The Trex Fraternity of California was founded in 1918 in Fresno, California by eight young men of Armenian descent. The name was chosen to signify the Roman numeral "30," which was the number of members they hoped to eventually attract to the fraternity. In the ensuing years, the organization has grown to number more than 750 members in 12 regional chapters and three local "Junior" chapters (for young men between the ages of 16 and 21) throughout California and Nevada — including the recently-chartered San Gabriel Valley Chapter — and is governed by an elected group of officers collectively known as the Grand Chapter.

The goals of the Fraternity include the promotion of charity, benevolence, mental improvement, social culture, education, and the strengthening of the bonds of friendship among its members of Armenian heritage.

The Trex Fraternity is a non-political, non-religious, non-profit organization.

The Oakland Chapter of the Trex Fraternity was chartered on February 3, 1951, and now stands as the largest chapter in Northern California with an active roster of 49 members.

A few of the many charities that have received support from the Oakland Chapter over the years include Alameda County Food Bank, Second Harvest Food Bank, Contra Costa-Solano Counties Food Bank, The American Red Cross, Habitat for Humanity, St. Vincent de Paul Society, Boys & Girls Club of Oakland, Fisher House, National Multiple Sclerosis Society, The ALS Association, Today’s Youth Matters, Lincoln Child Center, Encinal High School Band, Oakland Zoo, Echmiadzin Children’s Fund, Western Armenian Athletic Association, the Children’s Fund of Armenia, BAFA, The Armenia Tree Project, and many more.

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Triple X Fraternity - Oakland Chapter, Inc. is a registered 501(c)(3) non-profit organization. Our tax ID is 39-3030756.

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JOIN US ON FRIDAY, OCT. 16, 2026 for our 6th Annual Oakland Trex Charity Golf Tournament!

This year's event takes place at the Redwood Canyon Golf Course, one of the Bay Area’s most scenic and enjoyable golf destinations.

Please visit our official event website to learn more, register to play, or become a sponsor of our annual charity fund-raising event.