Location and Projects
RaLPh H. Simpson Construction
Based in Elmhurst, Illinois, RaLPh H. Simpson Co specializes in providing structural solutions backed by a union workforce affiliated with Iron Workers Regional Shop Local #853. The company serves both residential and commercial clients, delivering structures designed for function and longevity. RaLPh H. Simpson Co is guided by its president, who has been with the firm since 1999 and leads a team that includes specialists in project management, estimating, logistics, production, and shop supervision. The company emphasizes efficiency and reliability throughout the building process, working closely with clients from project initiation to completion. With nearly a decade active in the industry, their collaborative approach and experienced staff underpin the construction and support of structures throughout Elmhurst and the surrounding area.
RaLPh H. Simpson Co Services
RaLPh H. Simpson Co Contact Information
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RaLPh H. Simpson Co Elmhurst
Quality
Activity
|
1 project
|
2025 |
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$1mil+ |
This is a sample of this contractor's permits. Click here to access their complete permit history.
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RaLPh H. Simpson Co License info
Verified License
| License # | CON-005634-2023 |
| Status | Active |
| Town | Palatine |
| Type | Steel Contractor Registration |
| Class | Steel |
| Date Issued | 01-13-2026 |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for RaLPh H. Simpson Co at the Village of Palatine Registered Contractors.
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Verified License
| License # | TGC069984 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class C) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for RaLPh H. Simpson Co at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | L-2013-325 |
| Status | Active |
| County | Kankakee County |
| Type | Misc. Metal |
- When BuildZoom last verified this license, it had an expiration date of December, 2014. Check the current license status of RaLPh H. Simpson Co with the Kankakee County Planning Department
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 25198 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 RaLPh H. Simpson Co at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR0002988 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Other |
- 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 RaLPh H. Simpson Co 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 # | CL-22-28812 |
| Status | Inactive |
| Town | Orland Park |
| Type | Structural Steel Contractor |
- According to the Village of Orland Park Contractor License, 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 RaLPh H. Simpson Co at the Village of Orland Park Contractor License.
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Inactive License
| License # | CR5641 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Steel Erector |
- 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 RaLPh H. Simpson Co 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 # | 10876 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 RaLPh H. Simpson Co at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | E $500,000 Project Ceiling |
- According to the City of Chicago Data Portal, 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 # | CR5641 |
| Status | Inactive |
| County | Dupage County |
| Type | Steel Erector |
- 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 RaLPh H. Simpson Co at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.