extract all company names from the following text: b'\nHi NAME_1,Hope you\'re having a great, safe Monday.\n\nAfter working with many international airports, gtbcorps has made available an occupancy management solution to assist with meeting rigorous and potentially mandated government and health agency requirements for social distancing. The solution provides real-time occupancy alerts for any specific zone inside the airport and enables airports to enforce social distancing when queues are forming.\n\nOur technology has the ability, utilizing your existing WiFi infrastructure, to anonymously triangulate mobile device positions in a physical space without requiring passengers to sign into the WiFi or download an app. That way, you can obtain precise occupancy trends. Such trends can be shared with executives, externalized via your websites or mobile applications for commercial, cleaning and other use cases including informing passengers. Please refer to "gtbcorps Social Distancing COVID19 Airports" attachment.\n\nSince we utilize the existing WiFi infrastructure you have, we are able to implement this extremely quickly and efficiently as it doesn\'t require any capital expense or new hardware.\n\nI\'d love to schedule a brief call and share details around this use case and our technology. We are working with NAME_2 NAME_3, Toronto NAME_4 and Minneapolis Saint Lori (to name a few).Do you have availability this week for an exploratory conversation?Amber\n\n\n'