Log in to follow, share, and participate in this community. The following are companies with a chemistry connection that have headquarters or facilities in the Wabash Valley. We invite these organizations to provide us with a local link or contact person to include here.... Join ACS ACS Meetings ACS Network ACS Regional Meetings ACS Local Section Meetings ACS Careers Find a Job Get Involved, Stay Involved - a set of pages to help ACS Volunteers ACS Matters (newsletter) Brandin... The American Chemical Society (ACS) is the world’s largest scientific society and one of the world’s leading sources of authoritative scientific information. A nonprofit organization, chartered by Congress... Sep 22, 1944 letter establishing the Wabash Valley Section Bylaws of the Wabash Valley Section The Wabash Valley Section serves 10 counties in east-central Illinois and west-central Indiana.