Subsidiaries:
Danpipe A/S
Århus, Denmark, contractors, 100% owned

Aarsleff Rörteknik AB
Stockholm, Sweden, contractors, 100% owned

Aarsleff OY
Helsinki, Finland, contractors, 100% owned

Per Aarsleff ZAO
St Petersburg, Russia, contractors, 100% ejet

Per Aarsleff Polska Sp. z o.o.
Warsaw, Poland, contractors, 100% owned

Aarsleff S.r.l.
Italy, Milan, 100% owned

Associated companies:
Insituform Rohrsanierungstechniken GmbH.
Nuremburg, Germany, 50% owned

PAA International Engineering Corp.
Taichung, Taiwan, 50% owned

Insituform Linings PLC.
Northants, England, 25% owned