HARRPA has 14 member companies (of which one associate member) all listed by type of production:

Rosin Resins & Pine Chemicals

 

DRT

EASTMAN

 

IngevityKemira

 

Kraton

Lawter

RB

 

 

United Resins

euroyser2018

 

 

 

Hydrocarbon resins

 

Mem ArakawaEU

Cray Valley

EASTMAN

 

Exxon Mobil

Kraton

Rutgers

 

 

Crude Tall Oil

 

DRT

 

 

Ingevity

Kraton

Kemira