Telstra Corporation Ltd
- # 135NA
- NANA
- Industry: Diversified Telecommunication Services
- Country: Australia
- Green Score: 48.80%
- Energy Productivity Score: 61.80%
- Carbon Productivity Score: 25.90%
- Water Productivity Score: 50.90%
- Waste Productivity Score: 53.60%
Telstra Corporation Ltd. (known as Telstra) is an Australian telecommunications and media company which builds and operates telecommunications networks and markets voice, mobile, internet access, pay television and other entertainment products and services. Telstra is Australia's largest telecommunications company. Source: Wikipedia