Service First Mechanical LLC is a South Dakota LLC, registered on August 2, 2017. It is based at 2210 East 39th Street North, Sioux Falls, SD, 57104. The company is currently listed as active on the South Dakota register and is registered under company number DL135608. Public records for the company include 1 SoS registration, 1 license, 3 federal contracts, 5 loan records, 2 USDOT records and 1 Form 5500 filing. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | Service First Mechanical LLC |
|---|---|
| Principal address | 2210 East 39th Street NorthSioux Falls57104SDUnited States3090 ROCK ISLAND RD, IRVING, TX, 75060 |
| Registration state | South Dakota |
| Status | Active |
| Registered | 2 August 2017 (about 9 years ago) |
| Shareholders | RALPH LAMBERTI, owner |
| Entity type | LLC |
| Standing | compliant |
| Company number | DL135608 |
| USDOT carrier | USDOT 3871891 · 1 power unit · 1 driver · Interstate |
| Registered agent | WALSH & COMPANY TAX, BOOKKEEPING & CONSULTING PLLC |
| Source registry | South Dakota Secretary of State · updated 15 June 2026 |
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| Public records | 1 SoS registration |
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| Federal contractor | Yes · 3 federal recipient records (SAM) |
|---|---|
| SBA loans | $861K · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | Service First Mechanical LLC | 2017-08-02 | WALSH & COMPANY TAX, BOOKKEEPING & CONSULTING PLLC | — | Active | |
Filing ID DL135608 Jurisdiction Domestic · LLC Principal address 2210 East 39th Street North, Sioux Falls, SD, 57104 Registered agent WALSH & COMPANY TAX, BOOKKEEPING & CONSULTING PLLC3813 S WESTERN AVE, STE B, SIOUX FALLS, SD, 57105 Officers Not reported | ||||||
Companies and people linked to Service First Mechanical 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 | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| Texas | 23723 | A/C Contractor | — | Unknown | |
| Texas | 3871891 | Interstate carrier | — | Inactive | |
| Texas | 3871891 | Carrier authority (USDOT) | — | Inactive | |
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $75,000 | 2017-08-18 | The First National Bank in Sioux Falls | — | P I F | |
| $627,400 | 2017-05-16 | Regions Bank | — | P I F | |
| $35,000 | 04/27/2020 | American Bank and Trust | 4 | Paid in Full | |
| $91,000 | 04/16/2020 | Regions Bank | 1 | Paid in Full | |
| $32,438 | 01/31/2021 | Regions Bank | 2 | Paid in Full | |
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| SERVICE FIRST MECHANICAL, LLC 401(K) PROFIT SHARING PLAN | — | — | — | |
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Companies adjacent to Service First Mechanical LLC 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 2026-06-07. Document getpalm-companies/9467-8677-7822.