Day & Zimmermann

Day & Zimmermann Day & Zimmermann is a family-owned company founded over a century ago.

We specialize in construction & engineering, staffing and defense -- helping leading corporations and governments make the world a better place. Day & Zimmermann is a century-old family-owned company specializing in construction & engineering, staffing and defense -- for leading corporations and governments around the world.

As Military Appreciation Month comes to a close, we reflect on the service, sacrifice, and leadership of the veterans an...
05/29/2026

As Military Appreciation Month comes to a close, we reflect on the service, sacrifice, and leadership of the veterans and military-connected employees who continue making an impact across Day & Zimmermann.

Thank you to all who have served — and to those who continue to serve today. Your courage, commitment, and sacrifice inspire our mission every day.

Congratulations to Tom Ensminger, Vice President of Labor Relations, on his reelection as President of the Associated Ma...
05/28/2026

Congratulations to Tom Ensminger, Vice President of Labor Relations, on his reelection as President of the Associated Maintenance Contractors (AMC).

Tom’s continued leadership demonstrates the valuable insight into emerging labor needs he brings to the table and reflects his commitment to safe, efficient project ex*****on and strong outcomes for union workers and contractors.

“He understands how to build alignment among labor, contractors, owners, and all project stakeholders, and he leads with integrity and purpose.” said Brandon Bishop, Secretary-Treasurer of North America's Building Trades Unions.

Read the full announcement here: https://hubs.ly/Q04hGnSg0

Day & Zimmermann's Tom Ensminger has been reelected as President of the Associated Maintenance Contractors, recognized for his leadership in advancing labor relations.

Congratulations to YOH on this impressive achievement! Proud to see the continued impact the team is making across the i...
05/27/2026

Congratulations to YOH on this impressive achievement! Proud to see the continued impact the team is making across the industry.

🏆 Yoh has once again been named to HRO Today's Baker’s Dozen Customer Satisfaction Ratings™ for MSP! This marks our 15th consecutive year receiving this honor, reflecting our commitment to providing organizations with workforce solutions that keep industries moving forward. Unlike other indus...

05/25/2026

This Memorial Day, we honor and remember the service members who gave their lives in service to our country.

As a company that supports projects connected to the U.S. Department of Defense, we are reminded of the dedication, sacrifice, and commitment of those who serve. We're grateful to the heroes and families whose service protects our nation.

Military service members bring a unique perspective to the mission.This Military Appreciation Month, we honor employees ...
05/24/2026

Military service members bring a unique perspective to the mission.

This Military Appreciation Month, we honor employees like Brian Swink, U.S. Army 1997-2013, who understand firsthand the importance of supporting those who serve.
Their experience helps keep purpose at the center of our work.

Service to our country takes many forms. This reflection from Doug Magee, President of Day & Zimmermann Government Servi...
05/22/2026

Service to our country takes many forms. This reflection from Doug Magee, President of Day & Zimmermann Government Services, speaks to the deep sense of responsibility behind supporting the national security mission.

During National Military Appreciation Month, he shares why patriotism is ultimately about action, reliability, and delivering when it matters most.

Read more:

Honoring military service, Doug Magee, President of Government Services at Day & Zimmermann, emphasizes tangible support for veterans and the national security mission, reflecting true patriotism through action.

From community events to local partnerships, D&Z Gives Back makes an impact where we live and work.Recent efforts includ...
05/21/2026

From community events to local partnerships, D&Z Gives Back makes an impact where we live and work.

Recent efforts included the Greenville office participating in Cookies from the Heart at Ronald McDonald House Charities of the Carolinas and DZMG Lone Star supporting the Junior League of Texarkana’s Clubs & Bugs: Fore a Cause golf tournament.

We’re proud to keep showing up for our communities!

We’re   to share that James McDonald, Director of Union Labor Relations, was unanimously elected by his peers to serve o...
05/20/2026

We’re to share that James McDonald, Director of Union Labor Relations, was unanimously elected by his peers to serve on the North American Contractors Association (NACA) Board of Directors.

James’ appointment reflects the deep expertise and leadership Day & Zimmermann brings to labor relations across the union construction industry. His experience building strong partnerships between contractors, labor organizations, and project owners continues to strengthen how we support safe, efficient, and successful project ex*****on for our customers.

“He is an asset not only to our organization but also to the union construction industry as a whole as he understands the tripartite partnership of union, contractor, and owner,” said NACA Chair Rob Branyan.

Congratulations to James on this well-deserved appointment and continued leadership within the industry.

Read the full announcement: https://hubs.ly/Q04h2w4s0

James McDonald has been elected to the NACA Board of Directors, bringing his expertise in union labor relations to enhance construction project efficiency.

Yankton is among America’s Top 50: Big congratulations to Yankton, South Dakota, for being recognized by HGTV as one of ...
05/20/2026

Yankton is among America’s Top 50: Big congratulations to Yankton, South Dakota, for being recognized by HGTV as one of America’s top 50 charming small towns! Day & Zimmermann is proud to be part of this vibrant community with our dedicated Yankton teams supporting our National Defense.

Yankton’s rich history, hardworking people (including our teams), and welcoming spirit are just a few of the reasons we’re proud to be part of this community every day.

Read more about HGTV’s list here: https://hubs.ly/Q04g_89P0

At Day & Zimmermann, our commitment to quality is personal.This Military Appreciation Month, we recognize employees like...
05/19/2026

At Day & Zimmermann, our commitment to quality is personal.

This Military Appreciation Month, we recognize employees like Bo Dyess, whose military experience continues influencing the precision, accountability, and pride behind the work we do every day.

Address

1500 Spring Garden Street
Philadelphia, PA
19130

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+12152998000

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