Lang Mechanical Inc.

Industrial/Commercial General Contracting

#1 stop shop for all your construction needs


Lang Mechanical Inc. is a general contractor that is a minority owned family oriented industrial/commercial construction company capable of several areas of maitenance,repair, and installations. Based in Sugar Grove Il. our primary goal is to achieve efficient low cost construction at the highest quality of union craftsmanship. As Caterpillar being one of our primary customers and also us being an in house contractor for over 20 years,  we have had the oppurtunity to put our skills to the test as being Browze certified. We have several skill sets along with an exceptional safety record and are determined to maintain and expand on our every aspect. Please feel free to contact our office for any additional information. Thank You.


If you are in search of a mechanical contractor, then this may be the company for you. We are a full service one stop shop dedicated to the highest quality in Facility maitenance, Plumbing/pipefitting, Electrical, Steel erection, Fabrication, HVAC, Foundations, Carpentry, Machinery installation, Underground, and Indoor/outdoor Lighting just to name a few. Assembly line and fabrication process installation are ecspecially efficient for us due to excellent project management and experience.

 Free Estimates

Please contact anyone from our staff for a fast free estimate with quality skilled trade craftsmenship.

Plumbing/Pipefitting service


We offer a wide variety plumbing services from roughing in to service, we can do it all. Pipefitting is also available in several areas including new installations, service, and repair to existing.

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Electrical Service

Electrical Dept.

Professionally trained journeyman electricians

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Carpenter Services


Our carpenters are commited to excellence in providing the best possible service in a wide range of duties. From concrete to complete buildings, our carpenters have you covered.

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Millwright Services


Millwright Local 1693 Our Millwright team consists of professionally trained personell. With a wide variety of expertise, we are ready to tackle any job.

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Welding/Fabrication Services


Our certified welders are available for field or shop welding. We have you covered for all welding whether it's Stick, Mig, or Tig.

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HVAC/Sheet Metal Services

HVAC/Sheet Metal

Our sheet metal dept. will build to suit from custom fabrication to HVAC, we can handle it.

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Laborers Service


Our Laborer support team strives everyday to make a difference

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Ron Lara

General Manager

Project Manager/Estimator

Nathan Dilley




  • Sugar Grove, IL, United States