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System Maintenance We will be conducting scheduled maintenance on Saturday, December 13, from 10 PM to 5 AM on Sunday, December 14. Online banking, TAMI, and Bill Matrix will be unavailable. myTMs will be withdrawals only. We apologize for the inconvenience and thank you for your patience.

Our Story

People helping people since 1937 - discover our journey and values

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Our Story

A Legacy of People Helping People

Since 1937, Sunmark has grown from serving GE workers to enriching lives across New York. For 85+ years, we've put members first while staying true to our cooperative roots.

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Our Rich History

From General Electric Federal Credit Union #1884 to today's Sunmark - explore the milestones that shaped our 85+ year journey.

Mission & Vision

Discover the guiding principles that drive everything we do for our members and communities across New York.

Leadership Team

Meet the dedicated leaders who guide Sunmark's mission and ensure we serve our members with excellence every day.

Annual Reports

Review our annual reports and meeting information to see how we've grown and served our member-owners.

Committed to Community Impact

Our story isn't just about banking - it's about building stronger communities. Through the Sunmark Charitable Community Foundation, volunteer initiatives, and local partnerships, we invest in the financial education, community development, and quality of life improvements that benefit all New Yorkers. Every member's success strengthens our shared commitment to people helping people.

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Our Story in the News

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Sunmark myTMs Offer Flexible Ways to Bank Brighter

News, Foundation

Sunmark Shines a Spotlight on Local Nonprofits in 2026

Budget, Saving, News

Member-to-Member Transfers are Here!

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