Swarm Development Group was created in 1999.
A swarm is usually the term for a large 'group' in one place. You cannot have a group of swarm as a swarm is a group
A Swarm A Swarm
Shelbourne Development Group was created in 1987.
MOTO Development Group was created in 1991.
A group of flies is called a swarm or cloud.
Shades of the Swarm was created in 1997.
Cincinnati Swarm was created in 2002.
Chennai Swarm was created in 2011.
Minnesota Swarm was created in 2004.
GeoDefense Swarm was created in 2009.
Swarm of the Snakehead was created in 2006.
Precision Manuals Development Group was created in 1997.