O
Onni Contracting Ltd.
Seattle, WA 98101
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Our Story
Our main lines of business include: General Contractors.
Onni Contracting Ltd. has been listed in the Blue Book since 2020.
What We Do
- General Contractors
Regions & Counties Serviced
- Seattle
Washington 1
- King
Our CSI Codes
01 92 13 - Facility Operation Procedures