EPI’s team of experienced technicians is skilled in maintaining and upgrading HEMP-shielded facilities around the globe. They understand the importance of regular maintenance for shielded enclosures and are committed to ensuring that these facilities are safe and reliable. With EPI, you can trust that your HEMP-shielded facility is in good hands and will receive the necessary maintenance to maintain its integrity.


EPI can perform hardness maintenance and surveillance (HM/HS) to ensure your facility is as good as it was when it was first built. We perform pre and post work testing to ensure shielding levels are maintained. Our experienced technicians have years of experience with all types of shielded POE treatments. Our team can also make recommendations and upgrades to decrease maintenance needs of your facility.


EPI employs technicians, electricians and welders that can handle any HEMP upgrade project. EPI can replace doors, electrical filters or even build entire additions to a hemp shielded facility.


EPI has the capabilities to perform full MIL-STD-188-125 testing, including Appendix A – Shield Effectiveness (SE), Appendix B – Pulsed Current Injection (PCI) and Appendix C – Continuous Wave Immersion (CWI) Testing. EPI has also developed many low level test techniques for maintenance testing that does not full level testing.