HYDRO ENGINEERING, INC. is a South Dakota corporation, registered on September 10, 1998. The company has since been marked inactive on the South Dakota register, is registered under company number DB040489 and carries EIN 410978586. Its E-Verify enrollment reports a workforce of 20 to 99 employees, hiring at 1 site in Utah. Public records for the company include 1 SoS registration, 3 federal contracts, 4 loan records, 2 E-Verify records, 2 USDOT records 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 | HYDRO ENGINEERING, INC. |
|---|---|
| Principal address | 115 EAST MAIN ST, A, MN, 55397 |
| Registration state | South Dakota |
| Status | Inactive |
| Registered | 10 September 1998 (almost 28 years ago) |
| Entity type | Corporation |
| Standing | not compliant |
| Company number | DB040489 |
| EIN | 410978586 |
| Employees (modeled) | ≈34 employees2010 |
| Workforce size | 20 to 99 employees · updated 24 July 2023 |
| Hiring sites | 1 site in Utah |
| USDOT carrier |
| Registered agent | ROLLYN H. SAMP |
|---|
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
|---|
| Public records | 1 SoS registration |
|---|
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| Est. revenue (modeled) | $7.4M2010 |
|---|---|
| Federal contractor | Yes · 3 federal recipient records (SAM) |
| SBA loans | $1.9M · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | HYDRO ENGINEERING, INC. | 1998-09-10 | ROLLYN H. SAMP | — | Inactive | |
Filing ID DB040489 Jurisdiction Domestic · Corporation Principal address — Registered agent ROLLYN H. SAMP2101 W 41ST STREET, SUITE 2000, SIOUX FALLS, SD, 57105-6193 Officers Not reported | ||||||
Companies and people linked to HYDRO ENGINEERING, 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.
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| Minnesota | 293139 | Interstate carrier | — | Inactive | |
| Minnesota | 294283 | Interstate carrier | — | Inactive | |
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $150,000 | 2002-01-25 | Wells Fargo Bank National Association | — | P I F | |
| $192,000 | 1994-11-04 | Old National Bank | — | P I F | |
| $718,300 | 04/15/2020 | Bank of Utah | 68 | Paid in Full | |
| $876,200 | 02/22/2021 | Bank of Utah | 64 | Paid in Full | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| Utah | 20 to 99 | 1 | 11/25/2008 | MANUFACTURING (31-33) | Terminated | |
| Utah | 20 to 99 | 1 | 5/1/2020 | MANUFACTURING (31-33) | Open | |
Employee-benefit plan filings by HYDRO ENGINEERING, 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) | ≈34 · plan year 2010 |
|---|---|
| Est. annual revenue (modeled) | $7.4M |
| Retirement plan assets | $1.5M |
| Benefit plans | No 401(k) on file |
| Filing history | 12 plan years filed, 1999–2010 |
| Sponsor EIN | 41-0978586 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2010 | ≈34 | 31 | $1.5M | $7.4M | Pension | |
| 2009 | ≈32 | 29 | $1.5M | $5.1M | Pension | |
| 2008 | ≈30 | 27 (27 active) | $1.3M | $6.9M | Pension | |
| 2007 | ≈28 | 28 (25 active) | $1.1M | $7M | Pension | |
| 2006 | ≈29 | 27 (26 active) | $1.5M | $6.8M | Pension | |
| 2005 | ≈28 | 28 (25 active) | $1.2M | $5.6M | Pension | |
| 2004 | ≈27 | 29 (24 active) | $1.1M | $6.2M | Pension | |
| 2003 | ≈27 | 29 (24 active) | $924,264 | $5.9M | Pension | |
| 2002 | ≈28 | 29 (25 active) | $808,092 | $5.2M | Pension | |
| 2001 | ≈29 | 27 (26 active) | $606,860 | $9.7M | Pension | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| HYDRO ENGINEERING, INC. 401(K) PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PROFIT SHARING PLA | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
| HYDRO ENGINEERING, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to HYDRO ENGINEERING, 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 2026-06-16. Document getpalm-companies/8267-9610-6425.