Some of the Clients include:
- Siemens Aktiengesellschaft Germany
- Strabag International GmbH
- WSP | Parsons Brinckerhoff
- Radar Technologies International/ Earthview Geoconsultants
- China Road and Bridge Corporation/Earthview Geoconsultants
- Rift Energy/Earthview Geoconsultants
- Africa Oil Ltd/ Earthview Geoconsultants
- AAR Japan and Drilling Services International
- CARE International
- AEGIS International/Grout and Shhotcrete
- Connex Cosultant Ltd/COBA
- Grout and Shotcrete Ltd / Kwale International Sugar Company Ltd
- Septcom Ltd; CAS Consultants/Ministry of Special Programmes;
- Opal Ltd./Kenya Power Lighting Co.;
- Nile Basin Initiative;
- Grout and Shotcrete Ltd/AEGIS International;
- Log Associates Ltd./World Vision;
- Foundation Piling/ KENGEN;
- Earthview Geoconsult;
- Kenya School of Monetary Studies/Department of Geology;
- Mangat I.B. Patel and Partners; Delmonte Ltd;
- Alicia Bakers and Confectioners Ltd;
- Veronica Intergrated Learning Centre;
- National Museums of Kenya;
- ADRA Somali;
- Archer Dramond Ltd;
- Groundwater Survey Ltd;
- Surtech Ltd;
- Central Bank of Kenya Pension Fund;
- UNICEF;
- Norwegian Church Aid;
- AMREF-CBHC;
- Diocese of El Obeid.
Noteworthy, most of the projects undertaken by RGS Ltd. are located in Kenya, and the neigbouring countries i.e. South Sudan, Somalia. An accelerated expansion both in number and size of the international projects is envisaged in the near future.