A: Possibly. The value of the contracts matters, but E-1 substantial trade also looks for an ongoing flow of transactions over time. A few high value deals are stronger than one isolated transaction, but the company still needs to show continuing trade between the United States and Israel. The number, frequency, and value of the transactions all matter.
Source: 9 FAM 402.9: https://fam.state.gov/fam/09FAM/09FAM040209.html