| No. | Company English Name | Company Chinese Name | Contact No. | Fax No. |
| C0001 | Sherex Fire-proof Material Co. | 瑞益防火建材 | 2688 6213 | 2787 9633 |
| C0002 | Joint Billion Fire Engineering Co. | 兆達防火工程公司 | 2688 6213 | 2787 9633 |
| C0003 | Promat International Asia Pacific Ltd. | 2836 3692 | 2834 4313 | |
| C0005 | Intumex Asia Pacific | 2895 0265 | 2576 0216 | |
| C0006 | Delta Pyramax Co Ltd. | 佳澤科技有限公司 | 2511 2118 | 2507 5078 |
| C0007 | Delta Pyramax Engineering Ltd. | 佳澤工程有限公司 | 2511 2118 | 2507 5078 |
| C0008 | Tong Chi Fire Door Engineering Ltd. | 湯始防火門工程有限公司 | 2391 3032 | 2393 2369 |
| C0009 | SPV Contrafi Limited | 顯明工程有限公司 | 2364 9938 | 2764 3496 |
| C0012 | Hang Kee Metal Works Company | 恒基工程公司 | 2688 0888 | 2688 0899 |
| C0015 | Fullview Holding (HK) Ltd | 富匯控股(香港)有限公司 | 2303 1732 | 2303 1387 |
| C0019 | Wah Fai Engineering Co | 華輝工程公司 | 2395 3887 | 2395 6999 |
| C0021 | Gelec (HK) Limited | 香港通用電器有限公司 | 2111 6554 | 2591 0548 |
| C0022 | Hung Team Building Materials Co., Ltd. | 鴻添建材有限公司 | 2380 7595 | 2380 8070 |
| C0023 | Po Shing (Worldwide) Company Limited | 寶成(環球)有限公司 | 2819 8898 | 2819 3398 |
| C0028 | Castco Testing Centre Ltd. | 佳力高試驗中心有限公司 | 2597 8333 | 2597 8399 |
| C0030 | Wing Ying Engineering Company Limited | 永楹工程有限公司 | 9800 8056 / 3568 2275 | 3568 2276 |
| C0035 | Dormakaba Hong Kong Limited | 多瑪凱拔有限公司 | 2503 4632 | 2887 5370 |
| C0036 | Sea Union Fire Engineering Limited | 海聯(防火)工程有限公司 | 3565 6280 | 3565 6281 |
| C0037 | Professional Fire-Resistant Glass Windows and Doors Engineering Company | 專業防火玻璃門窗工桯公司 | 3590 9032 | 3596 7932 |