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                                           Memberships 
 
● CETA (Controlled Environment Testing Association) 

● I.E.S. (Institute of Environmental Sciences) 

● I.A.F.C.A. (The International Air Filtration Certifiers Association) 

● ISNetworld
 
                                         Certificates ofAccreditations
 
 
● BAKER / Eagleson Institute 

● Harvard School of Public Health 

● IEE (Institute For Environmental Education, Inc.) 

● Institute of Environmental Sciences and Technology 

● ISO 14644-3 (Particle Measuring Systems) 
 
● NSF 

● NuAire                        

                              Thank you for considering Certco
 

 Phone:          978-657-7777                                     Fax:978-657-4111