Top five contributors

AGAINST

No on 1631 — sponsored by Western States Petroleum Association

$11.1 million in contributions

1. Phillips 66, a Texas-based energy company, $3.7 million

2. Andeavor, formerly known as Tesoro, a petroleum refining company, $3.2 million

3. BP, a London-based oil and gas company, $3 million

4. Chevron U.S.A. Inc., $500,000

5. BP America, $396,000

I-1631 — sponsored by the Association of Washington Business

$16,500 in contributions

1. American Fuel and Petrochemical Manufacturers, $6,000

2. Western States Petroleum Association, $4,000

3. Cascade Natural Gas, $2,000

4. Industrial Customers of Northwest Utilities, $2,000

5. Association of Washington Business, $500

FOR

Clean Air Clean Energy WA (Yes on 1631)

Yes on I-1631 is a coalition of more than 250 organizations representing scientists, environmental and clean energy advocates, working families, communities of color, health professionals, businesses, faith leaders, and tribal nations.

$4.3 million in contributions

1. The Nature Conservancy, $1 million cash and $176,700 in-kind contribution

2. Sarah Merner of Seattle, $500,000 cash

3. Craig McKibben of Seattle, $500,000 cash

4. Chris Stolte of Seattle, $250,000 cash

5. Washington Environmental Council, $175,000 cash, $27,380 in-kind contribution

Source: Washington Public Disclosure Commission