Credit union · NCUA insured
Endurance Federal Credit Union
Top CarrotA $197.8M credit union headquartered in Duncan, OK, with 13,243 members and 4 branches in Oklahoma. Best rates: CDs 4.20% and savings 2.75% APY.
Endurance Federal Credit Union Carrot Score
Carrot ScoreTop Carrot
Higher than 97% of U.S. banks and credit unions
#1 of 7 in Duncan, OK metroHow the score works →
Deposits are federally insured by the NCUA up to $250,000 per depositor.
About Endurance Federal Credit Union
Chartered in 1960 as Duncan Industrial Services Credit Union, Endurance Federal Credit Union originally serviced Halliburton and other oilfield and industrial employees in Duncan, Oklahoma.
Renamed Halliburton Employees' Credit Union in 1969 and Endurance Federal Credit Union in 2018, the member-owned cooperative serves members across Oklahoma and Texas.
- Headquarters
- 2019 N Highway 81, Duncan, OK 73533
- NCUA charter
- 13898
Membership
Who can join
This may be incomplete or out of date, so check with the credit union before you apply.
Where you live or work
- Persons who live, work, worship, attend school, or operate a business in specified counties or towns across Oklahoma and Texas are eligible for membership.
Employers and groups
- Employees of Halliburton and other Select Employee Groups partnered with the credit union are eligible to join.
Family and household
- Family members of Halliburton employees are eligible to join.
Cost to join
- A share deposit of $25 into a share/savings account is required, and a minimum balance of $25 must be maintained.
Branches
4 branches in Oklahoma
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Oklahoma
4 branches
Duncan area · 2
- Corporate OfficeMain office2019 N Highway 81, Duncan, OK 73533Directions
- North-3675 N. Hwy. 813675 N Highway 81, Duncan, OK 73533Directions
Elk City area · 1
- Elk City-105 Reginal Drive105 Regional Dr, Elk City, OK 73644Directions
Weatherford area · 1
- Weatherford1505 E Main St Ste 102, Weatherford, OK 73096Directions
Walk-in offices from the NCUA directory as of March 31, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.
Financial details
Well capitalizedas reported to the NCUA
| Measure | This credit union | Peers’ middle | Strongest quarter |
|---|---|---|---|
| CapitalNet worth ratio | 13.69% | 11.43% | 13.58% or more |
| Troubled loans60+ days late | 0.21% | 0.68% | 0.39% or less |
| ProfitabilityReturn on assets | 0.71% | 0.75% | 1.18% or more |
| LendingLoans per $100 deposited | $66 | $76 | — |
- CapitalNet worth ratio13.69%Peers’ middle 11.43% · Top 25% 13.58%+
- Troubled loans60+ days late0.21%Peers’ middle 0.68% · Top 25% ≤0.39%
- ProfitabilityReturn on assets0.71%Peers’ middle 0.75% · Top 25% 1.18%+
- LendingLoans per $100 deposited$66Peers’ middle $76
Compared with the 1,338 credit unions with $100 million to $1 billion in assets. The strongest quarter is what the best 25% of them reach: more capital and profit, fewer troubled loans. Lending has no better end.Troubled loans are loans 60 or more days late.
Regulators’ own ratings of Endurance Federal Credit Union are confidential. These figures are what it reports to the NCUA each quarter, set beside its peers; they aren’t a rating.