John Grennon

John Grennon

John Grennon

Director of Business Development, LAN-TEL Communications, Inc.

John Grennon is the Director of Business Development at LAN-TEL Communications, Inc. Previously John Grennon was the Operations Supervisor at Massachusetts General Hospital.

News mentions

FLIR enhances safety at the city of Lawrence with dome cameras and video management system

FLIR enhances safety at the city of Lawrence with dome cameras and video management system

Situated north of Boston, the city of Lawrence is a densely populated area of over 79,000 residents. It’s known for being a manufacturing hub. When looking to address crime, the community found...

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