O-rings and Seals 


McMasters Koss Co.
4224 Normandy Court
Royal Oak, Michigan 48073

Phone: (248) 549-1414
Fax:    (248) 549-7753


(800) 548-0089
 


Contacts

Gary Gibbs
President

garygibbs@mcmasterskoss.com
Ed Koss
Vice President

edkoss@mcmasterskoss.com
Robert McMasters
Consultant

mrmac@mcmasterskoss.com 
Marty Koss
Consultant

martykoss@mcmasterskoss.com
Bill Jackovich
Office Manager

bjackovich@mcmasterskoss.com
Paul Pirtle
Special Projects Manager

paul@mcmasterskoss.com
Robert Reifert
Quality Manager

robertr@mcmasterskoss.com
Chris Butzu
Finance Manager

chrisb@mcmasterskoss.com