| NATIONAL FILTER SERVICE National Filter Service, Inc.
77522760 15 Jul 2008 | on 15 Mar 2018
| maintenance services, namely, cleaning, changing and servicing of filt... Class 037 Class 037 Construction and Repair Services maintenance services, namely, cleaning, changing and servicing of filters used in commercial HVAC systems | | | NFS National Filter Service, Inc
76566493 12 Dec 2003 | on 08 Jan 2015
| maintenance services, namely cleaning, changing and servicing of filte... Class 037 Class 037 Construction and Repair Services maintenance services, namely cleaning, changing and servicing of filters used in commercial HVAC systems | |