Algoma Central Corporation to Acquire Mainstay Maritime’s Canadian Great Lakes Fleet

DP World via P&O Maritime Logistics Acquires 51% of NovaAlgoma Cement Assets (NACC)

July 3, 2025

Transportation

NovaAlgoma Cement Carriers Limited, a joint venture between Algoma Central Corporation and Nova Marine Holdings, entered a definitive agreement under which P&O Maritime Logistics (POML), a DP World wholly owned subsidiary, will acquire a 51% controlling stake in NovaAlgoma’s wholly owned cement assets. NovaAlgoma will retain a 49% minority interest through a new entity based in Dubai (NACC), with no expected changes to day-to-day vessel operations and fleet management teams.

Walstrom Marine Acquires Algonac Harbour Club

July 21, 2023

Transportation

Walstrom Marine has acquired Algonac Harbour Club, a family-owned full-service marina on the St. Clair River in Algonac, Michigan. The investor group led by Continuum Ventures (the DeVos family office) — which previously invested in Walstrom Marine — and several family investors will own the marina; founder Peter Beauregard Sr. will serve as a consultant and Pete Beauregard Jr. will retain an ownership stake.

Crowley Acquires Main Line Inc.

January 1, 2022

Logistics & Distribution

Crowley has acquired Main Line Inc., a Seattle-based vessel mooring company, in an asset purchase effective Jan. 1. The acquisition expands Crowley’s harbor services capabilities—adding vessel mooring to its ship assist offering for customers calling on the ports of Seattle and Tacoma; Main Line staff are transitioning to Crowley as part of the deal and terms were not disclosed.

Crowley Acquires Main Line Inc. to Add Vessel Mooring Capabilities

January 2, 2025

Transportation

Crowley has acquired Main Line Inc., a Seattle-based vessel mooring company, in an asset purchase effective Jan. 1, 2025. The deal brings Main Line staff into Crowley and expands Crowley’s harbor services offering — providing coordinated vessel mooring and ship assist capabilities for customers calling on Seattle and Tacoma; terms were not disclosed.

Watco to Acquire Great Lakes Central Railroad (GLC)

September 28, 2025

Transportation

Watco Railroad Company Holdings, Inc. has announced an agreement to acquire ownership of the Great Lakes Central Railroad (GLC), the largest Class III regional railroad in Michigan, with roughly 420 miles of track. The Surface Transportation Board approved the acquisition, which will be effective September 28, subject to a condition requiring Watco to keep active GLC and Ann Arbor gateways open on commercially competitive terms.

MarineMax Acquires Midcoast Construction Enterprises (Midcoast Marine Group)

December 5, 2022

Construction

MarineMax, Inc. acquired Midcoast Construction Enterprises, LLC (Midcoast Marine Group), a Central Florida–based full-service marine construction company, adding marina development capabilities, specialized equipment, and waterfront real estate in Tarpon Springs, Florida. Midcoast founder and CEO Jack Fulford will continue to run the business as part of MarineMax's expanding marina and services platform.