MRG is part of a family of companies that offer a range of maritime transportation services. Find out more by going to their web sites:

MRG Companies

AmNav Maritime Services is a leading provider of marine and harbor services in the San Francisco Bay and Los Angeles/Long Beach areas, providing ship-assists, tanker and barge escorts, marine construction support, salvage, emergency response, military operations services, shipyard vessel assists, logistics for oversized equipment, and vessel and barge towing.

Foss Maritime Company offers a complete range of maritime services and project management to customers across the Pacific Rim, Europe, South America and around the globe. The company has harbor services and transportation operations in all major U.S. West Coast ports. Foss subsidiaries and divisions include:

America Cargo Transport (ACT) provides international cargo delivery and full-service cargo logistics. ACT serves commercial, government and military markets, delivering cargo in the Caribbean, Central America, South America, the Persian Gulf, East and West Africa.

Constellation Maritime Company is a tug boat and marine transportation company located in Boston, Massachusetts.

Gulf Caribe Maritime Company operates a rail car barge liner service between Mobile and Ponce, Puerto Rico. Gulf Caribe also provides transport services on the inland Gulf Waterway System and operates the M/V Delta Mariner.

Harbor Marine Group is a marine consulting firm specializing in naval architecture, hydrodynamic analysis, and civil engineering support of marine installations.

Ocean Salvors maintains salvage resources necessary for point-to-point towing, rescue towage, marine salvage, heavy lift, and engineering.

Hawaiian Tug & Barge is a tug and marine transportation company located in Oahu, Hawaii.

Young Brothers is Hawaii’s leading freight handling and transportation company.

Mercosur Shuttle Group (CSMP/CSMA) CMSP (Container Movement Services Paraguay) / CMSA (Container Movement Services Argentina) operates 4 tugs and 12 barges on the Hidrovia River System in South America.

Our Sister Companies—operated by Saltchuk


Saltchuk is the family-owned investment company that operates Marine Resources Group and all of MRG’s companies, including Foss Maritime. Other Saltchuk companies, organized by category, include:

Air Cargo, Airplane Maintenance, Freight Forwarding

Aloha Air Cargo provides fast, convenient, economical, and reliable cargo service throughout the State of Hawaii.

Northern Air Cargo provides general air freight services throughout Alaska.

Alta Air Logistics provides innovative logistics and transportation services for clients in Alaska and around the world.

Northern Air Maintenance Services, Inc. is an Alaska-based company focused on maintenance of Boeing 737-200 aircraft.

NAC Link is an Alaska-based freight forwarding company.

Marine Transportation

American Shipping Group is the holding company that comprises the blue water domestic and military support shipping businesses of Saltchuk Resources. Its companies include:

Interocean American Shipping is a technical ship management and ship crewing company.

Sea Star Line is a common carrier shipping company operating between the U.S. East Coast and San Juan, Puerto Rico.

Totem Ocean Trailer Express (TOTE) is a liner, common carrier, shipping company that operates between Tacoma, WA, and Anchorage, AK.

Petroleum Distribution

North Star Utilities Group

Delta Western is the leading distributor of petroleum products and lubricants in Alaska.

E Mau

Maui Petroleum, Inc.

Minit Stop

Inlet Petroleum Company

Real Estate

Ilahie is a commercial Real estate development and management company.

Roche Harbor is an historic resort on the northern tip of San Juan Island, WA.