Winthrop & Weinstine, P.A. Inc. is a Montana corporation, registered on November 14, 2018. It is based at 225 S 6th Street, Suite 3500, Minneapolis, MN, 55402, US. The company has since been marked revoked on the Montana register and is registered under company number F1099178. Its officers and directors on record include Scott J Dongoske, David Aafedt, Tami Diehm, among 4 on file. Public records for the company include 1 SoS registration, 1 federal contract, 1 loan record and 16 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | Winthrop & Weinstine, P.A. Inc. |
|---|---|
| Doing business as | Winthrop & Weinstine, P.A. |
| Principal address | 225 S 6th Street, Suite 3500, Minneapolis, MN, 55402, US |
| Registration state | Montana |
| Status | Revoked |
| Formed in | Minnesota (foreign registration) |
| Home company | WINTHROP & WEINSTINE, P.A. · Active |
| Registered | 14 November 2018 (almost 8 years ago) |
| Officers & directors | Scott J Dongoske, officer, directorDavid Aafedt, officerTami Diehm, officer |
| Dissolved | 2020-11-01 |
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| Entity type | Corporation |
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| Standing | not compliant |
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| Company number | F1099178 |
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| EIN | 41-1722524 |
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| Employees (modeled) | ≈344 employees2024 |
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| Registered agent | C T CORPORATION SYSTEM |
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| Source registry | Montana Secretary of State · updated 15 June 2026 |
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| Public records | 1 SoS registration |
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| Est. revenue (modeled) | $137.8M2024 |
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| Federal contractor | Yes · 1 federal recipient record (SAM) |
| SBA loans | $6.2M · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| MontanaTHIS | Winthrop & Weinstine, P.A. Inc. | 2018-11-14 | C T CORPORATION SYSTEM | Scott J DongoskeOfficer, DirectorDavid AafedtOfficer1 more | Revoked | |
Filing ID F1099178 Jurisdiction Foreign · CorporationFormed in Minnesota Principal address — Registered agent C T CORPORATION SYSTEM3011 AMERICAN WAY, MISSOULA, MT, 59808 Officers Scott J DongoskeOfficer, Director David AafedtOfficer Tami DiehmOfficer | ||||||
| Arizona | WINTHROP & WEINSTINE, P.A. | 2022-02-10 | C T CORPORATION SYSTEM | TAMMERA R. DIEHMOfficerTODD B. URNESSDirector5 more | Active | |
| Colorado | Winthrop & Weinstine, P.A. | 2011-10-31 | Winthrop & Weinstine, P.A | — | Active | |
| Illinois | WINTHROP & WEINSTINE, P.A. (CORP) | 2022-02-09 | C T CORPORATION SYSTEM | — | Active | |
| Maryland | WINTHROP & WEINSTINE, P.A | 2023-02-14 | THE CORPORATION TRUST INCORPORATED | — | Active | |
| Michigan | WINTHROP & WEINSTINE, P.A. | 2022-02-07 | CT CORPORATION | — | Active | |
| Minnesota | WINTHROP & WEINSTINE, P.A. | 1992-05-18 | — | TAMMERA R. DIEHMOfficer | Active | |
| Mississippi | Winthrop & Weinstine, P.A. | 2022-04-13 | C T CORPORATION SYSTEM | Tammera R. DiehmOfficer | Active | |
| Montana | Winthrop & Weinstine, P.A. Inc | 2022-07-12 | C T CORPORATION SYSTEM | Tammera R. DiehmDirector, Officer | Active | |
| North Dakota | Winthrop & Weinstine, P.A. | 2023-09-26 | C T CORPORATION SYSTEM | — | Active | |
| New Mexico | Winthrop & Weinstine, P.A. | 2024-05-23 | C T CORPORATION SYSTEM | Tammera DiehmOfficer, DirectorDavid AafedtOfficer, Director | Active | |
| Nevada | Winthrop & Weinstine, P.A. | 2023-11-21 | C T CORPORATION SYSTEM** | David AafedtOfficerTammera DiehmOfficer1 more | Active | |
| Tennessee | WINTHROP & WEINSTINE, P.A. | 2024-10-08 | C T CORPORATION SYSTEM | — | Active | |
| Texas | Winthrop & Weinstine, P.A. | 2022-02-03 | C T Corporation System | ROBERT OLEKOfficerTODD B URNESSOfficer7 more | Active | |
| Washington | WINTHROP & WEINSTINE, P.A. | 2021-01-05 | C T CORPORATION SYSTEM | DAVID AAFEDTDirectorTAMI DIEHMDirector | Active | |
Companies and people linked to Winthrop & Weinstine, P.A. 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.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $6,180,700 | 04/07/2020 | Bremer Bank, National Association | 260 | Paid in Full | |
Employee-benefit plan filings by Winthrop & Weinstine, P.A. 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) | ≈344 · plan year 2024 |
|---|---|
| Est. annual revenue (modeled) | $137.8M |
| Retirement plan assets | $170.1M |
| Benefit plans | 401(k) plan on file |
| Filing history | 26 plan years filed, 1999–2024 |
| Sponsor EIN | 41-1722524 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2024 | ≈344 | 369 (310 active) | $170.1M | $137.8M | 401(k) | |
| 2023 | ≈320 | 360 (288 active) | $157M | $127.5M | 401(k) | |
| 2022 | ≈309 | 359 (278 active) | $131.7M | $116.5M | 401(k) | |
| 2021 | ≈278 | 328 (250 active) | $163M | $104M | 401(k) | |
| 2020 | ≈254 | 319 (229 active) | $142M | $95.4M | 401(k) | |
| 2019 | ≈261 | 345 (235 active) | $124.7M | $95M | 401(k) | |
| 2018 | ≈326 | 337 (293 active) | $112M | $107.1M | 401(k) | |
| 2017 | ≈320 | 326 (288 active) | $111.6M | $101.7M | 401(k) | |
| 2016 | ≈302 | 299 (272 active) | $92.4M | $95.4M | 401(k) | |
| 2015 | ≈282 | 284 (254 active) | $82.4M | $89.1M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401K PLAN & TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P. A. 401(K) PLAN AND TRUST | — | — | — | |
| WINTHROP & WEINSTINE, P.A. 401(K) PLAN & TRUST | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to Winthrop & Weinstine, P.A. Inc. in the Montana 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 2026-06-16. Document getpalm-companies/2834-6800-2991.