Updated: Jul 05, 2026
Location and Projects
Address
2750 VINLAND ST, Oshkosh, WI, 54901
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Ecm Holding Group Construction
Ecm Holding Group LLC serves clients in Oshkosh, Wisconsin, providing specialized energy efficiency and facility improvement solutions. The firm delivers services that focus on turnkey project implementation for commercial, institutional, and industrial properties. Its capabilities include designing and executing projects involving HVAC upgrades, lighting retrofits, building automation systems, and water conservation measures. Ecm Holding Group LLC works with clients in sectors such as education, government, healthcare, and manufacturing, addressing the needs of building owners interested in reducing energy consumption and operating costs. With eight years in operation, the company leverages proven technologies and established industry practices to help facilities optimize their infrastructure and improve environmental performance. Projects are tailored to client objectives, with a focus on measurable efficiency gains and operational improvements.
Ecm Holding Group LLC Services
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Ecm Holding Group LLC Contact Information
Phone Number: (920) 267-6110
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Address: 2750 VINLAND ST, Oshkosh, WI 54901
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Building Permits by Ecm Holding Group LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Refurbishing city sanitary mh # 12-881. the mh is in an easement in between buildings
Valuation:
N/A
Permit #:
202301513
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition 2400 sf of off-street parking area per submitted site plan
Valuation:
$11,600
Permit #:
201800292
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Ecm Holding Group LLC License info
Verified License
| License # | 1529521 - HVACCONT |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Hvac Contractor, Regular, False |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Ecm Holding Group LLC at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | ECMHOHG790DZ |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Ecm Holding Group LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0414080424 |
| Status | Inactive |
| State | Arkansas |
| Type | Energy Management, Retrofit Systems, Special Coatings Or Applications, Caulking, Waterproofing |
- According to the Arkansas Contractors Licensing Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Arkansas Contractors Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 74988 |
| Status | Inactive |
| State | Louisiana |
| Type | Limited Specialty Services |
| Class | Commercial License |
- According to the Louisiana Licensing Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Louisiana Licensing Board.
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Inactive License
| License # | IR785924 |
| Status | Inactive |
| State | Minnesota |
| Type | Contractor Registration |
- According to the Minnesota Department of Labor & Industry, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Minnesota Department of Labor & Industry.
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Unverified License
| License # | 24660-SC |
| Status | Unable To Verify |
| State | Mississippi |
| Type | Installation Of Automated Meter Reading Equipment, Plumbing |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PC783804 |
| Status | Inactive |
| State | Minnesota |
| Type | Plumbing |
- According to the Minnesota Department of Labor & Industry, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0374860621 |
| Status | Inactive |
| State | Arkansas |
| Type | Energy Management, Retrofit Systems, Special Coatings Or Applications, Caulking, Waterproofing |
- According to the Arkansas Contractors Licensing Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Arkansas Contractors Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 34484 |
| Status | Inactive |
| State | Texas |
| Type | Electrician |
- According to the Texas Department of Licensing and Regulation, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Texas Department of Licensing and Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0374860520 |
| Status | Inactive |
| State | Arkansas |
| Type | Energy Management, Retrofit Systems, Special Coatings Or Applications, Caulking, Waterproofing |
- According to the Arkansas Contractors Licensing Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Arkansas Contractors Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 58875 |
| Status | Inactive |
| State | North Dakota |
| Type | Contractor |
- According to the North Dakota Secretary of State, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
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Inactive License
| License # | 1435188-HVACCONT |
| Status | Inactive |
| State | Wisconsin |
| Type | Hvac Contractor |
- According to the Wisconsin Department of Safety and Professional Services, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ecm Holding Group LLC at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Insured
| Insurer | Zurich American Ins Co |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Great American Ins Co |
| Bond Value | $12,000 |
Ecm Holding Group LLC Employees
EL
Erik Larson
President
EL
Erik T Larson
JW
James Eric Watts
NF
No Master Found
Item0
TL
Thomas Laufenberg
Director