| SPECTRA LIMITED | Private company limited by shares | Dissolved |
| SPECTRA LIMITED | Private company limited by shares | Dissolved |
| Ag Spectra Limited | Private company limited by shares | Dissolved |
| NML SPECTRA LIMITED | Private company limited by shares | Live |
| SPECTRA LIMITED | Private company limited by shares | Dissolved |
| SPECTRA LIMITED | Private company limited by shares | Live |
| Spectra Asia Company Limited | Private company limited by shares | Dissolved |
| Spectra Capital Limited | Private company limited by shares | Live |
| Spectra Capital II Limited | Private company limited by shares | Live |
| ELITE SPECTRA LIMITED | Private company limited by shares | Live |
| NEW SPECTRA BEAUTY & FIGURE CENTRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPECTRA FINANCE & COMPANY LIMITED | Private company limited by shares | Dissolved |
| SPECTRA FINANCIAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| SPECTRA INVESTMENT LIMITED | Private company limited by shares | Live |
| GRAND SPECTRA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SPECTRA JEWELRY LIMITED | Private company limited by shares | Dissolved |
| SPECTRA PARTNERSHIP LIMITED | Private company limited by shares | Live |
| SPECTRA PRODUCTS LIMITED | Private company limited by shares | Live |
| SPECTRA SALES LIMITED | Private company limited by shares | Dissolved |
| SPECTRA STAR ASIA, LIMITED | Private company limited by shares | Dissolved |
| SPECTRA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SPT SPECTRA TECH COMPANY LIMITED | Private company limited by shares | Live |
| SPECTRA TOYS LIMITED | Private company limited by shares | Dissolved |
| SPECTRA TUNE LIMITED | Private company limited by shares | Live |
| SPECTRADE LIMITED | Private company limited by shares | Dissolved |
| SPECTRAGEM TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SPECTRAL ENERGIES LIMITED | Private company limited by shares | Live |
| SPECTRAL RESEARCH SERVICES LIMITED | Private company limited by shares | Dissolved |
| Spectral IT Solutions Limited | Private company limited by shares | Live |
| SPECTRALINE LIMITED | Private company limited by shares | Live |
| Spectraline Technologies Company Limited | Private company limited by shares | Live |
| Spectralocus Industry Limited | | Live |
| SPECTRAONE LIMITED | Private company limited by shares | Live |
| SPECTRA-PHYSICS ASIA LIMITED | Private company limited by shares | Live |
| SPECTRA-PHYSICS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SPECTRART LIMITED | Private company limited by shares | Live |
| SPECTRASIA LIMITED | Private company limited by shares | Dissolved |
| SpectraSynq Co Limited | | Live |
| SPECTRAVIDEO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |