Day & Zimmermann

Day & Zimmermann, known as The Original Betterment Company®, has been a leader in delivering innovative solutions for over a century. Founded in 1901, the company specializes in comprehensive services across various sectors including nuclear maintenance, construction, engineering, and defense. With a commitment to continuous improvement, Day & Zimmermann enhances operational efficiency and accelerates cycles of innovation, aiding both corporate and government clients in achieving their goals effectively.

Employing over 43,000 individuals globally, the company offers diverse services such as maintenance and modifications, integrated security, and munitions solutions, including demilitarization and precision products. Their dedication to core values—safety, integrity, and diversity—drives their success and reinforces their reputation as a trusted partner. Day & Zimmermann's promise, “We do what we say,” underscores their unwavering commitment to quality and accountability, ensuring they remain at the forefront of industry advancements while maintaining a strong focus on their workforce and sustainable practices.