Vitagene
Vitagene's test is the first FDA Emergency Use Authorized at-home COVID-19 Saliva test. Includes FedEx Overnight Shipping to the Lab and an official lab report. Can be used for travel in many circumstances.
Rankings by 
National Ranking
170th
in United StatesRegional Ranking
184th
in North America and CaribbeanGlobal Ranking
459th
worldwide