Frequently Asked Questions

Q: How many members does WOMA have?
A: The Washington Oil Marketers Association (WOMA) is a non-profit trade association with 78 individual and corporate members that market petroleum products in Washington State and more than 50 associate members that sell products and services that support the petroleum industry.  WOMA members account for nearly 80% of all petroleum products sold in Washington State, including 68,000,000 gallons of heating oil to residential and industrial users.

Q: What are the different types of WOMA membership?
A:  A “Marketer Member” is any individual, firm or corporation in the business of marketing petroleum products in Washington State, whereas an “Associate Member” is any individual, firm, corporation, or association engaged in a business that supports the Washington State petroleum industry. For an application form and information on dues, click on the following link:

Q: What is the membership profile?
A: Consider the following facts about WOMA members:

  • Member business are 95% family-owned, most with second and third generations of family running the operation.
  • Members contribute significantly to the Washington economy, paying fuel taxes and B&O taxes on millions of gallons of fuel annually.
  • Members employ over 10,000 people throughout the State of Washington.
  • Members represent fuel from independent oil companies including Chevron/Texaco, ConnocoPhillips, ExxonMobil, Shell Oil, BP Products, US Oil and Refining, and Tesoro
  • Members account for over 80% of the total gallons of petroleum fuels sold in Washington State

Q: What is the biofuels mandate in Washington State?
A: In a nutshell, the mandate requires fuel dealers to sell 2 percent biodiesel out of their total diesel sales and 2 percent ethanol out of total gasoline sales. It was adopted by the Washington Legislature adopted in 2006. Visit for more details on biofuel laws and incentives in Washington State.

Q: Whom do I contact for additional information?
A: Contact WOMA Executive Director Lea Wilson at (360) 443-6696 or send an email to