About Electronic Fasteners Inc
Founded in 1960 in response to the growing needs of high-tech industries along Massachusetts' Route 128, Electronic Fasteners, Inc. (EFI) was established to provide superior-quality AN, MS, and NAS fasteners to the electronics and defense sectors. With a clear mission to deliver fasteners backed by advanced product knowledge, consistent service, and uncompromising quality, EFI quickly gained traction—turning a profit in its very first year. Over the decades, the company expanded its operations, from its modest beginnings in a Boston basement to a 30,000-square-foot facility in Waltham, and eventually relocating to Canton, MA in 2021 to accommodate its continued growth.
EFI has consistently invested in technology and quality systems to better serve its customers. Achieving ISO certification in 1993 and implementing advanced inventory management systems in the late 1990s, EFI solidified its position as a trusted fastener supplier across a wide range of industries. In 2023, EFI joined OneMonroe—a global ISO 9001:2015 certified industrial manufacturer with roots dating back to the 1920s. As OneMonroe EFI, the company continues to deliver reliable, on-time fastener solutions while expanding its capabilities and product offerings under the OneMonroe brand.
Today, OneMonroe EFI supplies fasteners and related hardware to nearly every industry, supported by a loyal and experienced team—some with over 30 years of service. Guided by its mission to deliver the right quantity of the right fastener at the right price, on time, every time, EFI maintains high standards in customer service, inventory management, and quality assurance. Though still family-owned, the company strategically recruits and promotes top talent to sustain its growth and uphold its founding principles. With a steadfast commitment to excellence, OneMonroe EFI remains a dependable partner for industrial fastener solutions.
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