World Class Filter Producer 

Registered to ISO 9001:2008

Clark Filter Quality Commitment & Status

First filtration company to meet AAR M-1003 requirements

Only liquid filtration company listed on the NAPM-RIG Quality List

Over 70 process control points to ensure customer quality, beginning to end

07/10	Maintained ISO 9001:2000 registration through four surveillance audits with no findings
01/09	Awarded registration to ISO 9001:2008 Standard
07/07	Maintained ISO 9001:2000 registration through four surveillance audits with no findings
09/06	Maintained ISO 9001:2000 registration through a 2-day re-registration audit through the Quality Management Institute
07/05	Maintained ISO 9001:2000 registration through four surveillance audits with no findings
07/03	Awarded Registration to ISO 9001:2000 Standard through the Quality Management Institute
06/00	Met all necessary criteria and received NAPM-RIF certification
08/99	Maintained ISO 9001 registration through two surveillance audits with no findings
08/98	Awarded registration to ANSI/ASQC Q9001 - 1994 ISO Standard through the Quality Management Institute
05/97	Conrail audited Clark Filter to ANSI/ASQC Q9001 - 1994 Standard to renew our NAPM-RIG Certificate.
12/96	Received "Business Excellence Award" from the Lancaster Chamber of Commerce and Industry
03/96	Conducted pre-audit to ISO 9001 Standard by Ahlstrom Filtration
04/95	CSX Railroad audited Clark Filter to AAR M-1003 and received NAPM-RIG Renewal Certificate
06/94	Received Outstanding Quality Supplier Award from Union Pacific Railroad
07/93	Audited and received Conrail Certification to AAR M-1003 Quality Standards and met the requirements of the National Association of Purchasing Management - Rail Industry Group (NAPM-RIG) Quality System Standards to become the only filter company listed in the filtration commodity group of NAPM-RIG
07/92	Audited and received Union Pacific Railroad Certification to AAR M-1003 Quality Standards