WEST RIVER ANESTHESIOLOGY CONSULTANTS, P.C. is a South Dakota corporation, registered on November 1, 1978. It is based at 631 ST. ANNE STREET, STE 102, RAPID CITY, SD, 57701-4693. The company is currently listed as active on the South Dakota register, is registered under company number DB016109 and carries EIN 460348920. Public records for the company include 1 SoS registration and 1 federal contract. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | WEST RIVER ANESTHESIOLOGY CONSULTANTS, P.C. |
|---|---|
| Principal address | 631 ST. ANNE STREET, STE 102RAPID CITY57701-4693SDUnited States |
| Registration state | South Dakota |
| Status | Active |
| Registered | 1 November 1978 (almost 48 years ago) |
| Entity type | Corporation |
| Standing | compliant |
| Company number | DB016109 |
| EIN | 460348920 |
| Employees (modeled) | ≈24 employees2024 |
| Registered agent | Treasurer |
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
| Public records |
|---|
| 1 SoS registration |
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| Est. revenue (modeled) | $19.7M2024 |
|---|---|
| Federal contractor | Yes · 1 federal recipient record (SAM) |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | WEST RIVER ANESTHESIOLOGY CONSULTANTS, P.C. | 1978-11-01 | Treasurer | — | Active | |
Filing ID DB016109 Jurisdiction Domestic · Corporation Principal address 631 ST. ANNE STREET, STE 102, RAPID CITY, SD, 57701-4693 Registered agent Treasurer631 ST ANNE STREET STE 102, RAPID CITY, SD, 57701 Officers Not reported | ||||||
Companies and people linked to WEST RIVER ANESTHESIOLOGY CONSULTANTS, P.C. 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 WEST RIVER ANESTHESIOLOGY CONSULTANTS, P.C. 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) | ≈24 · plan year 2024 |
|---|---|
| Est. annual revenue (modeled) | $19.7M |
| Retirement plan assets | $13.5M |
| Benefit plans | No 401(k) on file |
| Filing history | 26 plan years filed, 1999–2024 |
| Sponsor EIN | 46-0348920 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2024 | ≈24 | 23 (22 active) | $13.5M | $19.7M | Pension | |
| 2023 | ≈24 | 24 (22 active) | $11.1M | $18.4M | Pension | |
| 2022 | ≈28 | 25 (25 active) | $12.3M | $18.9M | Pension | |
| 2021 | ≈26 | 24 (23 active) | $15.4M | $16.5M | Pension | |
| 2020 | ≈24 | 22 (22 active) | $13.8M | $15.6M | Pension | |
| 2019 | ≈21 | 19 (19 active) | $11.6M | $14.5M | Pension | |
| 2018 | ≈21 | 19 (19 active) | $10.4M | $14.5M | Pension | |
| 2017 | ≈20 | 18 (18 active) | $10.2M | $13.8M | Pension | |
| 2016 | ≈19 | 17 (17 active) | $8M | $13.1M | Pension | |
| 2015 | ≈19 | 17 (17 active) | $6.7M | $12.8M | Pension | |
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Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-06-17. Document getpalm-companies/9479-9756-4799.