uscs 232_dhs

US Customs and Border Protection, Department of Homeland Security

Believed to be one of the early prototypes

US 001 U.S. Customs and Border Protection Color Version

US Customs and Border Protection, Department of Homeland Security

Standard issue patch, seen at entry points around the country

US 002 U.S. Customs and Border Protection green Version

US Customs and Border Protection, Department of Homeland Security

Subdued version of above patch

US 003 U.S. Customs and Border Protection Color black-yellow

US Customs and Border Protection, Department of Homeland Security

Border patrol "colours" of above patches

US 004 Immigration  Customs Enforcement Shoulder Patch DW

Immigration and Customs Enforcement

US 005 U.S. Customs and Border Protection Field Operations

US Customs and Border Protection, Department of Homeland Security

Field Operations patch

US 006 DHS Bureau Customs  Border Protection DW

US Bureau of Customs and Border Protection, Department of Homeland Security

US 007 DHS Bureau CBP and ICE Version USCS  
US 008 DHS Bureau CBP and ICE Version USBP  
US 009 Bureau of Immigration  Customs Enforcement Prototype Bureau of Immigration and Customs Enforcement - Prototype
US 010 Immigration  Customs Enforcement Special Agent Color Version - DW DHS Immigration and Customs Enforcement - Special Agent 
US 011 Immigration  Customs Enforcement Officer subdued Version DHS Immigration and Customs Enforcement - Special Agent - subdued version
US 012 ICE Special Unit Maimi Field Operation DW ICE Special Unit Miami Field Operations
US 013 ICE - SAC Miami SRT black Version DHS ICE SAC Miami SRT - subdued
US 014 ICE - SAC Miami SRT Color Version DHS ICE SAC Miami SRT - colour
US 015 ICE - Special Response Team Color Version DHS / ICE SAD Washington DC SRT
US 016 USC Office of Border Security black Version  
US 017 USC Office of Border Security Color Version  
US 018 Customs  Border Protection One Team - One Fight

Customs & Border Protection, One Team One Fight

If memory serves me correctly, this patch (social) was introduced as a means of damping down the fires that came along with the amalgamation of the agencies involved in the creation of the Department of Homeland Security. 

US 019 Ship Terminal Brooklyn Customs  Border Protection

Customs & Border Protection Service,

Passenger Processing, Cruise Ship Terminal, Brooklyn, NY

US 020 Operation Flint Loch CBP and CBSA Operation Flint Lock, US Customs and Border Protection & Canada Border Service Agency
US 021 Opertaion Katrina CBP  CBSA Operation Katrina, US Customs and Border Protection & Canada Border Service Agency
US 022 Operation Vigilant Sentry Customs  Border Protection Operation Vigilant Sentry task force
US 023 Super Bowle Task Force CBP Security Superbowl taskforce CBP security
US 024 Immigration  Customs Enforcement DHS Orange Allert DHS Orange alert, New York
US 025 Operation Miami Accord Immigration  Customs Enforcement Operation Miami accord ICE
US 026 Operation Pirate Run 2008 Immigration  Customs Enforcement Operation pirate run - ICE
US 027 Immigration  Customs Enforcement Coordination Center Immigration Customs Enforcement Coordination Centre
US 028 ICE San Francisco ICAOCT 2008 ICE San Franscisco International Conference on Asian Organised Crime and Terrorism