Funds affiliated with Blackstone Group LP's Blackstone Infrastructure Partners LP unit made an investment, the size of which was not disclosed, in Seattle-based marine terminal operator Carrix Inc.

Carrix, including subsidiary SSA Marine Inc. and related affiliates, has operations at more than 250 port and rail locations across the globe, including 16 container terminals in Long Beach and Oakland in California, Seattle and Tacoma in Washington, Panama, Mexico, Chile, Colombia and Vietnam.

The investment is set to close by the end of April.