primary sector - Business Directory https://biz.prlog.org/tag/primary-sector/ primary sector - Free business directory on PRLog.Org, latest companies listed first. 60 Iowa City Area Development Group https://biz.prlog.org/icadgroup/ The Iowa City Area Development Group provides economic development and workforce development services for primary sector companies in the Iowa City metropolitan area.Wed, 06 Jul 2011 15:26:15 GMT