Day & Zimmermann, parent company of SOC LLC., has been named the number one operations and maintenance contractor in power.

According to a press release from the company, the century-old, family-owned provider of construction and engineering, staffing and defense solutions for leading corporations and governments around the world, reported that Engineering News-record had named the company number one.

“We celebrate this recognition with gratitude to our dedicated employees who have provided safe and cost-effective service delivery for nearly a decade,” said Michael P. McMahon, president of Day & Zimmermann’s Engineering, Construction and Maintenance group. “Our goal has always been to be the leading provider of maintenance, modifications, and projects in the industries we serve. We’re proud of the accomplishment, and grateful to our loyal customers for their continued support.”

Day & Zimmermann are a long-time known name in the community. Today, SOC, LLC. “employs over 5,000 professionals engaged in the delivery of mission critical safeguards and security, facility management and operations, engineering, explosive ordnance storage and disposal, and international logistics and life support services,” according to their website.

This is the ninth year in a row they been named number one.