The links above will lead you to a directional page with more links to further direct you to your category of choice.

References

Battelle's Website:

http://www.battelle.org/our-work/national-security/tactical-systems/battelle-dronedefender

GoPro's Karma:

https://shop.gopro.com/karma

DJI's Website:

http://www.dji.com

An Informative Page About Racing Drones:

http://bestdroneforthejob.com/drones-for-fun/racing-drone-buyers-guide-2/

InvenSense's Website:

https://www.invensense.com/solutions/drones/

Website For The Lily Drone:

https://www.lily.camera/

Website for the Skywall Net Cannon:

http://www.popsci.com/skywall-is-an-anti-drone-net-bazooka