Merrimac Energy Group was founded in 1988 by Mary Hazelrigg, Merrimac Energy Group brings expert solutions to your greatest fuel supply and management challenges.Merrimac Energy Group also provides environmental services. Its products include aviation fuels, diesel, food grade oil, generator fuel, gasoline, industrial oil, marine fuels, bulk propane, and transportation lubricants. The largest independent woman-owned energy company in California, Merrimac Energy serves construction companies, governmental agencies, industrial and commercial clients, and utilities.