Midland Standard Engineering & Testing, Inc. - South Elgin, Illinois

Prudent Energy Systems - Knoxville, Tennessee

Geocon Professional Services - Rockford, Illinois

IMEG - DeKalb, Illinois

Cathodic Protection Management - Elburn, Illinois

Solution Engineering Group - Montgomery, Illinois

CES Inc. - Belvidere, Illinois

InterTECH Integrated Systems, Inc. - Contract CNC Programming - Rockford, Illinois

Energy Services & Management - Knoxville, Tennessee

Cypress Environmental Services - Huntington, Texas