A
C
- C-Line
- Cambridge
- Canon
- Cardinal
- Carpets for Kids
- Carson-Dellosa Publishing
- Carter's
- Carver
- Casio
- Cennox
- Champion Sports
- Charles Leonard
- Chartpak
- Chase Scientific
- Checkers Safety Group
- Chenille Kraft
- Chicago Lighthouse
- Clauss
- CleanSlate
- Clover
- Comet
- Command
- Correll
- Cosco
- Cramer
- Crayola
- Creativity Street
- Crews
- Crown
D
I
L
M
O
P
R
S
- Safco
- Salsbury
- Samsill
- Samsung
- San Jamar
- Sandusky
- Saunders
- Scotch
- Scotch-Brite
- Screenflex
- Sealed Air
- Seiko
- Sentry Safe
- Sharp
- Sharpie
- Smead
- Smith Carrel
- Smith Corona
- Southworth
- Specialty Ink
- Springhill
- Stamp-Ever
- Stanley
- Stanley Bostitch
- Steel Cabinets USA
- Storex
- Strathmore
- Strong Hold
- Swingline
- Swingline GBC