ISTEA
Description
Intermodal Surface Transportation Efficiency Act of 1991
Municipal Technical Advisory Service
ISO
Description
Insurance Services Office
IRS
Description
Internal Revenue Service (federal)
IRIS
Description
Instructional Resources Information System (Water Quality)
IPS
Description
Institute for Public Service (UT)
IPMA
Description
International Personnel Management Association
IMLA
Description
International Municipal Lawyers Association
IIMC
Description
International Institute of Municipal Clerks
ICS
Description
Incident Command System
ICMA
Description
International City/County Management Association