Whether we our self-performing the entire project, or subcontract portions, the management style and execution remain the same.

USPS EMERGENCY Heating & Cooling


24 – 48 HR Emergency Delivery
Set up / Installation Options Available
Both 480V & 208V Options
Step Up/Down Transformers Available

Mechanical Services

Our HVAC team is trained to handle every part of your project. From fabricating custom ductwork to installing a dust collection system, to performing routine and preventative maintenance, we can ensure your equipment is running to its full potential and that your shop remains fully functional.


Our HVAC Operations, Maintenance, and Repair Services experts can help reduce maintenance costs and minimize downtime. We have Innovative approaches to HVAC repair and preventative maintenance and operations.


With a thorough assessment process, Lang will determine the root source of the problem before identifying your possible solutions. It’s critical to provide a proper diagnosis to ensure the issue is handled in its entirety so that future problems don’t emerge.


Emergencies don’t always happen between the typical business hours, which is why our team is on standby 24/7. If a pipe bursts or your toilet overflows in the middle of the night, don’t hesitate to give us a call.

General Contracting & Utility

Daily activities will be monitored and supervised by the quality control staff, including Safety & Health. Schedules, daily logs, milestones, material logs, safety meetings, etc. all performed by Lang Constructors personnel.

In addition to the permanent management & office staff we have employees that consist of the following trades: Laborers, carpenters, concrete finishers, mechanical technicians, plumbers, operators and truck drivers.

Some of the services we self-perform are:

  • Directional Boring
  • Excavation
  • Water/Sewer Services
  • Camera Services
  • Mechanical Services
  • Plumbing Services
  • Locating Services
  • Demolition
  • Concrete
  • Carpentry

Directional Drilling

Professional horizontal directional drilling, specializing in highly technical underground construction services.

Top quality directional boring installations are achieved with a proven model that starts from the beginning of every bore. Supervision, bore profiling, job planning and post bore product inspection, followed up with job quality assurance. Our drill operators and employees are the best and most experienced in the industry.

We are diversified in the services we provide to multiple utilities ranging from electrical, natural gas, water and sewer to telecommunications. Turn-key installations can also be provided with directional drilling to offer a complete project to include product tie-in, trenching, splicing and terminations.


The only way you can tell we’ve been here is, that the paving’s fixed. No cold joints like standard patching, so no cracks at the joints. That means water won’t penetrate and ruin the repaired area and that means savings. So does the elimination of excavation, hauling, dump fees, saw cutting and jack-hammering. Fewer hours are required, and the existing asphalt is recycled. The repair is hot bonded and permanent, returning the surface to its “as before” condition.

Infrared Asphalt consists of heating up an area of pavement to make it workable, raking the existing asphalt material, adding new asphalt when necessary, and then rolling the asphalt to finish.