North America’s Structural Lining Specialists
Robotic HDPU lining for pipelines, culverts, wet wells and manholes.
Trenchless.
No-dig.
Built to last 50+ years.
25+ Years Experience
QUALITY NACE CIP Level 3 in-house inspection on every project. Mil-thickness verification, DFT testing, and full QC documentation provided to clients. Done right. Every time.
SAFETY COR Certified and Alcumus SafeContractor qualified. Rigorous confined space, H2S, and fall protection protocols. Zero incidents is not a target — it is the standard
ATTITUDE We show up, we solve problems, and we stand behind our work. QIS is built on long-term relationships with engineers, municipalities, and project managers who need a contractor they can trust.
Click on the links below to learn more about our Specialized Services.
STRUCTURAL
LINING
Learn more about Structural Linings, manhole rehabilitation, SprayWall application, and robotics.
PIPELINE REHABILITATION
Learn more about Restoring the structural integrity and functionality of damaged pipelines.
INDUSTRIAL COATING
Learn more about Industrial coatings, Tank linings, Mobile blasting, Epoxy, and Marine coatings.
CHEMICAL GROUTING
Learn more about Chemical grouting, slab jacking, void filling, soil stabilization, and our servicies.
Clients Who Trust Us:
KNOW OUR CREDENTIALS
- NSF/ANSI 61 Certified
- NACE CIP Level 3
- COR Certified
- Alcumus SafeContractor
- Sprayroq Certified Partner
