THE DENNIS ENGINEERING GROUP, LLC is a South Dakota LLC, registered on September 16, 2010. It is based at 1537 MAIN STREET, SPRINGFIELD, MA, 01103. The company is currently listed as active on the South Dakota register, is registered under company number FL005309 and carries EIN 042993285. Its E-Verify enrollment reports a workforce of 100 to 499 employees, hiring at 3 sites across 3 states. Public records for the company include 1 SoS registration, 1 license and 1 E-Verify record. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | THE DENNIS ENGINEERING GROUP, LLC |
|---|---|
| Principal address | 1537 MAIN STREETSPRINGFIELD01103MAUnited States |
| Registration state | South Dakota |
| Status | Active |
| Formed in | Delaware (foreign registration) |
| Home company | THE DENNIS ENGINEERING GROUP, LLC |
| Registered | 16 September 2010 (almost 16 years ago) |
| Entity type | LLC |
| Standing | compliant |
| Company number | FL005309 |
| EIN | 042993285 |
| Employees (modeled) |
| Workforce size | 100 to 499 employees · updated 8 March 2021 |
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| Hiring sites | 3 sites across 3 states |
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| Registered agent | REGISTERED AGENT SOLUTIONS, INC |
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| 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) | $158.3M2025 |
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| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| South DakotaTHIS | THE DENNIS ENGINEERING GROUP, LLC | 2010-09-16 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
Filing ID FL005309 Jurisdiction Foreign · LLCFormed in Delaware Principal address 1537 MAIN STREET, SPRINGFIELD, MA, 01103 Registered agent REGISTERED AGENT SOLUTIONS, INC207 E CAPITOL AVE, SUITE 101B, PIERRE, SD, 57501 Officers Not reported | ||||||
| Alabama | The Dennis Engineering Group, Inc. | 2014-09-12 | REGISTERED AGENT SOLUTIONS INC | — | Active | |
| Alabama | The Dennis Engineering Group, LLC | 2021-10-14 | REGISTERED AGENT SOLUTIONS INC | — | Active | |
| Arizona | THE DENNIS ENGINEERING GROUP, LLC | 2001-11-06 | REGISTERED AGENT SOLUTIONS INC | — | Active | |
| California | THE DENNIS ENGINEERING GROUP, INC. | 1993-09-14 | REGISTERED AGENT SOLUTIONS, INC | THOMAS P DENNISOfficer | Active | |
| California | THE DENNIS ENGINEERING GROUP, LLC | 2000-03-10 | REGISTERED AGENT SOLUTIONS, INC | THOMAS P. DENNIS JROfficerRICHARD J. SMITHManager3 more | Dissolved | |
| Colorado | The Dennis Engineering Group, LLC | 2008-07-16 | Registered Agent Solutions, Inc | — | Active | |
| Connecticut | THE DENNIS ENGINEERING GROUP, LLC | 2001-02-21 | REGISTERED AGENT SOLUTIONS, INC | MARK SNIECKUSOfficerRICHARD J. SMITHOfficer3 more | Active | |
| Delaware | THE DENNIS ENGINEERING GROUP, LLC | 2000-02-01 | REGISTERED AGENT SOLUTIONS, INC. | — | Unknown | |
| Florida | THE DENNIS ENGINEERING GROUP, LLC | 2000-10-24 | REGISTERED AGENT SOLUTIONS, INC | THOMAS P Dennis, JrManagerTHOMAS PJr. DENNISOfficer5 more | Active | |
| Georgia | THE DENNIS ENGINEERING GROUP, LLC | 2000-02-07 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| Iowa | THE DENNIS ENGINEERING GROUP, LLC | 2022-01-07 | REGISTERED AGENT SOLUTION, INC | — | Active | |
| Illinois | THE DENNIS ENGINEERING GROUP, LLC | 2000-03-10 | REGISTERED AGENT SOLUTIONS, INC | Jason JonesManagerMary Frances StotlerManager1 more | Active | |
| Indiana | THE DENNIS ENGINEERING GROUP, LLC | 2003-08-18 | REGISTERED AGENT SOLUTIONS, INC | Mary Frances StotlerManagerBeverly TompkinsManager3 more | Active | |
| Kansas | THE DENNIS ENGINEERING GROUP, LLC | 2007-01-23 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| Kentucky | THE DENNIS ENGINEERING GROUP, LLC | 2003-01-16 | REGISTERED AGENT SOLUTIONS, INC | Thomas P DennisOfficerMary Frances StotlerManager2 more | Active | |
| Louisiana | THE DENNIS ENGINEERING GROUP, LLC | 2008-10-28 | REGISTERED AGENT SOLUTIONS, INC | Thomas P. Dennis, JrManagerJason JonesManager1 more | Active | |
| Massachusetts | THE DENNIS ENGINEERING GROUP, INC. | 1987-12-03 | JOHN LAPINSKI | Thomas P. DennisOfficer, Director | Inactive | |
| Massachusetts | THE DENNIS ENGINEERING GROUP, LLC | 2000-04-19 | THOMAS P. DENNIS, JR | MICHAEL SHELLManagerTHOMAS P DENNIS JRManager, Officer4 more | Inactive | |
| Maryland | THE DENNIS ENGINEERING GROUP, LLC | 2003-08-26 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| Maine | THE DENNIS ENGINEERING GROUP, LLC | 2000-04-14 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| Michigan | THE DENNIS ENGINEERING GROUP, LLC | 2016-03-01 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| North Carolina | The Dennis Group, LLC | 2005-08-22 | Corporate Research Solutions, Inc | BeverlyTompkinsOfficerThe Dennis Group, LLCMember3 more | Active | |
| North Dakota | THE DENNIS ENGINEERING GROUP, LLC | 2007-08-22 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| Nebraska | THE DENNIS ENGINEERING GROUP, LLC | 2007-01-19 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| New Hampshire | The Dennis Engineering Group, LLC | 2007-11-02 | Registered Agent Solutions, Inc | Thomas P Dennis JrManagerMary Frances StotlerManager2 more | Active | |
| Ohio | THE DENNIS ENGINEERING GROUP, LLC | 2001-11-05 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| Oregon | THE DENNIS ENGINEERING GROUP, LLC | 2001-09-12 | REGISTERED AGENT SOLUTIONS, INC | THOMAS P DENNIS JRManagerJASON JONESManager1 more | Active | |
| Pennsylvania | THE DENNIS ENGINEERING GROUP, LLC | 2003-04-22 | — | Thomas P. Dennis, JrDirectorBeverly TompkinsOfficer2 more | Active | |
| Rhode Island | THE DENNIS ENGINEERING GROUP, LLC | 2002-12-06 | REGISTERED AGENT SOLUTIONS, INC | THOMAS P DENNISManagerRICHRD J SMITHManager1 more | Active | |
| Tennessee | THE DENNIS ENGINEERING GROUP, LLC | 2004-03-31 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
| Texas | The Dennis Group, Inc. | 2026-07-23 | Registered Agent Solutions, Inc | Rodrigo CottaDirectorJoao AndradeDirector2 more | Active | |
| Texas | The Dennis Engineering Group, LLC | 2001-11-13 | REGISTERED AGENT SOLUTIONS, INC | Jason JonesManagerMary Frances StotlerManager1 more | Active | |
| Virginia | THE DENNIS ENGINEERING GROUP, LLC | 2007-05-02 | Registered Agent Solutions Inc | — | Active | |
| Washington | THE DENNIS ENGINEERING GROUP, LLC | 2008-12-18 | REGISTERED AGENT SOLUTIONS, INC | THE DENNIS GROUP, INCDirectorBEVERLY TOMPKINSDirector4 more | Withdrawn | |
| Wisconsin | THE DENNIS ENGINEERING GROUP, LLC | 2004-11-22 | REGISTERED AGENT SOLUTIONS, INC | — | Active | |
Companies and people linked to THE DENNIS ENGINEERING GROUP, 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 | |
|---|---|---|---|---|---|
| New Hampshire | 01667 | Engineer COA | 2007-10-24 | Active | |
| State | Workforce | Hiring sites | Enrolled | Industry | Status | |
|---|---|---|---|---|---|---|
| 3 states | 100 to 499 | 3 | 3/12/2009 | CONSTRUCTION (23) | Terminated | |
Employee-benefit plan filings by THE DENNIS ENGINEERING GROUP, 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) | ≈606 · plan year 2025 |
|---|---|
| Est. annual revenue (modeled) | $158.3M |
| Benefit plans | 401(k) plan on file |
| Filing history | 27 plan years filed, 1999–2025 |
| Sponsor EIN | 04-2993285 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2025 | ≈606 | 520 (545 active) | — | $158.3M | Welfare | |
| 2024 | ≈603 | 718 (543 active) | $98.3M | $210.2M | 401(k) | |
| 2023 | ≈561 | 647 (505 active) | $83.2M | $189.6M | 401(k) | |
| 2022 | ≈516 | 599 (464 active) | $67.3M | $168.2M | 401(k) | |
| 2021 | ≈486 | 570 (437 active) | $75.5M | $171M | 401(k) | |
| 2020 | ≈497 | 537 (447 active) | $64.5M | $148.7M | 401(k) | |
| 2019 | ≈463 | 500 (417 active) | $55.9M | $141.3M | 401(k) | |
| 2018 | ≈450 | 419 (405 active) | $43.3M | $131.8M | 401(k) | |
| 2017 | ≈391 | 383 (352 active) | $43.4M | $117.2M | 401(k) | |
| 2016 | ≈357 | 310 (321 active) | $34.9M | $103.3M | 401(k) | |
Federal court records load when you reach this section.
Companies adjacent to THE DENNIS ENGINEERING GROUP, LLC in the South Dakota Secretary of State register, in alphabetical order.
22 companies are registered at 1537 MAIN STREET, SPRINGFIELD — 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 2026-07-14. Document getpalm-companies/9549-1401-9258.