https://www.companyofmen.org/topic/163412-full-list-of-american-airlines%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers/

https://www.companyofmen.org/topic/163411-full-list-of-lufthansa-airlines%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers/

https://forums.giantitp.com/showthread.php?684923-Full-List-Of-QuickBooks%AE-CUSTOMER-SERVICE%AE-USA-Contact-Number-A-Complete-2025-Guid&p=26261159#post26261159

https://www.companyofmen.org/topic/163408-full-list-of-iberia%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers-in-usa/

https://www.writershelf.com/article/complete-list-of-official-quickbooks%E2%84%A2-payroll%E2%84%A2-support-numbers-in-the-usa-connect-with-quickbooks-experts

https://www.companyofmen.org/topic/163407-full-list-of-british-airways%C2%A0%C2%AE%EF%B8%8F-customer%C2%AE-contact-numbers/

http://forums.graphonomics.org/index.php?threads/full-list-of-qantas-air-lines%C2%AE-customer%E2%84%A2-service%C2%AE-usa-contact-numbers-a-step-by-step-guide.290628/

https://www.companyofmen.org/topic/163406-flights-guideline-full-list-of-priceline-%C2%AE%EF%B8%8F-usa-support-co/

https://www.companyofmen.org/topic/163404-full-list-of-expedi%F0%9D%90%9A%C2%AE-refund%E2%84%A2-service%C2%AE-usa-contact-number/

https://uqworld.org/t/live-assistance-at-quickbooks-payroll-customer-support-number-full-u-s-contact-guide/5164