Markets & Clients

Cornerstone Client List

Your project is in which state? Cornerstone has probably been there and can help.

Serving large and small clients across the U.S. from a network of regional offices, we offer perspective and knowledge of local business and regulatory issues, and incorporate successful regional, national, and international solutions.

“The services provided by Cornerstone have been exceptional.”

Gary Conover,
Atlantic County Utilities Authority

East coast states West coast states Central states
East
Over 150 clients served - see below for a representative list
Ameresco
Aon Risk Services
Atlantic County Utilities Authority, NJ
Cardella Waste
City Carting
de maximis, inc.
Deep Green of new York
DTE Biomass
Eagle Recycling
Fraternity Meadows, LLC
Granger Electric & Energy Companies
Highstar Capital
Honeywell
IESI-Seneca Meadows, Inc.
Interstate Waste Services
ISP Chemicals LLC
Landfill Energy Systems
LEMCOR, Inc.
MHF Services
Ocean County Landfill, NJ
Orange County Department of Environmental Facilities and Services, NY
Pollution Control Financing Authority of Camden County
Pollution Control Financing Authority of Warren County
PurEnergy Operating
Putnam County, NY
Republic Services, Inc.
Rockland County, NY
Sullivan County DPW, NY
Transtech Industries, Inc.
Ulster County Resource Recovery Agency
Walters Group
Waste Connections, Inc.
Waste Management, Inc.
Westside Transload, LLC
Central
Over 100 clients served - see below for a representative list
Ameresco
AZO Services, Inc.
City of Riverview, MI
Clark Floyd Landfill
Dane County, WI
Deffenbaugh Industries, Inc.
DTE Biomass
Granger Electric & Energy Companies
Innovative Technical Solutions, Inc. (ITSI)
Landfill Energy Systems
Marathon County Landfill, WI
Pellitteri Waste Systems, Inc.
Republic Services, Inc.
Veolia Environmental Services
Waste Connections, Inc.
Waste Management, Inc.
William Charles Waste Companies
West
Over 40 clients served - see below for a representative list
Ameresco
City of Tucson, AZ
County of Maui Solid Waste Division, HI
DKL Holdings, Inc.
DTE Biomass
Granger Electric & Energy Companies
Lizard Rock Designs, LLC
Prescott Valley C&D Landfill
Republic Services, Inc.
Waste Connections, Inc.
Waste Management, Inc.
Western Placer Waste Management Authority