Enviro Tech Announces $4M Expansion, 40 New Jobs at Helena-West Helena Plant by Arkansas Business Staff Posted 7/20/2012 10:59 am Updated 4 years ago Enviro Tech CEO Mike Harvey credits favorable business environment, employees for company's Arkansas expansion. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 15 days. Purchase Now Already have archive access? Login to view this article.