Delfin Midstream Inc. said this week it has signed a deal for Wison Offshore & Marine to design and engineer floating LNG (FLNG) vessels for the export projects it’s developing across North America.

Delfin is developing a deepwater port offshore Louisiana for four FLNG vessels and has partnered with the Haisla Nation and Pembina Pipeline Corp. on the Cedar liquefied natural gas project offshore British Columbia. It’s also working to advance other deepwater projects in North America.

The company said it would accelerate the development of its vessel slots offshore Louisiana, citing strong demand for U.S. LNG exports. Under the deal announced this week, Wison would aim to start front-end engineering and design later this year so that FLNG vessel construction could start at its...