Contractor in Washington, DC.
Cianbro Corporation appears in District of Columbia license records as a contractor based in Washington, DC. The record lists a OSHA_Establishment license (#OSHA-5c6f8d77a1b163).
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 #OSHA-5c6f8d77a1b163 on the District of Columbia licensing authority lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-02).
Cianbro Corporation is a contractor based in Washington, District of Columbia. Their license classification is NAICS 237990.
Yes. Cianbro Corporation holds District of Columbia licensing authority license #OSHA-5c6f8d77a1b163. Verify the current status on District of Columbia licensing authority before hiring.
Cianbro Corporation is based in Washington, DC 20024.
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Not yet. This listing was created from public District of Columbia 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.
Contractor vetting checklist · Cost guide · Look up this license at the state board