Engineers in Vibration Noise and Shock Control Marine, Industrial, Rail and Offshore Providing vibration noise and shock controls solutions for nealy 100 years. Christie & Grey is a leading manuafacturer of performance based engineered solutions to vibration structure bourne noise and shock control. Using our CRMS software and experienced expert application assitance we offer systems and componants designed for your exact application requirements. Systems that provide reliable, high performance isolation and long service life.