La Harpe Telephone Co - La Harpe, Illinois

Flynn Environmental, Inc. - North Canton, Ohio

Vadose Environmental Consultants - Akron, Ohio

Environmental Training Systems - Lake Jackson, Texas

Petro Environmental - Lodi, Ohio

Controlled Environmental Systems - Cleveland, Ohio

La Harpe Water Tower - La Harpe, Illinois

Moody Environmental and Consulting, LLC - Cleveland, Ohio

Birks Works Environmental - Detroit, Michigan

Toledo Environmental Services - Toledo, Ohio