A recent IDIS release boasts:

The strategic growth and expansion of global surveillance powerhouse IDIS — including the well-received 2015 expansion of the IDIS brand business into the Americas—has resulted in increased market share and industry presence with recognition in recent global rankings by key industry analysts and observers, including the 2016 IHS market analysis and a&s International “Security 50.” 

A direct quote says:

"It’s an incredibly exciting time for IDIS in the marketplace and we are thrilled to see our passion for serving the video surveillance marketplace reflected in real growth numbers and in the rankings from IHS and a&s. We look forward to continued growth and continuing to climb in these and similar measures of market leadership.”

A&S rankings over the last three reports however show sustained negative growth, from $137 million down to just 99 million:

2015

2014

2013

Do they think people don't read?