Tech sector blend of new and old guards

High-tech companies abound in the Boulder Valley and provide leadership in a diverse number of industries.

DigitalGlobe Inc. in Longmont, which owns and operates satellites that take high-resolution images from space, has become a world leader in its industry. It provides imagery to governments, the military and commercial users, including Google Maps.

Broomfield is the home of one of the biggest telecommunications companies in the world. Level 3 Communications Inc. is a Tier 1 telecommunications company that owns and operates “long haul” that span and connect continents. Level 3 also offers enterprise services for clients.

Just up the road in Louisville, Zayo Group…