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Monday 8am - 4pm Tuesday 8am - 4pm Wednesday 9am - 4pm Thursday 8am - 4pm Friday 8am - 5pm

MZI Group Inc.

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Chicago, IL
MZI Group Inc.

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MZI Group, Inc. is a leader in Electrical, Telecom and Mechanical Construction, Energy Infrastructure, Utility Projects, Design Build and Facility Services.

10/19/2026

The temperature is dropping. Is your facility ready?

The seasons are changing, and the colder weather is officially setting in. As we start to rely more heavily on our heating systems, energy efficiency and reliability become top priorities.

Whether you are managing a commercial building or an industrial facility, MZI Group has a dedicated Mechanical Division to handle all your heating, cooling, and energy efficiency needs. We provide comprehensive end-to-end solutions, from design and commissioning to ongoing maintenance. Our expertise covers a vast range of systems, including:

HVAC & Cooling Solutions
✅ Water Chillers (Centrifugal & Absorption)
✅ Cooling Towers
✅ Screw & Reciprocating Fan Systems
✅ Computer Room Air Conditioning Equipment
✅ Rooftop HVAC Equipment
✅ Refrigeration Equipment

Heating & Steam Systems
✅ Boilers (Steam and Hot Water)
✅ Pumps (Heating/Cooling/Booster/Ejectors)
✅ Steam & Condensate Piping Systems

Controls & Energy Management
✅ Temperature Controls (DDC, Electric, and Pneumatic)
✅ Energy Management & Building Automation
✅ Commissioning Services (DDC)
✅ Chemical Water Treatment

Piping & Process Systems
✅ Mechanical HVAC Systems
✅ Process Piping Systems
✅ Industrial Piping Systems

Engineering & Support Services
✅ Design-Build & Engineering
✅ 24-Hour Service
✅ Preventative Maintenance Contracts

Don't let the cold catch you off guard. Ensure your systems are running at peak performance this season. Contact MZI Group today to discuss how we can support your facility's mechanical and energy needs.

10/14/2026

One year ago, we welcomed Stephanie Shah to the MZI Group team and what a year it's been! 🎉

Stephanie joined us as our Project Executive, stepping in from day one to take on vital projects and lead with expertise and confidence. In just twelve months, she has made a lasting impact across our organization. Her leadership, dedication, and ability to deliver have strengthened our projects and our team, and we're proud of everything she's accomplished in her first year.

We said it when she joined, and it's even truer today, we are so glad to have her. Congratulations on your one-year anniversary, Stephanie! Here's to many more.

10/13/2026

As Hispanic Heritage Month comes to a close, we're reflecting on the incredible Latino leaders who make MZI Group what it is today.

Over the past few weeks, we've highlighted a few of the Latinos on our team but there are so many more working across every aspect of our business. From the field to the office, their talent, dedication, and hard work contribute to MZI's success every single day. We're proud to be a Hispanic-owned company, led by our CEO & President Arthur Zayas Miller. His dedication to serving our community has been a priority since his days serving our country in the Army, and that commitment to service is woven into the fabric of who we are as a company.

To our entire team: thank you for everything you bring to MZI Group. We couldn't do it without you.

10/09/2026

That's a wrap on NECA 2026!

Our team had a great time at the NECA 2026 Convention & Trade Show in Las Vegas, which wrapped up earlier this week. From the opening ceremony to the final day on the floor, it was an incredible few days celebrating 125 years of the National Electrical Contractors Association - NECA.

We're heading back to Chicago with new ideas and renewed energy for the work ahead. Thank you to NECA for putting on another outstanding event, and to everyone we had the chance to meet along the way.
Until next year! 👋

10/08/2026

MZI Group is proud to be a sponsor of the 4th District Faith Based Committee Officer Appreciation Day.

This event is our opportunity to come together and show our appreciation for the men and women of the 4th District, thanking them for their service, their sacrifice, and their unwavering commitment to keeping our community safe.

Our officers give so much to the neighborhoods they serve, and it means a great deal to us to support an event that recognizes their dedication and strengthens the bond between law enforcement and the community.

To the officers of the 4th District: thank you for all that you do. We are grateful for your service.

10/07/2026

This Hispanic Heritage Month, we're proud to highlight a leader who has been instrumental to MZI Groups growth and success, Raul Romero, our Vice President of the Mechanical Division!

Raul joined MZI Group 8 years ago and has been instrumental in shaping our mechanical division into what it is today. Under his leadership, the division has grown and expanded, allowing us to better serve our clients and take on bigger, more complex projects across the Midwest. His expertise, dedication, and vision have been a driving force behind our continued growth, and we are thrilled about whats ahead for the mechanical division and the opportunities it creates for our team and our clients.

Thank you, Raul, for 8 years of leadership and for everything you bring to MZI Group. 👏

10/06/2026

MZI Group is on the ground in Las Vegas for the National Electrical Contractors Association - NECA 2026 Convention & Trade Show!

We're proud to be attending this year's convention and what a way to kick things off. These photos are from the opening ceremony and our first day on the floor, and the energy is incredible.

This year is especially meaningful: NECA is celebrating 125 years of the National Electrical Contractors Association (1901–2026). A century and a quarter of advancing our industry, supporting electrical contractors, and raising the standard for safety, quality, and craftsmanship.

We're here to connect with peers, explore the latest innovations, and bring new ideas back to our team in Chicago.

10/02/2026

The temperatures are dropping, the days are getting shorter, and fall is officially here. 🍂

While it's a beautiful time of year, the changing season brings new hazards to our job sites. Let's work together to stay safe, warm, and productive.

Here are a few tips to keep in mind:
🧥 Dress in Layers & Stay Visible - Temperatures shift throughout the day. Layer up and make sure you're seen, especially in low light.

👣 Watch Your Footing - Wet leaves, morning frost, and uneven ground increase the risk of slips and falls. Take your time and watch your step.

🌙 Be Mindful of Reduced Daylight - Shorter days mean less visibility. Ensure your work area is well-lit and stay alert as the sun goes down.

🔧 Check Your Tools & Materials - Cold weather can affect equipment performance. Inspect your tools and materials before use.

🤝 Communicate & Look Out for Each Other - Safety is a team effort. Speak up, check in on your coworkers, and look out for one another.

As the season changes, our commitment to safety doesn't. Let's keep each other safe out there.

10/01/2026

From power transmission to process piping, MZI Group's Mechanical Division has grown into one of Chicago's most trusted mechanical contractors.

Over the years, our mechanical division has expanded significantly, building on our roots in electrical work to deliver comprehensive mechanical solutions across the city. Through strong utility relationships, specialized equipment, and highly efficient union crews, we deliver significant savings and minimal customer impact on every project.

Our Mechanical Services Include:

🌡️ HVAC & Cooling
- Water Chillers – Centrifugal & Absorption
- Cooling Towers
- Screw & Reciprocating Fan Systems
- Computer Room Air Conditioning Equipment
- Rooftop HVAC Equipment
- Refrigeration Equipment

🔥 Heating & Piping
- Boilers – Steam & Hot Water
- Pumps – Heating, Cooling, Booster & Ejectors
- Process Piping Systems
- Industrial Piping Systems
- Steam & Condensate Piping Systems

🎛️ Controls & Efficiency
- Temperature Controls – DDC, Electric & Pneumatic
- Energy Management & Building Automation
- Chemical Water Treatment
- Commissioning Services – DDC
- Design-Build & Engineering

🛠️ Support & Maintenance
- 24-Hour Service
- Preventative Maintenance Contracts

From optimizing voltage and creating energy efficiencies to embedding safety into every design, we exceed client expectations at every turn.

Whether it's a new build, an upgrade, or ongoing maintenance. MZI Group is your trusted mechanical partner in Chicago.

09/30/2026

This Hispanic Heritage Month, we're proud to highlight a leader who has been instrumental to MZI Group's growth and success, Anel Castaneda, our HR Manager, who celebrated 5 years with MZI Group last month!

Anel has been vital to every aspect of our organization since day one. She has played a key role in our work with our CPS engineers over the years, and was instrumental in our major expansion of our building services division. She has helped to shape not only our operations but the culture that makes MZI who we are today.

Her dedication, leadership, and commitment to our people are felt across the entire company. We are incredibly fortunate to have her on our team.

Thank you, Anel, for five years of excellence and for everything you continue to bring to MZI Group. 👏

Address

1937 W Fulton Street
Chicago, IL
60612

Opening Hours

Monday	8am - 4pm
Tuesday	8am - 4pm
Wednesday	9am - 4pm
Thursday	8am - 4pm
Friday	8am - 5pm

Telephone

+13124928740

Website

http://www.mzigroup.com/

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