CSJ

CSK

CSL

CSM

Customer Service Manager. we have one of those at Michael's. XD

CSN

CSO

CSP

CSQ

CSR

CSS
like, for using to make websites look pretty!

CST

Central Standard Time

CSU

CSV

CSW

CSX

CSX Transportation - they're trains, i'm pretty sure.

CSY

CSZ

CTA

(I'm doing this correctly, right? Never been the first one to do an A before)

CTB

yep, you got it right! =)

CTC

(yes! Thank you.)

CTD

yep yep!

CTE

CTF

CTG

CTH

CTI

CTJ

CTK

CTL

CTM

CTN

CTO

CTP

CTQ

CTR

CTS

CTT

CTU

Counter-Terrorism Unit .... from the show '24'

CTV

CTW

Children's Television Workshop - it's now called Sesame Workshop, and they're the people behind Sesame Street and other kids' shows

also CTV is a tv station in Canada. XD