Tank cleaning. Explosion-proof TV inspection. Hydro excavation.

National Industrial Maintenance, headquartered in East Chicago, Indiana, offers a full line of environmental infrastructure inspection, maintenance and cleaning services. As part of the Carylon Corporation, a nationwide collection of 14 best-in-class companies, we have vast resources, expertise, and decades of experience to get the toughest jobs done right.

certified by the Women's Business Enterprise National Council

Experts take on every challenge

With National Industrial Maintenance, you know who’ll be working on every project: the best of the best. That’s why municipalities, utilities and industrial companies turn to us to solve today’s growing environmental challenges.

Complete pipeline of services

National Industrial Maintenance is your complete resource for infrastructure inspections, industrial cleaning, and excavation services.

Strong local provider

Headquartered in East Chicago, Indiana, National Industrial Maintenance is uniquely positioned to serve customers throughout the state and beyond. Contact us to learn more about our broad reach.

Proven real-world results

We have a long track record of success providing the expertise, equipment, technology and trained field force to quickly, safely and reliably handle any project. See how National Industrial Maintenance is making a difference where it matters most: in tough, gritty, demanding, real-world applications.

Getting it done right - guaranteed

National Industrial Maintenance performs the most comprehensive environmental infrastructure maintenance services throughout Chicagoland and surrounding areas. And then we back up every single project with a guarantee unmatched in the industry:

You must be completely satisfied or you pay absolutely nothing for our services.

Are you up for the challenge?

We’re looking for just the right candidates to rebuild our country’s environmental infrastructure. Join our team. Check out our Careers Center to find out what openings are available.