Updated: Apr 22, 2026
Location and Projects
Address
1601 W Diehl Rd, Naperville, IL, 60563
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Nalco Company Construction
Nalco Company LLC at 1601 W Diehl Rd, Naperville, IL 60563, held a General Contractor license (#NALCOCL843JH) with the Washington contractors license board with an expiration date of 03-05-2025. We last verified the license was expired on 04-21-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 65,686 Illinois contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Nalco Company LLC Services
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Nalco Company LLC Contact Information
Phone Number: (360) 750-6512
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Address: 1601 W Diehl Rd, Naperville, IL 60563
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This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
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$0
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95-4758/000 000 ELEV 01
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95-4757/000 000 ELEV 01
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No Description Available
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Permit #:
95-4756/000 000 ELEV 01
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No Description Available
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Permit #:
95-4755/000 000 ELEV 01
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No Description Available
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95-4754/000 000 ELEV 01
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95-4749/000 000 ELEV 01
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No Description Available
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95-4748/000 000 ELEV 01
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Industrial district
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$0
Permit #:
98-4267
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Industrial district
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Permit #:
95-215
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Industrial district
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Permit #:
95-4744
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Industrial district
Valuation:
$0
Permit #:
95-4745
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Industrial district
Valuation:
$0
Permit #:
95-4746
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Industrial district
Valuation:
$0
Permit #:
95-4747
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Industrial district
Valuation:
$0
Permit #:
95-4748
Status:
APPROVED
Fee:
N/A
Permit Type:
N/A
Building Type:
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Industrial district
Valuation:
$0
Permit #:
95-4749
Status:
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Fee:
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Industrial district
Valuation:
$0
Permit #:
95-4750
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Industrial district
Valuation:
$0
Permit #:
95-4751
Status:
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Building Type:
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Industrial district
Valuation:
$0
Permit #:
95-4752
Status:
APPROVED
Fee:
N/A
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Building Type:
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Industrial district
Valuation:
$0
Permit #:
95-4753
Status:
APPROVED
Fee:
N/A
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N/A
Building Type:
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Industrial district
Valuation:
$0
Permit #:
95-4754
Status:
APPROVED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Nalco Company LLC Reviews
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Nalco Company LLC License info
Inactive License
| License # | NALCOCL843JH |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- 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 Nalco Company LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Nalco Company LLC, click “This is My Business” to update your information.
Insured
| Insurer | National Union Fire Ins Of Pa |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Liberty Mutual Ins Co |
| Bond Value | $12,000 |
Nalco Company LLC Employees
GH
George Hamilton
Partner/Member
HC
Hamilton, George Charles
Partner/Member
MB
Melissa Blais
Partner/Member