Exitos

 Regional Mexican KMRI "Exitos 1550 AM" - Salt Lake City, Utah

 Regional Mexican KXTS "Exitos 98.7" - Santa Rosa, California

Spanish Adult Contemporary KHIT "Exitos 107.1"- Fresno, California

KSAM

1490 AM KSAM broadcast from Huntsville, Texas up until the early 2000s.  The top sticker has an old mascot logo from the Sam Houston State University Bearkats.

KLBB

A sticker and magnet from KLBB in St. Paul, Minnesota which carried a Big Band/Nostalgia/MOR format.  The KLBB call letters now reside at 1220 AM licensed to Stillwater, MN.

KEGY

KEGY "Energy 103.7" plays Top-40 music in San Diego, California.  They went on the air in March, 2012.

Énergies

Énergie is a network of French-language CHR stations broadcasting throughout Quebec and eastern Ontario, Canada.

104.1 CKTF - Gatineau, Quebec

106.1 CIMO - Magog, Quebec

98.9 CHIK - Quebec City, Quebec

92.1 CJDM - Drummondville, Quebec

102.3 CIGB - Trois-Rivieres, Quebec

WMVV

A sticker and magnet from Religious station 90.7 WMVV licensed to Griffin, Georgia.

Radio Koliba

Radio Koliba went on the air in 1997 and is based in Bratislava, Slovakia. 

WHRK

"K97" is an Urban Contemporary station in Memphis, Tennessee.  WHRK (W Harold R Krelstein--the president of Plough Broadcasting) began as a Disco/Rhythmic CHR outlet in 1976.

Hitrádio FM

Hitrádio FM is a network of regional pop music stations in the northern Bohemian part of the Czech Republic.  This sticker is for two frequencies covering the city of Most.

WWEC

88.3 WWEC is the student-run radio station at Elizabethtown College in Elizabethtown, Pennsylvania.  Radio on campus began in 1963 with an AM carrier current station while FM broadcasts commenced in 1990.

KMGA

"99.5 Magic FM" KMGA is an Adult Contemporary station in Albuquerque, New Mexico.

WNWR / WUST

AM 1540 WNWR (W New World Radio) simulcasts the English-language programming of China Radio International for its entire broadcast day.  AM 1120 WUST also airs CRI as well as other brokered, foreign language programming including Radio France International.  Both stations must sign off at night to protect the signals of Class A stations KMOX in St. Louis, MO, KXEL in Waterloo, IA and ZNS-1 from Nassau, Bahamas.

WKTN

95.3 WKTN is a locally-focused, Adult Contemporary station in (W) KenToN, Ohio.

WGGQ

"99Q" WGGQ was a CHR station licensed to Waupun, Wisconsin from 1984 until 1990.  This was the second incarnation of "99Q" which was also an automated Top-40 station from 1976 to 1981.

Busses

Classic Rock "98.9 The Bus" WORC - Worcester, Massachusetts

Oldies "96.7 The Bus" KXBS - Santa Paula, California

Top-40 "100.7 The Bus" WBVS - Coal City, Illinois

Top-40 99.9 WBUS - Kankakee, Illinois

KUPL

98.7 KUPL plays Country music in Portland, Oregon.  In 2013, they re-branded the station to "98.7 The Bull".

KRCC

91.5 FM KRCC is owned by Colorado College in Colorado Springs.  They started in the 1940s as a campus public address system and officially went on the air in 1951.  Another KRCC sticker can be seen here.
Below is a fascinating (probably only to me) video of various KRCC t-shirts and other station memorabilia.

WUBE

WUBE has been a Country music station in Cincinnati, Ohio since 1969.