Air Tech Credit Union Milwaukee, Wisconsin
Air Tech Credit Union is a state-chartered credit union headquartered in Milwaukee, WI, established in 1956 (NCUA charter 66546), and it is regulated and insured by the NCUA. At Q2 2026 it reported 650 members and total assets of $2.1M (down 1.7% from Q2 2025), the 94th largest of 98 credit unions headquartered in Wisconsin. Its net worth ratio was 27.62% at Q2 2026, in the well capitalized band.
Also written as Air Tech CU
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Data as of · sourced from NCUA 5300 call reports. How we update
- Charter
- State-chartered credit union
- Regulator
- NCUA
- Deposit insurance
- NCUA (NCUSIF)
- NCUA charter number
- 66546
- Headquarters
- Milwaukee, WI
- Established
- 1956
- Total assets, Q2 2026
- $2.1M
- Assets vs Q2 2025
- -1.7%
- Members, Q2 2026
- 650
- Net worth ratio, Q2 2026
- 27.62%
- Latest call report
- Q2 2026, NCUA 5300 · Air Tech Credit Union call report
- Asset rank in state
- 94th of 98 in Wisconsin
- Routing number
- 275079578
- Branches
- 1
It has 16 fewer members than on June 30, 2025 (-2.4%). Its net worth ratio was up 0.84 percentage points from 26.78% on June 30, 2025. Used vehicle loans are its largest loan category, $604K of $965K in total loans on its June 30, 2026 filing.
Frequently asked about Air Tech Credit Union
How big is Air Tech Credit Union?
At Q2 2026 it reported total assets of $2.1M and 650 members.
Where is Air Tech Credit Union headquartered?
It is headquartered in Milwaukee, WI, United States.
When was Air Tech Credit Union founded?
It was established in 1956, per NCUA records.
Is Air Tech Credit Union FDIC insured?
No. The FDIC insures banks, not credit unions. It is a federally insured credit union (NCUA charter 66546): member shares are insured by the National Credit Union Share Insurance Fund, run by the NCUA, up to $250,000 per member, per insured credit union, for each account ownership category, the same limit the FDIC applies to bank deposits.
Who regulates Air Tech Credit Union?
It is a state-chartered credit union, supervised by its state credit union regulator and by the NCUA, which insures its shares.
Is Air Tech Credit Union well capitalized?
Its net worth ratio was 27.62% at Q2 2026, in the well capitalized band. NCUA considers a credit union well capitalized at a net worth ratio of 7% or higher.
What is Air Tech Credit Union's loan-to-share ratio?
Its loan-to-share ratio was 62.29% at Q2 2026: total loans as a share of member shares and deposits.
Credit Union Profile
- Headquarters
- Milwaukee, WI 53207
- Charter Type
- State-chartered credit union
- Primary Regulator
- NCUA
- Insurance
- NCUSIF
- Established
- 1956
- NCUA Charter #
- 66546
- RSSD ID
- 557894
- Members
- 650
- Potential members
- 1,200
Size & Membership
Profitability
Q2 annualizedCapital & Asset Quality
Peer comparison: credit unions of similar size
It ranks against 2,479 credit unions with under $100M in assets, as of Q2 2026. It is in the top quartile on 2 of 6 ranked measures and in the bottom quartile on 2.
| Metric | This credit union | Peer median | Rank among peers |
|---|---|---|---|
| Net worth ratio Middle half of peers: 11.14% to 19.38% | 27.62% | 14.31% | over 90th top |
| Return on assets Middle half of peers: 0.16% to 1.30% | 0.18% | 0.72% | 26th below |
| Return on equity Middle half of peers: 1.04% to 8.69% | 0.66% | 4.74% | 24th bottom |
| Net interest margin Middle half of peers: 3.31% to 4.53% | 4.42% | 3.93% | 70th above |
| Efficiency ratio Middle half of peers: 68.03% to 91.60% | 94.67% | 79.83% | 21st bottom |
| Cost of funds Middle half of peers: 0.37% to 1.23% | 0.05% | 0.78% | over 90th top |
| Delinquency ratio Middle half of peers: 0.35% to 1.93% | not on file | 0.86% | not on file |
| Yield on assets Middle half of peers: 4.21% to 5.32% | 4.47% | 4.70% | 38th position only |
| Loan-to-share ratio Middle half of peers: 42.33% to 75.81% | 62.29% | 58.92% | 55th position only |
Quarterly trends
Last 6 quarters of 5300 filings. Under each chart, Q2 2026 against Q2 2025. How these charts are built
$2.1M total assets against $2.2M; $1.5M total shares and deposits against $1.6M; $965K total loans against $1.2M.
$592K net worth against $584K.
27.62% net worth ratio against 26.78%.
62.29% loan-to-share ratio against 74.88%.
0.18% return on assets against -0.18%; 0.66% return on equity against -0.69%.
4.42% net interest margin against 4.80%.
650 members against 666.
Quarterly trend: last 6 quarters
| Quarter | Net worth ratio | ROA | Delinquency | Loan-to-share |
|---|---|---|---|---|
| June 30, 2026 | 27.62% | 0.18% | — | 62.29% |
| March 31, 2026 | 27.42% | 0.18% | 1.13% | 59.73% |
| December 31, 2025 | 27.08% | 1.13% | 0.48% | 65.18% |
| September 30, 2025 | 27.90% | 0.02% | — | 76.12% |
| June 30, 2025 | 26.78% | -0.18% | — | 74.88% |
| March 31, 2025 | 26.42% | -0.04% | — | 84.34% |
Scroll sideways to see every column.
How we read these figures
Glossary: net worth ratio, delinquency, ROA, loan-to-share. The net worth category is ours, from NCUA's 7% well and 6% adequately capitalized cutoffs. It is not NCUA's determination, which can differ. ROA, ROE and margin annualize the quarter; NCUA's Financial Performance Report annualizes the year to date (YTD). Peer rank interpolates size-band percentiles. Methodology.