AGL Resources
natural gas utility
Aggregates USA
mining
American Council of Engineering Companies (Georgia)
American Kratom Association
Atlantic Waste Services
City of Atlanta
water and sewer
AquaSmart, Inc.
Barrow County
air quality
BFI
landfill and solid waste company
Brandt Information Systems, Inc.
information technology
Brown and Caldwell
engineering company
Caddell Construction Company
Carroll County Water Authority
reservoir
Cherokee County Water and Sewer Authority
CH2M Hill
engineering company
Colonial Pipeline Company
Consolidated Utilities
water and wastewater
Dalton Utilities
water and wastewater
DeKalb County
water and wastewater
DSM
chemical producer
E.R. Jahna
mining
EMBW
private water utility
Emerald Princess Casino
Emory University and Emory Healthcare
Enlyte
insurance
Etowah Sewer and Water Authority
water and wastewater
Fayette County
water reservoir and air quality