WS AUDIOLOGY USA, INC. is a Missouri corporation, registered on June 6, 2005. It is based at 5661 Telegraph Rd Ste 4B, Saint Louis, MO, 63129-4275, USA. The company is currently listed as active on the Missouri register and is registered under company number F00664489. Its officers and directors on record include Carsteen Buhl, Michael O'Neil, CARRIE A. MITTON, among 8 on file. Its E-Verify enrollment reports a workforce of 100 to 499 employees, hiring at 5 sites across 4 states. Public records for the company include 1 SoS registration, 23 UCC liens, 3 licenses, 2 federal contracts, 1 E-Verify record and 3 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | WS AUDIOLOGY USA, INC. |
|---|---|
| Principal address | 5661 Telegraph Rd Ste 4BSaint Louis63129-4275MOUnited States |
| Mailing address | 10 CONSTITUTION AVENUE, POB 1397, Piscataway, NJ, 08854-6145, US |
| Registration state | Missouri |
| Status | Active |
| Formed in | Delaware (foreign registration) |
| Home company | WS AUDIOLOGY USA, INC. |
| Registered | 6 June 2005 (about 21 years ago) |
| Officers & directors | Carsteen Buhl |
| Entity type | Corporation |
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| Standing | compliant |
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| Company number | F00664489 |
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| EIN | 22-2102429 |
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| LEI | 5493003H7T25TQ12TK86 |
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| Employees (modeled) | ≈2,480 employees2025 |
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| Workforce size | 100 to 499 employees · updated 29 May 2024 |
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| Hiring sites | 5 sites across 4 states |
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| Registered agent | C T CORPORATION SYSTEM |
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| Source registry | Missouri Secretary of State · updated 15 June 2026 |
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| Public records | 1 SoS registration · 23 UCC liens on file |
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| Est. revenue (modeled) | $1B2025 |
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| Federal contractor | Yes · 2 federal recipient records (SAM) |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| MissouriTHIS | WS AUDIOLOGY USA, INC. | 2005-06-06 | C T CORPORATION SYSTEM | Carsteen BuhlDirectorMichael O'NeilDirector, Officer4 more | Active | |
Filing ID F00664489 Jurisdiction Foreign · CorporationFormed in Delaware Principal address 5661 Telegraph Rd Ste 4B, Saint Louis, MO, 63129-4275, USA Registered agent C T CORPORATION SYSTEM120 SOUTH CENTRAL AVE, CLAYTON, MO, 63105 Officers Carsteen BuhlDirector Michael O'NeilDirector, Officer CARRIE A. MITTONOfficer Jeffrey CulbertsonOfficer Ryan Shaeffer WalkerOfficer Ebbe Lund KjaergaardDirector, Officer | ||||||
| Alaska | WS Audiology USA, Inc. | 2009-11-02 | C T Corporation System | CARRIE MITTONSecretaryJANE KASISAAssistant secretary4 more | Active | |
| Alabama | WS Audiology USA, Inc. | 2009-09-14 | C T CORPORATION SYSTEM | — | Active | |
| Arizona | WS AUDIOLOGY USA, INC. | 2010-01-22 | C T CORPORATION SYSTEM | RYAN SHAEFFER WALKEROfficerEbbe Lund KjaergaardOfficer3 more | Active | |
| California | WS AUDIOLOGY USA, INC. | 1976-05-10 | C T CORPORATION SYSTEM | CARSTEN BUHLOfficerMichael O'NeilDirector, Officer11 more | Active | |
| Colorado | WS Audiology USA, Inc. | 2009-09-01 | C T CORPORATION SYSTEM | — | Active | |
| Connecticut | WS Audiology USA, Inc. | 2009-09-28 | C T CORPORATION SYSTEM | Ebbe Lund KjaergaardDirectorRYAN SHAEFFER WALKEROfficer6 more | Active | |
| District of Columbia | WS Audiology USA, Inc. | 2009-10-06 | C T CORPORATION SYSTEM | Michael O'NeilOwnerHenrik NielsenOwner1 more | Active | |
| Delaware | WS AUDIOLOGY USA, INC. | 1976-04-02 | THE CORPORATION TRUST COMPANY | — | Unknown | |
| Florida | WS AUDIOLOGY USA, INC. | 2008-11-17 | C T CORPORATION SYSTEM | CARRIE A MITTONOfficerEbbe L KjaergaardOfficer13 more | Active | |
| Georgia | WS Audiology USA, Inc. | 1985-12-23 | C T CORPORATION SYSTEM | Michael O'NeilOfficerEbbe Lund KjaergaardOfficer1 more | Active | |
| Hawaii | WS AUDIOLOGY USA, INC. | 2009-09-15 | C T CORPORATION SYSTEM | O'NEIL,MICHAELDirector, OfficerBUHL,CARSTENDirector4 more | Active | |
| Iowa | WS AUDIOLOGY USA, INC. | 2009-09-14 | C T CORPORATION SYSTEM | Michael O'NeilDirectorJeffrey C. CulbertsonOfficer3 more | Active | |
| Idaho | WS AUDIOLOGY USA, INC. | 2017-09-11 | C T CORPORATION SYSTEM | HENRIK NIELSENOfficer, DirectorCARRIE MITTONOfficer7 more | Active | |
| Illinois | WS AUDIOLOGY USA, INC. | 1987-08-17 | C T CORPORATION SYSTEM | — | Inactive | |
| Indiana | WS AUDIOLOGY USA, INC. | 2009-09-14 | C T CORPORATION SYSTEM | — | Active | |
| Kansas | WS AUDIOLOGY USA, INC. | 2009-09-14 | C T CORPORATION SYSTEM | — | Active | |
| Kentucky | WS Audiology USA, Inc. | 2013-01-07 | CT CORPORATION SYSTEM | — | Pending | |
| Louisiana | WS AUDIOLOGY USA, INC. | 2009-09-14 | C T CORPORATION SYSTEM | CARRIE MITTONOfficerJEFFREY CULBERTSONOfficer3 more | Active | |
| Massachusetts | WS AUDIOLOGY USA, INC. | 2009-09-14 | C T CORPORATION SYSTEM | Michael O'NeilOfficerHENRIK NIELSENOfficer, Director1 more | Active | |
| Maryland | WS AUDIOLOGY USA, INC | 2009-09-01 | THE CORPORATION TRUST INCORPORATED | — | Active | |
| Maine | WS AUDIOLOGY USA, INC. | 2009-09-14 | C T CORPORATION SYSTEM | — | Active | |
| Michigan | WS AUDIOLOGY USA, INC. | 2009-09-15 | C T CORPORATION SYSTEM | — | Active | |
| Minnesota | WS AUDIOLOGY USA, INC. | 1985-12-20 | C T Corporation System Inc | Michael O'NeilOfficer | Active | |
| Mississippi | WS Audiology USA, INC. | 2009-09-15 | C T CORPORATION SYSTEM | CARSTEN BUHLDirectorHENRIK NIELSENDirector, Officer3 more | Active | |
| Montana | WS Audiology USA, Inc. | 2009-09-15 | C T CORPORATION SYSTEM | Ryan Schaefer-WalkerOfficerEbbe Lund KjaergaardOfficer, Director2 more | Active | |
| North Carolina | WS Audiology USA, Inc. | 2009-07-24 | CT Corporation System | Schaeffer Walker, RyanOfficerKjaergaard, Ebbe LundOfficer2 more | Active | |
| North Dakota | WS Audiology USA, Inc. | 1996-09-13 | C T CORPORATION SYSTEM | — | Active | |
| Nebraska | WS AUDIOLOGY USA, INC. | 2009-07-30 | C T CORPORATION SYSTEM | ALAN GOTLIFFEOfficerBRYAN BUTLEROfficer23 more | Active | |
| New Hampshire | WS AUDIOLOGY USA, INC. | 2009-07-31 | C T Corporation System | Jeffrey C. CulbertsonOfficerEbbe Lund KjaergaardOfficer, Director3 more | Active | |
| New Mexico | WS AUDIOLOGY USA, INC. | 2009-08-03 | C T CORPORATION SYSTEM | RICHARD ZREBIECDirector, OfficerMichael O'NeilDirector, Officer8 more | Active | |
| Nevada | WS Audiology USA, Inc. | 2009-07-30 | C T CORPORATION SYSTEM** | Jeffrey C CulbertsonOfficerHarrison BoydDirector4 more | Active | |
| Ohio | WS AUDIOLOGY USA, INC. | 1989-05-17 | CT CORPORATION SYSTEM | — | Active | |
| Oklahoma | WS AUDIOLOGY USA, INC. | 2009-10-07 | THE CORPORATION COMPANY | — | Active | |
| Oregon | WS AUDIOLOGY USA, INC. | 2009-07-21 | C T CORPORATION SYSTEM | MICHAEL O'NEILOfficerCARRIE A MITTONOfficer | Active | |
| Pennsylvania | WS Audiology USA, Inc. | 2009-08-03 | — | Soren NielsenDirector, OfficerCarrie MittonOfficer3 more | Active | |
| Rhode Island | WS Audiology USA, Inc. | 2009-07-29 | CT CORPORATION SYSTEM | MICHAEL ONEILDirector, OfficerCHAD HOOPESOfficer4 more | Active | |
| South Carolina | WS Audiology USA, Inc. | 2009-09-04 | C T CORPORATION SYSTEM | — | Active | |
| South Dakota | WS AUDIOLOGY USA, INC. | 2009-08-03 | C T CORPORATION SYSTEM | — | Active | |
| Tennessee | WS AUDIOLOGY USA, INC. | 2009-09-23 | C T CORPORATION SYSTEM | — | Active | |
| Texas | WS Audiology USA, Inc. | 1987-06-29 | C T CORPORATION SYSTEM | — | Active | |
| Utah | WS AUDIOLOGY USA, INC. | 2009-09-14 | CT CORPORATION SYSTEM | Ebbe Lund KjaergaardOfficer, DirectorCarrie A. MittonOfficer10 more | Active | |
| Virginia | WS Audiology USA, Inc. | 2009-09-14 | C T CORPORATION SYSTEM | RYAN SCHAEFER WALKEROfficerEBBE LUND KJAERGAARDDirector, Officer3 more | Active | |
| Vermont | WS AUDIOLOGY USA, INC. | 2009-09-14 | C T CORPORATION SYSTEM | Carrie A. MittonOfficerMichael O'NeilOfficer3 more | Active | |
| Washington | WS AUDIOLOGY USA, INC. | 2009-09-11 | C T CORPORATION SYSTEM | JEFFREY CULBERTSON - ASST. SECRETARYDirectorRYAN SCHAEFER WALKER - HEAD OF TAXDirector4 more | Active | |
| Wisconsin | WS AUDIOLOGY USA, INC. | 2016-07-12 | C T CORPORATION SYSTEM | — | Active | |
| West Virginia | WS AUDIOLOGY USA, INC. | 2009-09-11 | C T CORPORATION SYSTEM | JEFFREY C. CULBERTSONOfficerMICHAEL O'NEIL - CEOOfficer4 more | Active | |
| Wyoming | WS Audiology USA, Inc. | 2009-09-11 | C T Corporation System | — | Active | |
Companies and people linked to WS AUDIOLOGY USA, 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
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| — | — | — | — | Unknown | |
| Pennsylvania | — | Sales License/Retail | — | Unknown | |
| Washington | — | — | — | Unknown | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| 4 states | 100 to 499 | 5 | 7/20/2016 | MANUFACTURING (31-33) | Open | |
Employee-benefit plan filings by WS AUDIOLOGY USA, 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) | ≈2,480 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $1B |
| Benefit plans | 401(k) plan on file |
| Filing history | 19 plan years filed, 2006–2025 |
| Sponsor EIN | 22-2102429 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈2,480 | 1,977 (2,232 active) | — | $1B | Welfare | |
| 2024 | ≈2,100 | 2,422 (1,894 active) | $204M | $705.7M | 401(k) | |
| 2023 | ≈2,080 | 2,502 (1,871 active) | $191.8M | $695.8M | 401(k) | |
| 2022 | ≈2,330 | 2,684 (2,098 active) | $182.8M | $727.2M | 401(k) | |
| 2021 | ≈2,240 | 2,392 (2,014 active) | $219.8M | $688.2M | 401(k) | |
| 2020 | ≈2,170 | 1,845 (1,955 active) | $203.4M | $558.4M | 401(k) | |
| 2019 | ≈1,430 | 1,787 (1,283 active) | $160.2M | $446.5M | 401(k) | |
| 2018 | ≈1,330 | 1,397 (1,200 active) | $137.3M | $354.9M | 401(k) | |
| 2017 | ≈1,110 | 1,004 (1,002 active) | $126M | $277M | 401(k) | |
| 2016 | ≈1,110 | 1,175 (997 active) | $115M | $280.5M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| WS AUDIOLOGY USA, INC. SAVINGS PLAN | — | — | — | |
| WS AUDIOLOGY USA, INC. SAVINGS PLAN | — | — | — | |
| WS AUDIOLOGY USA, INC. SAVINGS PLAN | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to WS AUDIOLOGY USA, INC. in the Missouri Secretary of State register, in alphabetical order.
41,556 companies are registered at 5661 Telegraph Rd Ste 4B, Saint Louis — shared registered-office and agent addresses are common; a shared address alone does not link businesses.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-07-29. Document getpalm-companies/4799-0194-5309.