MARTIN E BUTTON LLC

Martin E. Button LLC — licensed under CBP filer code JM4 and doing business as Cosdel International Transportation — is an established customs brokerage firm operating out of El Cerrito, California. With a documented history spanning from October 2012 through the present, the firm has facilitated customs clearance on more than 3,600 bills of lading, demonstrating a sustained and active practice in U.S. import compliance.

The firm's shipping data reveals a diverse but focused client base. Key associated importers include California Slate Company, Inc., Rolling Hills Nut Company, and Integrated Resources Group Inc., pointing to specialization in natural building materials such as slate and stone, as well as agricultural commodities including tree nuts and produce. Shipment associations with Bright Light Agribusiness PTY Ltd from Australia and BE Natural Slate, S.L. from Spain indicate experience managing imports from multiple continents and navigating the country-specific documentation and tariff classification requirements those origins demand.

Located in the San Francisco Bay Area, Martin E. Button LLC is well positioned to handle entries through the Port of Oakland, one of the busiest container ports on the West Coast. Importers clearing goods through Oakland benefit from a broker with deep familiarity with CBP's ACE portal, HTS code classification for commodities like stone, slate, and agricultural products, and the importer security filing (ISF) requirements that apply to all ocean freight shipments into the United States.

For importers of natural stone and slate, accurate HTS code assignment is critical — misclassification can result in unexpected customs duty liability or delays at the port. Similarly, importers of tree nuts and agricultural goods must navigate USDA oversight alongside CBP requirements, and understanding continuous customs bond requirements is essential for frequent shippers. Martin E. Button LLC's history with these commodity types suggests a broker capable of managing these layered compliance demands.

The firm's trade name, Cosdel International Transportation, suggests capabilities that may extend beyond pure customs brokerage into freight coordination and international logistics support — a practical advantage for importers seeking consolidated handling of their supply chain compliance needs. Whether you are managing a first-time shipment or establishing a recurring import program, this El Cerrito-based broker brings years of documented clearance experience to the table.