Illinois Government Contractors > HELFERICH, WILLIAM G
HELFERICH, WILLIAM GMonticello, Illinois
Products & Services
NAICS Code(s)
- 541690
- Other Scientific and Technical Consulting Services
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Company Information
- Company Name:
- HELFERICH, WILLIAM G
- Address:
- 712 N State St
- City:
- Monticello
- State:
- Illinois
- Zip Code:
- 61856-1352
- Phone:
- 217-244-5414
- Fax:
- 217-333-9522
- Contact Person:
- HELFERICH, WILLIAM G
- Legal Structure:
- Sole Proprietorship
- Year Established:
- 2007