Engineering Jack Plentovich Posted by Who's Who Site Administrator on February 3, 2019 Most Recent Title: Chemical Engineer Company: Va. Chems. Industry: Engineering Years in Industry: 25 Years affiliated with Marquis Who’s Who: 28 Contact Jack Plentovich: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...