Duffield Construction, LLC is a South Dakota LLC, registered on December 17, 1992. It is based at 1600 Broadway, Suite 1600, DENVER, CO, 80202-4916. The company has since been marked inactive on the South Dakota register, is registered under company number DL043552 and carries EIN 460423993. Public records for the company include 1 SoS registration, 2 federal contracts, 1 loan 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 | Duffield Construction, LLC |
|---|---|
| Doing business as | DUFFIELD CONSTRUCTION, INC. |
| Principal address | 1600 Broadway, Suite 1600DENVER80202-4916COUnited States3060 N HAINES AVE, RAPID CITY, SD, 57701 |
| Registration state | South Dakota |
| Status | Inactive |
| Registered | 17 December 1992 (over 33 years ago) |
| Shareholders | DAVID KINSELLA, owner |
| Entity type | LLC |
| Standing | not compliant |
| Company number | DL043552 |
| EIN | 460423993 |
| Employees (modeled) |
|---|
| ≈3 employees2014 |
| USDOT carrier | USDOT 877650 · 14 power units · 4 drivers · Interstate |
|---|
| 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) | $1.7M2014 |
|---|---|
| Federal contractor | Yes · 2 federal recipient records (SAM) |
| SBA loans | $91K · approved amounts |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | Duffield Construction, LLC | 1992-12-17 | C T CORPORATION SYSTEM | — | Inactive | |
Filing ID DL043552 Jurisdiction Domestic · LLC Principal address 1600 Broadway, Suite 1600, DENVER, CO, 80202-4916 Registered agent C T CORPORATION SYSTEM319 S COTEAU ST, PIERRE, SD, 57501-3187 Officers Not reported | ||||||
| Montana | DUFFIELD CONSTRUCTION, LLC | 2015-06-24 | C T CORPORATION SYSTEM | DAVID KINSELLAManagerTHOMAS R DERMODYManager | Revoked | |
| Montana | DUFFIELD CONSTRUCTION, INC. | 2007-08-15 | — | TOM FLANIGANOfficerDAVID KINSELLADirector, Officer | Revoked | |
| Montana | Duffield Construction, LLC | 2018-01-05 | — | Anthony Michael O'SullivanManagerJohn SmithManager1 more | Withdrawn | |
| North Dakota | DUFFIELD CONSTRUCTION, LLC | 1998-06-09 | ND Secretary of State (N.D.C.C. § 10-01.1-13) | — | Dissolved | |
| Nebraska | DUFFIELD CONSTRUCTION, INC. | 2005-03-11 | VERMEER EQUIPMENT OF NEBRASKA INCORPORATED | — | Inactive | |
| Nebraska | DUFFIELD CONSTRUCTION, LLC | 2015-08-05 | C T CORPORATION SYSTEM | — | Inactive | |
| Utah | DUFFIELD CONSTRUCTION, INC. | 2012-11-01 | REGISTERED AGENT SOLUTIONS, INC | JOHN DUFFIELDOfficerKAYE DUFFIELDOfficer | Inactive | |
| Wyoming | Duffield Construction, LLC | 1994-04-01 | C T Corporation System | — | Withdrawn | |
Companies and people linked to Duffield Construction, 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.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| State | License / ID | Type | Issued | Status | |
|---|---|---|---|---|---|
| South Dakota | 877650 | Interstate carrier | — | Inactive | |
| South Dakota | 877650 | Carrier authority (USDOT) | — | Inactive | |
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $91,300 | 1993-07-07 | The Bank of Baker | — | P I F | |
Employee-benefit plan filings by Duffield Construction, 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) | ≈3 · plan year 2014 |
|---|---|
| Est. annual revenue (modeled) | $1.7M |
| Retirement plan assets | $1.9M |
| Benefit plans | 401(k) plan on file |
| Filing history | 16 plan years filed, 1999–2014 |
| Sponsor EIN | 46-0423993 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2014 | ≈3 | 7 (3 active) | $1.9M | $1.7M | 401(k) | |
| 2013 | ≈8 | 7 | $1.4M | $2.7M | 401(k) | |
| 2012 | ≈10 | 9 | $1.6M | $3.1M | 401(k) | |
| 2011 | ≈18 | 16 | $1.3M | $3.8M | 401(k) | |
| 2010 | ≈17 | 15 | $1.3M | $3.5M | 401(k) | |
| 2009 | ≈17 | 15 | $1.1M | $3.4M | 401(k) | |
| 2008 | ≈10 | 15 (9 active) | $735,846 | $2.6M | 401(k) | |
| 2007 | ≈11 | 10 (10 active) | $957,982 | $2.7M | 401(k) | |
| 2006 | ≈7 | 10 (6 active) | $425,032 | $1.8M | 401(k) | |
| 2005 | ≈6 | 9 (5 active) | $683,464 | $1.7M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| DUFFIELD CONSTRUCTION, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
| DUFFIELD CONSTRUCTION, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
| DUFFIELD CONSTRUCTION, INC. 401(K) PROFIT SHARING PLAN | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to Duffield Construction, LLC in the South Dakota Secretary of State register, in alphabetical order.
1 company is registered at 1600 Broadway, Suite 1600, DENVER — 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 2026-06-16. Document getpalm-companies/4655-3117-7479.