$ broker --filer W20

Carl S Yoo

CBP-Permitted Customs Broker

Entry Filer Code W20

Location Torrance, CA

Email —

Carl S Yoo, of Torrance, CA, holds an active national customs broker permit and appears on U.S. Customs and Border Protection’s Permitted Customs Broker Listing under entry filer code W20. Licensed customs brokers prepare and file entries, classify goods under the Harmonized Tariff Schedule, and answer for the duties their clients owe — work that in 2026 means navigating stacked Section 301 lists, Section 232 metal actions, country-wide floors, and exclusions that change month to month.

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Source: U.S. Customs and Border Protection, Permitted Customs Broker Listing (edition TA-015 Broker Permit_Contact List Final 05.2026.csv), synced 2026-09-20. Corrections come from CBP’s listing; questions or removal requests via our contact form.