Petainer opens corporate headquarters . v1 \! C* s$ B6 @ + D2 o7 \: C# @( N' YThursday, September 29, 2011 # ]0 {7 X4 z8 y% F$ }# P( S, f _$ b* ~/ h- l+ o9 \Peterborough, UK - Specialist plastics packaging technology business Petainer has opened a new corporate head office in Peterborough, UK, to support the company’s future business growth and international expansion. Petainer has manufacturing plants in Sweden, the Czech Republic and Germany but the holding company is a UK-registered business and the major investors are UK businesses or individuals.