Maestro Digital Mine

Maestro Digital Mine manufactures Industrial Internet of Things (IIoT) measurement and control instrumentation for the optimization of underground mine ventilation and underground digital networks for last mile of communication. Our products are made exclusively for the underground mine automation, IT and ventilation sectors that delivers energy savings and productivity improvements while meeting the highest health and safety standards.

Strategic Quote

"Maestro’s vision is to change the way underground mines communicate and to strip out complexity in the automation sector. We are recreating the methodology of underground asset automation by greatly reducing expensive and complex hardware, software, and engineered services using simple, mine hardened IIoT devices.” -Michael Gribbons, President & Co-Founder, Maestro Digital Mine

Main Leadership

Michael J. Gribbons, President, CEO & Co-Founder Mechanical Engineer – University of Waterloo (1984) President of Synergy Controls Corporation (Incorporated in 1992) President of High Grade Controls Corporation (Incorporated in 2012)

Mr. Gribbons was born and raised in the Sudbury region. Michael has 36 years of experience in mining and industrial process control. Synergy Controls, under Michael's leadership, has won dozens of sales awards along with two Innovation Awards since its inception in 1992. Maestro has received two Innovation Awards and an IoT Commercialization Award. Michael has been an active volunteer with the Greater Sudbury Chamber of Commerce in advancing roles as board director, treasurer and sitting on the executive board. Michael also served two terms as a board director and treasurer of CAMESE, now called MSTA a national (Mining Supply and Services Trade Association). Currently, Michael is Board Director and Vice President of MineConnect as well as a Board Director of MIRARCO Mining Innovation. David Ballantyne, COO, CTO & Co-Founder Electrical Engineer – Queens University (1991) President of Emfinity Inc. (Incorporated in 1996) Treasurer and Secretary of High Grade Controls Corporation (Incorporated in 2012) Mr. Ballantyne has 30 years of experience designing and manufacturing technology products specifically for the mining industry. During this interval, he has successfully led the development and deployment of several communication, sensing and control products within the global mining community for a variety of customers before jointly founding Maestro Digital Mine. David has significantly contributed to Maestro's two Innovation Awards and an IoT Commercialization Award.


Our core purpose is to enhance lives by the pursuit of productivity and safety excellence.

Working in partnership with the mining companies to develop solutions to real-time challenges, our digital solutions are recognized in over 34 countries and deployed globally in 145+ mines.

Main Products

Maestro Digital Mine manufactures IIoT ventilation devices and last mile digital networks for the underground mining sector. For a full list of products visit:

Plexus PowerNet™ – “Last Mile” gigabit communication network that can be deployed by any tradesperson while providing power and data over a standard coaxial cable.

Zephyr AQS™ – Air Quality and Quantity Monitoring Station used for ventilation monitoring and blast clearance optimization.

Vigilante AQS™ – Air Quality and Quantity Monitoring and Control Station used for advanced ventilation monitoring, control and blast clearance optimization.

EthernetI/O™ remote I/O – Remote I/O to allow both analog and discrete inputs and outputs to be added to an underground network without the requirement of a PLC.

SuperBrite™ Marquee Display – World’s only “fail-safe” LED display used to publish underground real-time environmental or production information on every level or in the ramp.

FanMon™ – Primary and booster fan monitoring system allowing real time and advanced diagnostic information allowing maximum up-time and fan protection.


Phone: (705) 805-6918

87 Magill Street Sudbury, Ontario, P3Y 1K6, Canada