Cathodic Protection does Tough Mudder! Cathodic Protection Co. Limited, an engineering company based in Grantham, Lincolnshire are committed to supporting our community. We recognize the vital work performed by the NHS, United Lincolnshire Hospitals Charity and further local charities in aiding those who need it most. That is why are proud to be partnering with the ULHC, with a goal to raise funds to benefit the hospitals across our county. Target £2,250 Raised so far £1,539 £1,814 incl. Gift Aid Manage Cookie Preferences