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Top 100 Banks & Credit Unions Companies in the South Texas — Graded

75 banks & credit unions companies in the South Texas clear our data floor — verified in at least two independent sources with a working phone or website — and are graded by one published formula. The top 100 are below; the full ranked list is split by area. Grades refreshed monthly; data current as of 2026-10-25.

Corpus Christi (17)Laredo (11)Rio Grande Valley (43)South Texas (4)
1
98AI ScoreTop 2%
Wells Fargo
McAllen · Website
Legitimacy96
Online action100
Reviewsno data yet
Coverage 35% · 2026-10-25
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2
97AI ScoreTop 3%
Chase Bank
McAllen · Website
Legitimacy96
Online action97
Reviewsno data yet
Coverage 35% · 2026-10-25
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3
97AI ScoreTop 4%
Wells Fargo
Laredo · Website
Legitimacy93
Online action100
Reviewsno data yet
Coverage 35% · 2026-10-25
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4
97AI ScoreTop 6%
Wells Fargo
Laredo · Website
Legitimacy93
Online action100
Reviewsno data yet
Coverage 35% · 2026-10-25
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5
97AI ScoreTop 7%
Wells Fargo
Harlingen · Website
Legitimacy93
Online action100
Reviewsno data yet
Coverage 35% · 2026-10-25
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6
95AI ScoreTop 8%
Bank Of America
Edinburg · Website
Legitimacy93
Online action97
Reviewsno data yet
Coverage 35% · 2026-10-25
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7
95AI ScoreTop 10%
Bank Of America
McAllen · Website
Legitimacy93
Online action97
Reviewsno data yet
Coverage 35% · 2026-10-25
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8
95AI ScoreTop 11%
Bank Of America
Laredo · Website
Legitimacy93
Online action97
Reviewsno data yet
Coverage 35% · 2026-10-25
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9
95AI ScoreTop 12%
Bank Of America
Corpus Christi · Website
Legitimacy93
Online action97
Reviewsno data yet
Coverage 35% · 2026-10-25
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10
95AI ScoreTop 14%
Bank Of America
Harlingen · Website
Legitimacy93
Online action97
Reviewsno data yet
Coverage 35% · 2026-10-25
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11
90AI ScoreTop 15%
First Convenience Bank
Alice · Website
Legitimacy96
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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12
88AI ScoreTop 16%
Bank Of America
Pharr · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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13
88AI ScoreTop 18%
Chase
Brownsville · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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14
88AI ScoreTop 19%
Chase Bank
Edinburg · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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15
88AI ScoreTop 20%
Chase Bank
McAllen · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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16
88AI ScoreTop 22%
Chase Bank
McAllen · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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17
88AI ScoreTop 23%
Chase Bank
Laredo · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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18
88AI ScoreTop 24%
Wells Fargo
Brownsville · Website
Legitimacy93
Online action85
Reviewsno data yet
Coverage 35% · 2026-10-25
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19
83AI ScoreTop 26%
Valley Federal Credit Union
Brownsville · Website
Legitimacy93
Online action75
Reviewsno data yet
Coverage 35% · 2026-10-25
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20
81AI ScoreTop 27%
Wells Fargo Bank
Brownsville · Website
Legitimacy96
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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21
80AI ScoreTop 29%
Bank of America ATM
Corpus Christi · Website
Legitimacy93
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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22
80AI ScoreTop 30%
Wells Fargo ATM
McAllen · Website
Legitimacy93
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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23
80AI ScoreTop 31%
Wells Fargo Bank
PORTLAND · Website
Legitimacy93
Online action70
Reviewsno data yet
Coverage 35% · 2026-10-25
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24
75AI ScoreTop 32%
Penfed Credit Union
Corpus Christi · Website
Legitimacy96
Online action60
Reviewsno data yet
Coverage 35% · 2026-10-25
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25
73AI ScoreTop 34%
IBC Bank
Laredo · Website
Legitimacy96
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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26
71AI ScoreTop 35%
Vantage Bank Texas
McAllen · Website
Legitimacy97
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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27
71AI ScoreTop 36%
American Bank
Corpus Christi · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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28
71AI ScoreTop 38%
American Bank
Port Aransas · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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29
71AI ScoreTop 39%
First State Bank of Odem
Robstown · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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30
71AI ScoreTop 40%
Frost Bank
Corpus Christi · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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31
71AI ScoreTop 42%
Gulf Coast Federal Credit Union
Corpus Christi · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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32
71AI ScoreTop 43%
IBC Bank
Mission · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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33
71AI ScoreTop 44%
Inter National Bank
Edinburg · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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34
71AI ScoreTop 46%
Lone Star National Bank
Brownsville · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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35
71AI ScoreTop 47%
Members First Credit Union
Corpus Christi · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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36
71AI ScoreTop 48%
Security Service Federal Credit Union
McAllen · Website
Legitimacy93
Online action55
Reviewsno data yet
Coverage 35% · 2026-10-25
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37
71AI ScoreTop 50%
Texas Regional Bank
Falfurrias · Website
Legitimacy96
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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38
70AI ScoreTop 51%
Falcon International Bank
Laredo · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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39
70AI ScoreTop 52%
IBC Bank
McAllen · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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40
70AI ScoreTop 54%
IBC Bank
Corpus Christi · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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42
70AI ScoreTop 57%
Prosperity Bank
Corpus Christi · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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43
70AI ScoreTop 58%
Security Service Federal Credit Union ATM
Brownsville · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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44
70AI ScoreTop 59%
Texas Regional Bank
McAllen · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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45
70AI ScoreTop 60%
Vantage Bank Texas
Laredo · Website
Legitimacy93
Online action52
Reviewsno data yet
Coverage 35% · 2026-10-25
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46
64AI ScoreTop 62%
Tex-Mex Credit Union
Laredo · Website
Legitimacy96
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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47
63AI ScoreTop 63%
Bank of South Texas
Pharr · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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48
63AI ScoreTop 64%
Bank of South Texas
McAllen · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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49
63AI ScoreTop 66%
Chemcel Federal Credit Union
Kingsville · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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50
63AI ScoreTop 67%
Falcon International
Laredo · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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51
63AI ScoreTop 68%
IBC Bank
Harlingen · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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52
63AI ScoreTop 70%
IBC Bank
Brownsville · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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53
63AI ScoreTop 71%
IBC Bank ATM
Laredo · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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54
63AI ScoreTop 72%
IBC Bank ATM
Corpus Christi · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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55
63AI ScoreTop 74%
Kleberg Bank
Corpus Christi · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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57
63AI ScoreTop 76%
PlainsCapital Bank
Pharr · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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58
63AI ScoreTop 78%
PlainsCapital Bank
Brownsville · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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59
63AI ScoreTop 79%
PlainsCapital Bank
Brownsville · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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60
63AI ScoreTop 80%
PlainsCapital Bank ATM
Harlingen · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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61
63AI ScoreTop 82%
PNC Bank
Laredo · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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62
63AI ScoreTop 83%
Security First Federal Credit Union
Brownsville · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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63
63AI ScoreTop 84%
Texas Regional Bank
Brownsville · Website
Legitimacy93
Online action40
Reviewsno data yet
Coverage 35% · 2026-10-25
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64
55AI ScoreTop 86%
Corpus Christi Grain Exchange
Corpus Christi · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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65
55AI ScoreTop 87%
Ibc Bank
Corpus Christi · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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66
55AI ScoreTop 88%
Inter National Bank
Mission · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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67
55AI ScoreTop 90%
Texas National Bank
Edinburg · Website
Legitimacy96
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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68
54AI ScoreTop 91%
Casa De Cambio Reynosa
Mission · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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69
54AI ScoreTop 92%
Galvan National Carriers
Los Fresnos · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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70
54AI ScoreTop 94%
Greater State Bank - Weslaco Branch
Weslaco · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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71
54AI ScoreTop 95%
IBC Bank ATM
Brownsville · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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72
54AI ScoreTop 96%
Lone Star National Bank
Pharr · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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73
54AI ScoreTop 98%
NXS Consulting
Brownsville · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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74
54AI ScoreTop 99%
PlainsCapital Bank ATM
McAllen · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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75
54AI ScoreTop 100%
Western Union
Pharr · Website
Legitimacy93
Online action25
Reviewsno data yet
Coverage 35% · 2026-10-25
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See every graded banks & credit unions company: Corpus Christi · Laredo · Rio Grande Valley · South Texas

How the AI Score works

Every company carries an AI Score from 1–100, computed by one published formula from the signals measurable today — legitimacy and online action, verified across at least two independent sources (open place datasets and public registries). The formula's other factors — blended reviews, complaint record, and responsiveness — carry no weight in the score until licensed data sources for them exist. When they land, the score re-spreads across the full formula.

One disclosed exception: a score of 100 is reserved for RankMyCompany clients; every other score is computed by the same formula for everyone. Scores are not spread artificially — companies with identical measured data share identical scores — and each listing also shows its rank and its percentile within its category.

Missing-data rule: when a factor has no lawful data source for a company yet, its weight redistributes proportionally across the factors that do have data, and every score shows its data-coverage %. Coverage rises as licensed sources are added; scores are recomputed monthly and score history is kept for every company.

No score is ever adjusted by hand, sold, or removed for payment. Companies marked RMC Client are scored by the exact same formula as everyone else — the 100 cap above is the only exception, and it is disclosed here rather than hidden. If your company's underlying data is wrong, file a correction on the dispute page — disputes fix the data, and the corrected data flows into the next ranking run.

Place data: © OpenStreetMap contributors (ODbL) and Overture Maps Foundation (CDLA Permissive 2.0). Listings are refreshed monthly; a score change from a refresh takes effect only after the new score holds for two consecutive runs. Formula changes are published as a new methodology version — never applied silently.

Read the full standard — The RMC Standard →