The Chamber of Shipping of America (CSA) represents 36 U.S. based companies that either own, operate or charter oceangoing tankers, container ships, dry bulk vessels engaged in both the domestic and international trades and companies that maintain a commercial interest in the operation of such oceangoing vessels.

Current members include companies that own or operate U.S. flag or foreign-flag ships. A company owning or operating only foreign-flag tonnage must have an office in the United States to qualify for membership.

• ABS Americas
• AET
• Alaska Tanker Company, LLC
• BG Group
• Bouchard Transportation Co., Inc.
• BP Shipping USA
• Bureau Veritas Marine
• Chevron Shipping Co., LLC
• ConocoPhillips
• Crowley Maritime Corporation
• Det Norske Veritas (DNV)
• Foss Maritime Company
• GDF SUEZ
• General Dynamics - American Overseas Marine
• Horizon Lines, LLC
• Interocean American Shipping Corporation
• IRI
• Keystone Shipping Co.
• K-Sea Transportation
• Lloyd's Register Americas, Inc.
• Maersk Line Limited
• Marine Response Spill Corporation (MSRC)
• MCA Associates, Inc.
• Moran Shipping Agencies, Inc.
• North American Marine Environment Protection Association (NAMEPA)
• Northern Marine Management USA LLC
• OSG Ship Management, Inc.
• Reinauer Transportation Companies
• Seabulk Tankers, Inc.
• SeaRiver Maritime, Inc.
• Shell Trading (US) Company
• Stolt Tankers BV
• Teekay Corporation
• Tesoro Corporation
• U.S. Shipping Corp
• U.S. United Ocean Services