MIDCO DIVING & MARINE SERVICES, INC. is a South Dakota corporation, registered on September 25, 2003. It is based at 3111 Lien St, Rapid City, SD, 57702. The company is currently listed as active on the South Dakota register and is registered under company number DB047364. Its E-Verify enrollment reports a workforce of 20 to 99 employees, hiring at 1 site in South Dakota. Public records for the company include 1 SoS registration, 1 license, 5 federal contracts, 4 loan records, 1 E-Verify record, 2 USDOT records 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 | MIDCO DIVING & MARINE SERVICES, INC. |
|---|---|
| Principal address | 3111 Lien StRapid City57702SDUnited States |
| Mailing address | PO BOX 513, RAPID CITY, SD, 57709-0513 |
| Registration state | South Dakota |
| Status | Active |
| Registered | 25 September 2003 (almost 23 years ago) |
| Shareholders | ROBERT GREENSPAN, owner |
| Entity type | Corporation |
| Standing | compliant |
| Company number | DB047364 |
| EIN | 20-0032501 |
| Employees (modeled) | ≈28 employees2024 |
|---|
| Workforce size | 20 to 99 employees · updated 17 October 2019 |
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| Hiring sites | 1 site in South Dakota |
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| USDOT carrier | USDOT 1956527 · 8 power units · 25 drivers · Interstate |
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| Registered agent | Robert M Greenspan |
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| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
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| Public records | 1 SoS registration |
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| Est. revenue (modeled) | $6.3M2024 |
|---|---|
| Federal contracts | $531K · 70 awards |
| SBA loans | $566K · approved amounts |
| Total obligated | $531K |
|---|---|
| Awards | 70 |
| Top agency | Department of Defense |
| Action date | Agency | Obligated | |
|---|---|---|---|
| 2026-05-15 | Department of the Interior | $7K | |
| 2026-04-30 | Department of Defense | $4K | |
| 2026-02-23 | Department of the Interior | $14K | |
| 2025-10-31 | Department of the Interior | $8K | |
| 2025-09-13 | Department of Veterans Affairs | $4K | |
| 2025-02-26 | Department of the Interior | $0 | |
| 2025-01-28 | Department of the Interior | $6K | |
| 2024-09-16 | Department of Defense | $19K | |
| 2024-08-30 | Department of Agriculture | $-300 | |
| 2024-06-28 | Department of Agriculture | $16K | |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | MIDCO DIVING & MARINE SERVICES, INC. | 2003-09-25 | Robert M Greenspan | — | Active | |
Filing ID DB047364 Jurisdiction Domestic · Corporation Principal address 3111 Lien St, Rapid City, SD, 57702 Registered agent Robert M Greenspan3111 LIEN ST, RAPID CITY, SD, 57702 Officers Not reported | ||||||
| Alabama | Midco Diving & Marine Services Inc | 2026-06-04 | Incorp Services, Inc | — | Active | |
| Arizona | Midco Diving & Marine Services, Inc. | 2023-09-22 | InCorp Services, Inc | Heather GreenspanOfficerRobert GreenspanDirector | Active | |
| California | MIDCO DIVING & MARINE SERVICES, INC. | 2014-01-13 | INCORP SERVICES, INC | ROBERT GREENSPANOfficerHeather GreenspanOfficer | Active | |
| Colorado | Midco Diving & Marine Services, Inc. | 2013-03-05 | INCORP SERVICES, INC | — | Active | |
| Montana | Midco Diving & Marine Services, Inc. | 2021-03-05 | INCORP SERVICES, INC | Robert GreenspanOfficerHeather GreenspanOfficer | Active | |
| North Dakota | MIDCO DIVING & MARINE SERVICES INC. | 2011-11-03 | SEARCH COMPANY OF NORTH DAKOTA LLC | — | Active | |
| New Mexico | MIDCO DIVING & MARINE SERVICES, INC | 2015-03-23 | INCORP SERVICES INC | HEATHER GREENSPANOfficerROBERT GREENSPANOfficer, Director | Revoked | |
| Ohio | MIDCO DIVING & MARINE SERVICES, INC. | 2020-04-30 | INCORP SERVICES, INC | — | Active | |
| Oregon | MIDCO DIVING & MARINE SERVICES, INC. | 2019-10-15 | INCORP SERVICES, INC | ROBERT GREENSPANOfficerHEATHER GREENSPANOfficer | Active | |
| Washington | MIDCO DIVING & MARINE SERVICES, INC. | 2020-10-07 | INCORP | ROBERT GREENSPANDirector | Active | |
Companies and people linked to MIDCO DIVING & MARINE SERVICES, 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.
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| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| Montana | 19959-2011-19959 | Itinerant Merchant | 2011-07-18 | Expired | |
| South Dakota | 1956527 | Interstate carrier | — | Active | |
| South Dakota | 1956527 | Carrier authority (USDOT) | — | Active | |
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $70,000 | 2011-06-24 | Security First Bank | — | P I F | |
| $37,500 | 2005-05-16 | Security First Bank | — | P I F | |
| $223,457 | 04/05/2020 | Security First Bank | 15 | Paid in Full | |
| $235,357 | 02/07/2021 | Security First Bank | 22 | Paid in Full | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| South Dakota | 20 to 99 | 1 | 2/5/2014 | CONSTRUCTION (23) | Open | |
Employee-benefit plan filings by MIDCO DIVING & MARINE SERVICES, 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) | ≈28 · plan year 2024 |
|---|---|
| Est. annual revenue (modeled) | $6.3M |
| Retirement plan assets | $350,336 |
| Benefit plans | 401(k) plan on file |
| Filing history | 3 plan years filed, 2022–2024 |
| Sponsor EIN | 20-0032501 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2024 | ≈28 | 30 (25 active) | $350,336 | $6.3M | 401(k) | |
| 2023 | ≈21 | 19 (19 active) | $97,619 | $4.4M | 401(k) | |
| 2022 | ≈9 | 8 (8 active) | — | $2.3M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| MIDCO DIVING & MARINE SERVICES, INC. 401(K) PLAN | — | — | — | |
| MIDCO DIVING & MARINE SERVICES, INC. 401(K) PLAN | — | — | — | |
| MIDCO DIVING & MARINE SERVICES, INC. 401(K) PLAN | — | — | — | |
Federal court records load when you reach this section.
10 companies are registered at 3111 Lien St, Rapid City — 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/9887-9093-2874.