace Industries in the Polish tender, using the same launcher for both of their missiles.
The Israeli defense company's orders backlog totaled NIS 21.7 billion.
13 Israel Aerospace Industries employees were arrested, including a board member and a member of the workers' committee.
IAI has formed partnerships with Kalyani, Dynamatic and Taneja for joint production projects in India.
An informed defense source said that the order for missiles defense systems would amount to at least several hundred million shekels.
11 Israeli companies will participate in the Aero India 2017 exhibition opening Tuesday.
The new system of mobile sirens, produced by Motorola and developed by the IDF, can provide 25 seconds of warning against mortar barrages.
Elbit Systems is competing against a partnership of IAI, IMI, and German manufacturers for the IDF's latest artillery procurement.