National League of Cities Corporate Partners

CH2MHILL

Comcast

esri

The Home Deport

IMCARC

International Council of Shopping Centers

Socrata

Visa

Wells Fargo

Accela

Aetna

AT&T

Black & Veatch

Cigna

DART

Duke Energy

enterprise

FPL

IBTS

LocalSearch Association

Microsoft

Pioneer

Safeguard

Siemens

Southwest Airlines

TruGreen

U-Haul

UnitedHealthcare

United Water / Suez Environment

Walgreens

Walmart

Waste Management

Source:   http://www.nlc.org/corporate-engagement/corporate-partners-program/corporate-partners