Ordered by first registration date
The longest-established contractors on the registry
Unexpired registrations, oldest first. The sort key is the date the agency first issued the licence — nothing here is ranked by us.
116,754 unexpired records·2,672 issued before 1990·119 before 1970
Records
Oldest firstShowing 226–250 of 116,754 records
What licence age does and does not mean
A registration first issued decades ago means the credential has been maintained that long. It does not necessarily mean the same people run the business, or that the business has traded continuously — ownership can change while a registration is kept alive. Read it as a fact about the licence, not a citation for the firm. Method is on the sources page.
Verify any record directly with the issuing agency: WA L&I Verify a Contractor · Oregon CCB licence search
For contractors
Been licensed for decades and still invisible online?
A registration from 1987 is worth more than any badge a directory can sell you. Most homeowners will never see it unless your website says so.
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