Updated: Mar 04, 2026
Location and Projects
Address
Madison, WI, 53719
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Inter Con Construction Site Work Contractor
Inter Con Construction Inc, (Owned by: Grant Klumb) holds a Contractor license and 8 other licenses according to the Iowa license board.
Their BuildZoom score of 100 ranks in the top 13% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Inter Con Construction Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Inter Con Construction Inc Contact Information
Phone Number: (608) 850-4820
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Building Permits by Inter Con Construction Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Running fiber per agreement with the city to run jointly from a hh at the intersection of witzel & idaho to near the intersection of witzel & campbell. from the point they will bore a line along the w side of campbell rd to near the n end of the building then will turn w and go into the building. may need a field visit due to city coax line and possible adjustment of bore. no work all... see more
Valuation:
N/A
Permit #:
202506245
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Running fiber per agreement with the city to run jointly from a hh at the intersection of 9th & washburn to the pl of the water tower & firer station. from there they will bore a new line approx. 580 to the n then turn e cross washburn st and tap into a dot ped. please stay under walk on w side of washburn until the bore turns to cross the road going to the existing dot ped. no work a... see more
Valuation:
N/A
Permit #:
202506244
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ug electrical cable replacement for alliant energy at red's mobile home park
Valuation:
N/A
Permit #:
ROW25-000017
Status:
issued
Fee:
N/A
Permit Type:
Directional drilling
Building Type:
N/A
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Inter Con Construction Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Inter Con Construction Inc License info
Verified License
| License # | C087754 |
| Status | Active |
| State | Iowa |
| Type | Contractor |
| Date Issued | 01-02-2026 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Inter Con Construction Inc at the Iowa Workforce Development Agency.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 19180-SC |
| Status | Active |
| State | Mississippi |
| Type | Directional Boring/Pipe Installation, Drilling |
- When BuildZoom last verified this license, it had an expiration date of January, 2015. Check the current license status of Inter Con Construction Inc with the Mississippi State Board of Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 23995 |
| Status | Active |
| State | North Dakota |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2024. Check the current license status of Inter Con Construction Inc with the North Dakota Secretary of State
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CONC0562060 |
| Status | Inactive |
| City | Wisconsin Rapids |
| Type | Concrete License |
- According to the City of Wisconsin Rapids, 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 Inter Con Construction Inc at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | EXCV8212129 |
| Status | Inactive |
| City | Wisconsin Rapids |
| Type | Excavating License |
- According to the City of Wisconsin Rapids, 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 Inter Con Construction Inc at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Other |
- According to the Cook County Department of Building and Zoning, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR7616 |
| Status | Inactive |
| County | Dupage County |
| Type | Landscaping |
- According to the County of Dupage Contractor Registration Information, 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 Inter Con Construction Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | INTERCI982CN |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
- According to the Washington State Department of Labor & Industries, 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 Inter Con Construction Inc 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 # | 0017175 |
| Status | Inactive |
| State | Florida |
| Type | Construction Business Information |
- According to the Florida Department of Business & Professional 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 Inter Con Construction Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bond Value | $25,000 |
Inter Con Construction Inc Employees
AH
Anna Hillebrandt
BG
Brian Gabrielse
Treasurer
BG
Bruce Gabrielse
Secretary
CM
Carl Makuch
Chief Executive Officer
GK
Grant Klumb
Owner
JG
Jack Gabrielse
President
JB
Jamie D Bruin
Vice President
JB
Jamie De Bruin
JH
Jeff Hillebrandt
President
MO
Mark Oostdyk
Vice President