Mainstream Air Ltd
General contractor in Covington, Washington
Active LicenseLicense #MAINSAL751RJ
TradeGeneral
CityCovington, WA 98042
Phone(253) 222-8998
Business typeCorporation
PrincipalBergquist, Garret Clayton
Licensed since2025-12-11
License expires2027-12-11
UBI605985579
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License data sourced from Washington State Department of Labor & Industries public records. Verify current status with the state before hiring.
