To qualify for the List, companies must be headquartered in Washington state, privately owned, report at least $500,000 in 2021 revenue and increase revenue between 2021 and 2023.

With nearly 150 solar companies in Washington State, residents often need help choosing the right installer. This article discusses Washington’s best solar companies.

Dan Gilbert's Rocket Companies plans to buy the Washington state-based online real estate brokerage firm Redfin, a $1.75 billion deal that would expand Rocket's presence in all things residential ...

Washington’s new law adds to some growing momentum for state-based efforts to limit emissions by businesses. New York announced in January it would join Washington, California and Oregon, which ...