Indiana Motor Truck Association Website: http://www.imtaonline.net
Indiana Roofing Contractors Association Website: http://www.indianaroofing.org
Indiana Structural Engineers Association (ISEA) Website: http://www.seain.org
Indiana Truck Pullers Association Website: http://www.indianatruckpullers.net
Industrial Designers Society of America (IDSA) Website: http://www.idsa.org
Industrial Heating Equipment Association (IHEA) Website: http://www.ihea.org
Industrial Research Institute (IRI) Website: http://www.iriweb.org/
Infectious Diseases Society of America (IDSA) Website: http://www.idsociety.org
In-Plant Printing and Mailing Association (IPMA) Website: http://www.ipma.org
Intelligent Transportation Society of America (ITS America) Website: http://www.itsa.org/
Intermountain Forest Association (IFIA) Website: http://www.ifia.com/
International Association of Amusement Parks and Attractions (IAAPA) Website: http://www.iaapa.org/
International Association of Sheet Metal, Air, Rail and Transportation Workers (SMART) Local #18, Wisconsin Website: http://www.smwlu18.org
International Fertilizer Development Center (IFDC) Website: http://www.ifdc.org/
International Food Policy Research Institute (IFPRI) Website: http://www.ifpri.org/
International Foreign Service Association (IFSA) Website: http://www.ifsanet.org
International Log Builders' Association Website: http://www.logassociation.org/index.php
International Plant Nutrition Institute, USA (IPNI) Website: http://www.ipni.net/
International Wood Products Association Website: http://www.iwpawood.org/
International Zinc Association (USA) Website: http://www.zincworld.org/
Investigative Engineers Association Website: http://www.ienga.com
Iowa Engineering Society Website: http://www.iaengr.org
Iowa Roofing Contractors Association Website: http://www.iowaroofingcontractors.com/
Jamaica Association in Switzerland (JAS) Website: http://www.jamaicaassociation.ch
Jamaica Awareness Association of California (JAAC) Website: http://www.jamaicaawareness.org
Jamaica Nurses Group of New York Website: http://www.jamaicanursesgroup.com
Jamaican American Adventist Association Website: http://www.jaaa.org
Jamaican American Association of Northern California (JAANC) Website: http://www.jaanc.org
Jamaican American Bar Association Website: http://www.jamaicanamericanbar.org