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KNOWLES, DAVID OTHNIEL is a contractor located in Walla Walla, WA. They specialize in journey level work.
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A-1 PLUMBNG & EMERGENCY ROOTER operates as a plumbing contractor in Walla Walla, Washington. The business is operated by David Othniel Knowles. The company provides plumbing and rooter services to the local community. Prospective customers should verify current licensing status and credentials before engaging services, as this information is not currently available in public records.