Participation is encouraged from everyone associated with geotechnical engineering by providing various categories of membership, which is open to individuals, institutions and organizations whose activities or interests are akin with the aims of the Society. An individual may become a Member or a Fellow. Institution Membership is open to Institutions and Associate Membership is open to business concerns. The Society also recognizes members who have made significant contribution by conferring “Honorary Fellowship” on them. So far 12 members have been honored with Honorary Fellowship. The IGS has presently over 3000 members on its rolls.

IGS members have made significant contribution to the development of India by being actively involved and providing the requisite expertise for the solution of challenging problems related to earth and rock fill dams, canals, buildings, roads, road embankments, bridges, tunnels, underground power houses and offshore structures.