Join the TSSI community

Be a TSSI member today

As a member, you will get exclusive access to digital downloads, consultations, guidance, research, and reports on sustainability.  TSSI memberships rates are dependent on the size of your terminal or refinery.

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Get instant access to our free digital downloads and updates including the Sustainability Self-Assessment Questionnaire. You may upgrade your membership anytime. 

On-site Assessment

125 €/hour; 1200€/calendar day + expenses

Research, expert guidance, advice, and consulting on sustainability at your location, writing and producing your sustainability report

Basic Membership

250€/month or 2750€/year

includes access to TSSI resources and expert advice and guidance on sustainability

Premium Membership

500€/month or 5000€/year

includes research, advice, guidance, writing and producing your sustainability report