Winnebago-Itasca Travelers Phone Number (515) 582-6874 Email wit@winnebagoind.com Address PO Box 268Forest City, IA 50436United States Website winnebagoind.com Conventions competition; annual Grand National Rally (exhibits); seminar; tour
Winged Warriors/National B-Body Owners Association Phone Number (515) 432-3001 Address 216 12th St.Boone, IA 50036United States Website superbird.com
United States Handball Association, Iowa Chapter Phone Number (515) 281-3249 Address 12 Liberty BellDes Moines, IA 50317United States
Sports Turf Managers Association Phone Number (712) 322-7862 Email stmahq@st.omhcoxmail.com Address 1027 S. 3rd StreetCouncil Bluffs, IA 51503United States Website sportsturfmanager.com Conventions Annual Conference & Exhibition, January of each year
Sports Field Contractors Association Phone Number (712) 366-2669 Address 1375 Rolling Hills LoopCouncil Bluffs, IA 51503-8552United States
Spencer-Daybreakers Kiwanis Club Phone Number (712) 262-6358 Address PO Box 444Spencer, IA 51301-0444United States
Society of Iowa Florists and Growers Phone Number (712) 848-3251 Address 48428 290th Ave.Rolfe, IA 50581United States
Science Frontiers Phone Number 319-266-8669 Address c/o Gerald Baker624 W 8th StreetCedar Falls, IA 50613United States
Quill and Scroll Society Phone Number (319) 335-5795 Email quill-scroll@uiowa.edu Address University of IowaSchool of JournalismIowa City, IA 52242United States Website uiowa.edu Conventions National Writing/Photo Contest - competition; YearBook Excellence Contest - competition