Amegy Bank of Texas
American banking company
Amegy Bank of Texas (previously known as Southwest Bank of Texas) is an American bank operating in Texas that is a division(until 2018 a subsidiary) of Zions Bancorporation. Operating primarily in Houston, Dallas-Fort Worth, and central Texas, the bank is headquartered in the Five Post Oak Park building in Houston’s Post Oak Park business park. As of 2010, it was the largest bank in Houston, with $11 billion in assets, 80 locations, and 2,000 employees in Texas.
History
The Northwest Crossing National Bank was founded in 1989. Walter Johnson joined the company in February 1990. While he was the head of the company, its name changed to the Southwest Bank of Texas. Its second capital offering occurred in December 1992. Its first public offering occurred in January 1997.
On the afternoon of Tuesday January 25, 2005, the Southwest Bank of Texas announced that it would change its name to Amegy Bank of Texas. The name change took effect on March 7 of that year.
This brief starts where responsible research should: with the source description of “Amegy Bank of Texas” as american banking company. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the history & society register because the source frames it as american banking company. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Jun 14, 2026. The linked authority identifier is Q4742155. 2 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 2018, 2010, 1989 and 1990.
Institutional narratives can privilege the records that survived while minimizing voices that were never formally collected. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Three-step research path
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This entry incorporates text from “Amegy Bank of Texas” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.