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Customer Approvals 

Pratt & Whitney MCL (refer to P&W MCL Appendix 56)

Pratt & Whitney MCL Form 625G (P&W Direct Approval) 

GE S400 Approval 

GE E50TF133 Grain Size Approval 

Lockheed Martin: Corporate ID LM0479486 

Rolls-Royce (sub-tier) 

ATI Nuclear Approval  

Curtiss-Wright Electro-Mechanical Division (EMD) 

Aerojet Rocketdyne RC5166 (Material Testing) 

Safran (AMS2300)

Interested in seeing our accreditations? Click HERE

PES Testing 
Test Results When 
YOU Need Them 
637 Donohoe Road 
Latrobe, PA 15650
 
Tel: 724-834-8848 
Fax: 724-834-9151 
Hours: 7am-6:30pm
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