DG Nuclear, a division of the Dupill Group, specializes in supporting the Nuclear Industry.

For over 35 years, Dupill Group has provided product and service solutions for nuclear facilities. Nuclear brings an unique set of challenges that require stringent quality procedures and an appreciation for the criticality of every aspect of the project.

Our experienced engineers and trained technicians have the dedication and tenacity it takes to solve complex problems that have a high degree of urgency. We specialize in engineered valve solutions including valve replacement, rebuild, repair, actuation and services.

We do whatever it takes to get the job done.


Dupill Group’s Quality Assurance Program adheres to the strict procedures mandatory for nuclear facility and DOE applications including 10CFR50 Appendix B, ASME NQA-1, 10CFR21, 10CFR830.122 Subpart A, and DOE Order 414.1D for safety-related and commercial work.

Additionally, Dupill Group holds the following NBIC certifications:

Nuclear Capabilities

Quality Program

Dupill Group is committed to delivering products and services of an extremely high quality while growing our customer base in an effective and efficient manner. We satisfy all customer, 10CFR Part 21/10CFR50 Appendix B, ASME NQA-1, 10CFR830.122 Subpart A, and DOE Order 414.1D requirements as well as ISO 9001:2015 compliant and continually improve our processes to maintain total customer satisfaction and loyalty.