What are the opening hours?

Monday 7:30am - 4:30pm Tuesday 7:30am - 4:30pm Wednesday 7:30am - 4:30pm Thursday 7:30am - 4:30pm Friday 7:30am - 4:30pm

Leman Engineering & Consulting Inc.

Name: Leman Engineering & Consulting Inc.
Address: 520 E 1050 South, Brookston, IN, 47923, US
Telephone: +17655638291

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Brookston, IN
Leman Engineering & Consulting Inc.

We create custom generator switchgear and control systems for a wide variety of applications.

11/27/2025

This Thanksgiving, we’re thankful for the people who keep mission critical systems running — our team, partners, and customers.

Wishing you all a safe and restful holiday filled with gratitude and good company.

11/11/2025

Today, we honor the brave men and women who have served our country with courage and commitment.

At Mission Critical Group, we’re proud to work alongside veterans whose values of service, integrity, and resilience inspire us every day. Their leadership continues to strengthen our mission to deliver reliable, innovative power solutions that keep critical infrastructure running.

To all who have served — we thank you.

11/04/2025

PRESS RELEASE - Mission Critical Group (MCG) has acquired Leman Engineering & Consulting Inc. (LEC), a Brookston, Indiana–based manufacturer of switchgear, control systems, and power distribution equipment.

This acquisition enhances MCG’s Midwest manufacturing presence, deepens engineering capabilities, and establishes LEC as MCG’s new R&D hub for power generation innovation—focusing on onsite generation, prime power, generator paralleling, microgrids, and behind-the-meter systems.

“By bringing best-in-class companies like LEC into our portfolio, we’re strengthening every layer of the power distribution chain—from engineering and manufacturing to service and field execution.”
— Jeff Drees, CEO, Mission Critical Group

This is MCG’s second acquisition in 2025 and sixth in 24 months, reinforcing its mission to build resilient, American-made power infrastructure.

Read full press release here >> https://hubs.li/Q03RCy920

05/22/2025

Custom projects? We've got you covered.

At Leman Engineering & Consulting, we specialize in out-of-the-box solutions tailored for your unique needs. Whether you're building something new or upgrading existing systems — we are here to help!

Here is just a glimpse of what we can provide for you:

🔹 Automatic transfer switches (low and medium voltage)
🔹 Fused and non-fused medium voltage load break switches
🔹 Low voltage switchboards and switchgear
🔹 Medium voltage switchgear
🔹 Paralleling switchboards and switchgear (low and medium voltage)
↪️ Featuring integrated paralleling logic and control programming
🔹 Custom motor control panels
🔹 E-houses (Electrical Houses)
🔹 I-Line panelboards

…and so much more!

05/21/2025

Switchgear 101

Ever seen this in a switchgear lineup? 👀

It’s called a Schweitzer SEL-751 feeder protection relay — and here’s why you might see it in your custom build:

🔹 What it is: this relay is a commonly utilized component in our medium voltage gear acting as an important part of the ‘brain’ for vacuum interruptions.

🔹 Why it matters: The SEL-751 is integrated for overcurrent protection, over/undervoltage protection, are flash detection, high impedance fault protection, and more.

🔹 Why it’s in your gear: We choose components like this based on your specific project needs — whether it’s for safety, reliability, or system performance.

At LEC, we don’t just build panels — we build solutions tailored to you. 🛠️

05/20/2025

Explore LEC’s New Website — Powering Your Future

Leman Engineering & Consulting (LEC) is a power generation company built on a foundation of innovation, quality, and continuous improvement.

We’re proud to deliver custom-engineered solutions that meet the demands of today’s ever-evolving power market.

🔗 Check out our website to learn more about our products, services, and how we can support your power needs: https://lemanengineering.com

05/19/2025

Expertise you can count on!

Every LEC system is designed and built under the supervision of our seasoned team of switchgear professionals — bringing over 70 years of combined industry experience to the table.

Our commitment to quality means unmatched reliability, superior engineering, and the technical support you deserve — every step of the way.

05/16/2025

🚧 LEC is Expanding! 🚧

We’re growing to serve you better! Thanks to the support of our amazing clients and partners, LEC is expanding our facility to take on more custom switchgear projects and increase production capacity.

More space. More power. Same commitment to quality.

05/15/2025

Fl**ge Mount Camlock Enclosures by LEC

Want a clean, finished look for your building or enclosure? Our fl**ge mount camlock enclosures deliver just that, with safety and functionality as our highest priorities.

Key features include:

⚡ 12-gauge steel construction for durability
⚡ Powder coat paint for long-lasting protection
⚡ 45-degree camlock connections for easy and secure connections
⚡ Flush-mount design for seamless installation

Custom options available to meet your specific needs.

📞 Contact us: +1 (765) 563-8921
📧 Email: [email protected]

05/14/2025

The Right Solution. Every Project. Every Time.

At LEC, we deliver custom switchgear and switchboard solutions tailored for your exact needs — no guesswork, no shortcuts.

Just precision, reliability, and performance you can count on.

📞 Contact us: +1 (765) 563-8921
📧 Email: [email protected]

05/13/2025

🔧 Custom Saddlebag Enclosures from LEC 🔧

Looking for flexible solutions to feed multiple automatic transfer switches, load banks, or other loads? LEC’s custom saddlebag enclosures are the answer!

Built to mount on the side of your generator’s doghouse or termination box, these sheet metal enclosures are designed to fit perfectly. Options include:

⚡ Molded case circuit breakers or power circuit breakers
⚡ Manual or electrically operated
⚡ Optional key interlocks for added security
⚡ Multiple circuit breakers can be installed in one enclosure

Need cost-effective solutions? We've got you covered with clever design options to help drive down costs.

The enclosures arrive on a skid, and your generator tech can easily install it onto the generator with the inward-bent mounting fl**ge for secure bolting. Contact us to learn more!

📞 Contact us: +1 (765) 563-8921
📧 Email: [email protected]

Address

520 E 1050 South
Brookston, IN
47923

Opening Hours

Monday	7:30am - 4:30pm
Tuesday	7:30am - 4:30pm
Wednesday	7:30am - 4:30pm
Thursday	7:30am - 4:30pm
Friday	7:30am - 4:30pm

Telephone

+17655638291

Website

https://lemanengineering.com/

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