| ism.ws | Institute For Supply Management - Advancing The Purchasing And Supply Managemen |
| ipma.ch | International Project Management Association |
| icoste.org | International Cost Engineering Council (ICEC) |
| ncmahq.org | National Contract Management Association |
| pmi.org | Project Management Institute |
| iappm.org | International Association of Project and Program Management |
| hkipm.org.hk | Hong Kong Institute of Project Management |
| gpm-ipma.de | GPM Deutsche Gesellschaft fur Projektmanagement |
| aipm.com.au | Australian Institute of Project Management |
| primemanagement.net | Prime Management Services |
| ism.ws | www.ism.ws/ |
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