DESIGN TANKS, LLC is a South Dakota LLC, registered on November 10, 2009. It is based at 612 West Blackhawk Street, Sioux Falls, SD, 57104-0321. The company is currently listed as active on the South Dakota register, is registered under company number FL004844 and carries EIN 271094171. 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, 2 federal contracts, 1 E-Verify record 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 | DESIGN TANKS, LLC |
|---|---|
| Principal address | 612 West Blackhawk StreetSioux Falls57104-0321SDUnited States |
| Registration state | South Dakota |
| Status | Active |
| Formed in | Delaware (foreign registration) |
| Home company | DESIGN TANKS, LLC |
| Registered | 10 November 2009 (almost 17 years ago) |
| Entity type | LLC |
| Standing | compliant |
| Company number | FL004844 |
| EIN | 271094171 |
| LEI | 549300OE2YE70GUT7X89 |
| Employees (modeled) | ≈68 employees2025 |
|---|
| Workforce size | 20 to 99 employees · updated 5 September 2025 |
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| Hiring sites | 1 site in South Dakota |
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| Registered agent | C T CORPORATION SYSTEM |
|---|
| 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) | $23M2025 |
|---|---|
| Federal contractor | Yes · 2 federal recipient records (SAM) |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | DESIGN TANKS, LLC | 2009-11-10 | C T CORPORATION SYSTEM | — | Active | |
Filing ID FL004844 Jurisdiction Foreign · LLCFormed in Delaware Principal address 612 West Blackhawk Street, Sioux Falls, SD, 57104-0321 Registered agent C T CORPORATION SYSTEM319 S COTEAU ST, PIERRE, SD, 57501-3187 Officers Not reported | ||||||
| Colorado | Design Tanks LLC | 2017-06-07 | Colorado DOT | — | Inactive | |
| Delaware | DESIGN TANKS, LLC | 2009-10-12 | THE CORPORATION TRUST COMPANY | — | Unknown | |
Companies and people linked to DESIGN TANKS, LLC 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 | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| South Dakota | 20 to 99 | 1 | 3/4/2014 | MANUFACTURING (31-33) | Open | |
Employee-benefit plan filings by DESIGN TANKS, LLC 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) | ≈68 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $23M |
| Retirement plan assets | $2.7M |
| Benefit plans | 401(k) plan on file |
| Filing history | 16 plan years filed, 2010–2025 |
| Sponsor EIN | 27-1094171 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈68 | 82 (61 active) | $2.7M | $23M | 401(k) | |
| 2024 | ≈67 | 74 (60 active) | $2.1M | $19.5M | 401(k) | |
| 2023 | ≈56 | 62 (50 active) | $1.6M | $15.4M | 401(k) | |
| 2022 | ≈54 | 55 (49 active) | $1.2M | $16.6M | 401(k) | |
| 2021 | ≈61 | 85 (55 active) | $1.2M | $13.8M | 401(k) | |
| 2020 | ≈60 | 76 (54 active) | $903,164 | $11.2M | 401(k) | |
| 2019 | ≈58 | 58 (52 active) | $725,879 | $9.2M | 401(k) | |
| 2018 | ≈63 | 69 (57 active) | $557,687 | $12.6M | 401(k) | |
| 2017 | ≈73 | 77 (66 active) | $715,750 | $16.4M | 401(k) | |
| 2016 | ≈59 | 62 (53 active) | $563,451 | $15.1M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401K PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
| DESIGN TANKS, LLC 401(K) PLAN | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to DESIGN TANKS, LLC in the South Dakota Secretary of State register, in alphabetical order.
1 company is registered at 612 West Blackhawk Street, Sioux Falls — 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 2026-06-17. Document getpalm-companies/0702-8988-4445.