telco
noun /ˈtelkəʊ/
  /ˈtelkəʊ/
(plural telcos)
 used especially in newspapers- a telecommunications company电信公司 - Telcos were struggling to make money from broadband services.各家电信公司那时正努力通过宽带业务赢利。 
 词源1970s: abbreviation.
- Telcos were struggling to make money from broadband services.