Mainstreet LLC is a South Dakota LLC, registered on September 22, 2021. It is based at 330 S. Poplar Ave., Suite 103, Pierre, SD, 57501. The company is currently listed as active on the South Dakota register and is registered under company number DL210761. Public records for the company include 1 SoS registration and 1 federal contract. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | Mainstreet LLC |
|---|---|
| Principal address | 330 S. Poplar Ave., Suite 103Pierre57501SDUnited States |
| Registration state | South Dakota |
| Status | Active |
| Registered | 22 September 2021 (almost 5 years ago) |
| Entity type | LLC |
| Standing | compliant |
| Company number | DL210761 |
| Registered agent | DT SERVICES, LLC |
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
| Public records | 1 SoS registration |
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| Federal contractor | Yes · 1 federal recipient record (SAM) |
|---|
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | Mainstreet LLC | 2021-09-22 | DT SERVICES, LLC | — | Active | |
Filing ID DL210761 Jurisdiction Domestic · LLC Principal address 330 S. Poplar Ave., Suite 103, Pierre, SD, 57501 Registered agent DT SERVICES, LLC330 S POPLAR AVENUE, SUITE 103, PIERRE, SD, 57501 Officers Not reported | ||||||
Companies and people linked to Mainstreet 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.
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Companies adjacent to Mainstreet LLC in the South Dakota Secretary of State register, in alphabetical order.
5 companies are registered at 330 S. Poplar Ave., Suite 103, Pierre — 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/5452-9252-9985.