What is the relationship between PGi and software in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

"As the world's largest dedicated collaboration software and services provider, PGi has very specific operational requirements for managing our globally dispersed workforce and for continuing to improve our industry-leading customer service levels.

Answer: industry