Contractor in Portland, OR · licensed in Washington.
Alliant Systems Llc appears in Washington license records as a contractor based in Portland, OR (licensed in Washington). The record lists a WA L&I Construction Contractor license (#ALLIASL987RP) with status “Active”. It is listed as valid through 2027-03-27.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
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Create a free account Or subscribe to message in-appCheck license #ALLIASL987RP on the Washington L&I lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-04).
Alliant Systems Llc is a contractor based in Portland, Washington. Their license classification is Heating/Vent/Air-Conditioning and Refrig (HVAC/R) .
Yes. Alliant Systems Llc holds Washington L&I license #ALLIASL987RP (status: Active). Verify the current status on Washington L&I before hiring.
Alliant Systems Llc is based in Portland, OR 97205. It holds a Washington license but lists a business address in Oregon.
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The fastest way is to post your project on Bidroom — Alliant Systems Llc and up to 2 other verified contractors in Portland can bid on it, and every quote includes itemized pricing + a written scope of work.
Not yet. This listing was created from public Washington license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
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