1952 - Zimmerman family ventures into marine business and establishes Marine Mart
1960 - Vera Cruz becomes first Zimmerman family shrimp boat
1961 - Salina Cruz becomes first boat built by Walter Zimmerman
1977 - Texas Gold shrimp established by Hodgson brothers
1986 - Zimco Marine, Inc. established by Walter Zimmerman
1992 - Hodgson brothers purchase shrimp from Zimmerman family fleet exclusively for Texas Gold brand
1999 - Zimco Marine builds final boat for fleet; Oceanica Cruz
2015 - Co-Pak, LLC established by Walter Zimmerman’s son-in-law and grandsons
2016 - Co-Pak acquires Texas Gold brand from Hodgson brothers