| Name | Code | Last | Cur | M. cap. | Industry |
|---|
| Yulon Finance Corp | 9941 XTAI | 107.50 | TWD | 1,968 | Consumer Lending |
| Yulon Motor Co Ltd | 2201 XTAI | 36.05 | TWD | 1,279 | Cars |
| Yulon Nissan Motor Co Ltd | 2227 XTAI | 56.50 | TWD | 566 | Cars |
| Yung Chi Paint & Varnish Mfg Co Ltd | 1726 XTAI | 76.70 | TWD | 415 | Commodity Chemicals |
| YungShin Global Holding Corp | 3705 XTAI | 62.00 | TWD | 551 | Pharmaceuticals |
| Yusin Holding Corp | 4557 XTAI | 110.00 | TWD | 176 | Car parts |
| Zeng Hsing Industrial Co Ltd | 1558 XTAI | 96.50 | TWD | 214 | Appliances, Tools & Housewares |
| Zenitron Corp | 3028 XTAI | 34.15 | TWD | 270 | Semiconductors |
| Zero One Technology Co Ltd | 3029 XTAI | 115.50 | TWD | 644 | IT Services & Consulting |
| Zhen Ding Technology Holding Ltd | 4958 XTAI | 106.50 | TWD | 3,395 | Semiconductors |
| Zhong Yang Technology Co Ltd | 6668 XTAI | 45.00 | TWD | 145 | Industrial Machinery & Equipment |
| Zig Sheng Industrial Co Ltd | 1455 XTAI | 9.36 | TWD | 166 | Textile & Leather |
| Zinwell Corp | 2485 XTAI | 11.70 | TWD | 124 | Networking & Communications |
| Zippy Technology Corp | 2420 XTAI | 54.80 | TWD | 279 | Electrical Equipment |
| ZongTai Real Estate Development Co Ltd | 3056 XTAI | 34.80 | TWD | 413 | Other REITs |