Quantem Quantem Aviation Services is a premier aviation support provider specializing in ground and cargo handling, passenger services, and mail operations. Our core focus is the delivery of reliable aviation support services to our customers in the safest, most efficient way. Employee News Portal Contact Us Quantem Exchange On-line Quantem Webmail Company Our Services Where We Serve News & Media Employment Contact Welcome to Quantem Aviation Services [Quantem] Quantem Aviation Services, a member of the Inland Group, is a dedicated aviation ground support provider specializing in cargo, mail, passenger services and aircraft handling. Next » A member of the Inland Group Quantem Aviation Services • Manchester • NH • USA • 1-603-647-1717