| Name | Code | Last | Cur | M. cap. | Industry |
|---|
| Yulon Finance Corp | 9941 XTAI | 104.00 | TWD | 1,923 | Consumer Lending |
| Yulon Motor Co Ltd | 2201 XTAI | 34.30 | TWD | 1,229 | Cars |
| Yulon Nissan Motor Co Ltd | 2227 XTAI | 56.60 | TWD | 572 | Cars |
| Yung Chi Paint & Varnish Mfg Co Ltd | 1726 XTAI | 77.50 | TWD | 423 | Commodity Chemicals |
| YungShin Global Holding Corp | 3705 XTAI | 61.80 | TWD | 555 | Pharmaceuticals |
| Yusin Holding Corp | 4557 XTAI | 105.00 | TWD | 169 | Car parts |
| Zeng Hsing Industrial Co Ltd | 1558 XTAI | 99.80 | TWD | 223 | Appliances, Tools & Housewares |
| Zenitron Corp | 3028 XTAI | 33.50 | TWD | 268 | Semiconductors |
| Zero One Technology Co Ltd | 3029 XTAI | 112.50 | TWD | 633 | IT Services & Consulting |
| Zhen Ding Technology Holding Ltd | 4958 XTAI | 99.00 | TWD | 3,187 | Semiconductors |
| Zhong Yang Technology Co Ltd | 6668 XTAI | 47.95 | TWD | 156 | Industrial Machinery & Equipment |
| Zig Sheng Industrial Co Ltd | 1455 XTAI | 8.98 | TWD | 161 | Textile & Leather |
| Zinwell Corp | 2485 XTAI | 11.25 | TWD | 120 | Networking & Communications |
| Zippy Technology Corp | 2420 XTAI | 53.70 | TWD | 276 | Electrical Equipment |
| ZongTai Real Estate Development Co Ltd | 3056 XTAI | 34.25 | TWD | 411 | Other REITs |