STONEYBROOK, INC. is a South Dakota corporation, registered on October 28, 1999. It is based at 4501 E PAMPAS PL, SIOUX FALLS, SD, 57110. The company is currently listed as active on the South Dakota register, is registered under company number DB041981 and carries EIN 460455121. Public records for the company include 1 SoS registration, 2 federal contracts, 1 loan record and 17 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | STONEYBROOK, INC. |
|---|---|
| Principal address | 4501 E PAMPAS PLSIOUX FALLS57110SDUnited States |
| Registration state | South Dakota |
| Status | Active |
| Registered | 28 October 1999 (almost 27 years ago) |
| Entity type | Corporation |
| Standing | compliant |
| Company number | DB041981 |
| EIN | 460455121 |
| Employees (modeled) | ≈42 employees2025 |
| Registered agent | BRUCE M. BURCKHARDT |
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
| Public records | 1 SoS registration |
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| Est. revenue (modeled) | $3.2M2025 |
|---|---|
| Federal contractor | Yes · 2 federal recipient records (SAM) |
| SBA loans | $875K · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | STONEYBROOK, INC. | 1999-10-28 | BRUCE M. BURCKHARDT | — | Active | |
Filing ID DB041981 Jurisdiction Domestic · Corporation Principal address 4501 E PAMPAS PL, SIOUX FALLS, SD, 57110 Registered agent BRUCE M. BURCKHARDT Officers Not reported | ||||||
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| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $875,200 | 04/03/2020 | American Bank and Trust | 105 | Paid in Full | |
Employee-benefit plan filings by STONEYBROOK, 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) | ≈42 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $3.2M |
| Retirement plan assets | $1.8M |
| Benefit plans | 401(k) plan on file |
| Filing history | 20 plan years filed, 2006–2025 |
| Sponsor EIN | 46-0455121 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈42 | 91 (38 active) | $1.8M | $3.2M | 401(k) | |
| 2024 | ≈51 | 90 (46 active) | $1.7M | $3.7M | 401(k) | |
| 2023 | ≈86 | 124 (77 active) | $1.5M | $4.8M | 401(k) | |
| 2022 | ≈73 | 104 (66 active) | $1.2M | $4.2M | 401(k) | |
| 2021 | ≈88 | 112 (79 active) | $1.3M | $4.6M | 401(k) | |
| 2020 | ≈84 | 95 (76 active) | $1.3M | $14.4M | 401(k) | |
| 2019 | ≈81 | 88 (73 active) | $1M | $14.1M | 401(k) | |
| 2018 | ≈84 | 100 (76 active) | $794,371 | $14.1M | 401(k) | |
| 2017 | ≈83 | 94 (75 active) | $832,543 | $13.5M | 401(k) | |
| 2016 | ≈77 | 91 (69 active) | $673,444 | $12.6M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
| STONEYBROOK SUITES 401(K) PLAN | — | — | — | |
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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 2026-06-16. Document getpalm-companies/0354-5484-5093.