AMBANK COMPANY, INC. is a South Dakota corporation, registered on September 10, 1999. It is based at 525 N MAIN AVE, SIOUX CENTER, IA, 51250-0140. The company is currently listed as active on the South Dakota register, is registered under company number FB022945 and carries EIN 470523895. Public records for the company include 1 SoS registration and 15 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | AMBANK COMPANY, INC. |
|---|---|
| Principal address | 525 N MAIN AVESIOUX CENTER51250-0140IAUnited States |
| Registration state | South Dakota |
| Status | Active |
| Formed in | Iowa (foreign registration) |
| Home company | AMBANK COMPANY, INC. · Active |
| Registered | 10 September 1999 (almost 27 years ago) |
| Entity type | Corporation |
| Standing | compliant |
| Company number | FB022945 |
| EIN | 470523895 |
| LEI | 5493003ZC7SKISBA2026 |
| Employees (modeled) | ≈260 employees2018 |
| Registered agent | Treasurer |
|---|
| Source registry | South Dakota Secretary of State · updated 13 July 2026 |
|---|
| Public records | 1 SoS registration |
|---|
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| Est. revenue (modeled) | $128.7M2018 |
|---|
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | AMBANK COMPANY, INC. | 1999-09-10 | Treasurer | — | Active | |
Filing ID FB022945 Jurisdiction Foreign · CorporationFormed in Iowa Principal address 525 N MAIN AVE, SIOUX CENTER, IA, 51250-0140 Registered agent Treasurer1201 EAST CLIFF PLACE, SIOUX FALLS, SD, 57108 Officers Not reported | ||||||
| Iowa | AMBANK COMPANY, INC. | 1968-04-11 | JOEL WESTRA | STEPHANIE HARSHBARGERDirectorDEN HERDER, W DALEDirector4 more | Active | |
Companies and people linked to AMBANK COMPANY, INC. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
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Employee-benefit plan filings by AMBANK COMPANY, INC. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.
| Employees (modeled) | ≈260 · plan year 2018 |
|---|---|
| Est. annual revenue (modeled) | $128.7M |
| Retirement plan assets | $15.6M |
| Benefit plans | 401(k) plan on file |
| Filing history | 20 plan years filed, 1999–2018 |
| Sponsor EIN | 47-0523895 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2018 | ≈260 | 247 (234 active) | $15.6M | $128.7M | 401(k) | |
| 2017 | ≈261 | 244 (235 active) | $16M | $124.9M | 401(k) | |
| 2016 | ≈250 | 230 (225 active) | $12.9M | $115.2M | 401(k) | |
| 2015 | ≈218 | 184 (196 active) | $11.8M | $96.9M | 401(k) | |
| 2014 | ≈199 | 193 (179 active) | $10.3M | $89.4M | 401(k) | |
| 2013 | ≈191 | 180 (172 active) | $9.3M | $85M | 401(k) | |
| 2012 | ≈171 | 162 (154 active) | $7M | $78.3M | 401(k) | |
| 2011 | ≈178 | 147 (160 active) | $5.8M | $77M | 401(k) | |
| 2010 | ≈163 | 144 (147 active) | $5.2M | $68.9M | 401(k) | |
| 2009 | ≈156 | 124 (140 active) | $4.1M | $66.8M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
| AMBANK COMPANY, INC EMPLOYEES' 401(K) PROFIT SHARING PLAN AND TRUST | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN AND TRUST | — | — | — | |
| AMBANK COMPANY, INC. EMPLOYEES' 401(K) PROFIT SHARING PLAN | — | — | — | |
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Companies adjacent to AMBANK COMPANY, INC. in the South Dakota Secretary of State register, in alphabetical order.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-07-14. Document getpalm-companies/8039-4224-7395.