Inc. magazine’s list of the 5,000 fastest-growing companies in the country included 28 in Iowa.

The Greater Des Moines entries included BirdDogHR, Happy Medium, Businessolver, McClure Engineering Co., People’s Co. and seven others. 

Companies on the list averaged a three-year growth of 481 percent. The Iowa firms ranged between 53 percent and 693 percent. They ranked from 658th fastest-growing to 4,569th.

Urbandale-based BirdDogHR, a software firm, grew 157 percent and moved up 1,240 spots, to 2,308th from 3,548th.