Cook’s Mobile Shredding Service of Memphis, Tenn.; EnviroShred of Calgary, Alberta, Canada; EnviroShred of Edmonton, Alberta; Rapid Information Destruction (RID) Services of Sacramento, Calif.; Shred Experts of Saginaw, Mich.; Southern California Shredding of Lake Forest, Calif.; Super Save Shredding of Calgary; Total Destruction of Alamogordo, N.M. and Universal Shredding of Georgetown, Mass. have either achieved or renewed their NAID certifications for physical destruction of hard drives.