MIDCO DIVING & MARINE SERVICES, INC. is a California corporation, registered on January 13, 2014. It is based at 3111 LIEN ST, RAPID CITY, SD, 57702, United States. The company is currently listed as active on the California register and is registered under company number 3636743. Its officers and directors on record include ROBERT GREENSPAN, Heather Greenspan. 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 |
| Registration state | California |
| Status | Active |
| Formed in | South Dakota (foreign registration) |
| Home company | MIDCO DIVING & MARINE SERVICES, INC. · Active |
| Registered | 13 January 2014 (over 12 years ago) |
| Officers & directors | ROBERT GREENSPAN, officer |
| Shareholders | ROBERT GREENSPAN, owner |
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| Entity type | Corporation |
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| Standing | compliant |
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| Company number | 3636743 |
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| EIN | 20-0032501 |
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| Employees (modeled) | ≈28 employees2024 |
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| 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 | INCORP SERVICES, INC |
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| Source registry | California Secretary of State · updated 10 August 2026 |
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| Public records | 1 SoS registration |
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| Est. revenue (modeled) | $6.3M2024 |
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| Federal contractor | Yes · 5 federal recipient records (SAM) |
| SBA loans | $566K · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| CaliforniaTHIS | MIDCO DIVING & MARINE SERVICES, INC. | 2014-01-13 | INCORP SERVICES, INC | ROBERT GREENSPANOfficerHeather GreenspanOfficer1 more | Active | |
Filing ID 3636743 Jurisdiction Foreign · CorporationFormed in South Dakota Principal address 3111 LIEN ST, RAPID CITY, SD, 57702, United States Registered agent INCORP SERVICES, INC5716 CORSA AVE SUITE 110, WESTLAKE VILLAGE, CA, 91362 Officers ROBERT GREENSPANOfficer Heather GreenspanOfficer 5 Star Lenders LLCOfficer | ||||||
| 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 | |
| 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 | |
| South Dakota | MIDCO DIVING & MARINE SERVICES, INC. | 2003-09-25 | Robert M Greenspan | — | 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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Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| 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 | — | — | — | |
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Companies adjacent to MIDCO DIVING & MARINE SERVICES, INC. in the California Secretary of State register, in alphabetical order.
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/6068-7594-1770.