Firmenkatalog
- TI Tecnoimpianti Sagl, Chiasso
- Tammaro Transports SA, Martigny
- Tecnoservice Engineering SA, Martigny
- The Classic Car Book-Shop, Herrliberg
- TiCOLORs, Mendrisio
- Tipo Print di Roncoroni + Sulmoni SA, Mendrisio
- Tipografia Stucchi S.A., Mendrisio
- Tom Capital AG, Zürich
- Toys World, Bagnes
- Tradevegetaux, Martigny
- Training School Nail - Bluelotus, Martigny
- Trendissima Sàrl - Bianchi Suisse, Fully
- Tristate international SA, Mendrisio
- Tödi-, Immobilien-, Beteiligungs- & Finanzierungs-AG, Meilen