- Crws
- Cryo-Cell International, Inc.
- CryoLife, Inc.
- Csbr
- Csco
- Csgs
- Csl
- Cslm
- Cslmu
- Cslr
- Cspi
- Csr
- Cstl
- Csv
- Cswc
- Cswi
- Csx
- Ctas
- Ctbi
- Ctcx
- Ctgo
- Cthr
- Ctkb
- Ctlp
- Ctlt
- Ctm
- Ctmx
- Ctnt
- Cto
- Ctos
- Ctra
- Ctre
- Ctrn
- Cts
- Ctsh
- Ctso
- Ctv
- Ctva
- Ctxr
- Cube
- Cubi
- Cue
- Cue Biopharma, Inc.
- Cuk
- Cull
- Cullinan Management, Inc.
- Cullman Bancorp, Inc.
- Culp
- Culp, Inc.
- Cumberland Pharmaceuticals Inc.
- Cummins Inc.
- Cumulus Media Inc.
- Curi
- Curis, Inc.
- Curv
- Cushman & Wakefield plc
- Cutera, Inc.
- Cutr
- Cuz
- Cvbf
- Cvco
- Cveo
- Cvgi
- Cvgw
- Cvi
- Cvkd
- Cvlg
- Cvlt
- Cvly
- Cvm
- Cvna
- Cvr
- Cvrx
- Cvs
- Cvu
- Cvv
- Cvx
- Cw
- Cwan
- Cwbc
- Cwco
- Cwd
- Cwen
- Cwh
- Cwk
- Cwst
- Cwt
- Cxai
- Cxdo
- Cxm
- Cxt
- Cxw
- Cycc
- Cyclerion Therapeutics, Inc.
- Cycn
- Cyh
- Cyn
- Cyngn Inc.
- Cyrx
- Cytek Biosciences, Inc.
- Cyth
- Cytk
- Cytokinetics, Incorporated
- CytomX Therapeutics, Inc.
- Cytosorbents Corporation
- Czfs
- Cznc
- Czr
- Czwi
- D
- D.R. Horton, Inc.
- D.R. 호튼
- D.R. 호튼 (D.R. Horton, Inc., DHI)
- DAIO
- DAKT
- DAL
- DALN
- DAN
- DAR
- DARE
- DASH
- DATS
- DATS (DATS, DATS)
- DAVE
- DAVE (DAVE, DAVE)
- DAWN
- DAY
- DBA GoRecv
- DBA 고렉
- DBA 고렉 (DBA GoRecv, DAY)
- DBD
- DBGI
- DBGI (DBGI, DBGI)
- DBI
- DBRG
- DBRG (DBRG, DBRG)
- DBVT
- DBV Technologies S.A.
- DBV 테크놀로지
- DBV 테크놀로지 (DBV Technologies S.A., DBVT)
- DBX
- DC
- DCGO
- DCGO (DCGO, DCGO)
- DCI
- DCO
- DCOM
- DCOM (DCOM, DCOM)
- DCTH
- DC (DC, DC)
- DD
- DDD
- DDOG
- DDS
- DD (DD, DD)
- DE
- DEA
- DECA
- DECAU
- DECAU (DECAU, DECAU)
- DECA (DECA, DECA)
- DECK
- DEI
- DELL
- DENN
- DERM
- DFH
- DFIN
- DFLI
- DFLI (DFLI, DFLI)
- DFS
- DFS (DFS, DFS)
- DG
- DGICA
- DGICA (DGICA, DGICA)
- DGICB
- DGICB (DGICB, DGICB)
- DGII
- DGLY
- DGX
- DH
- DHAI
- DHAI (DHAI, DHAI)
- DHC
- DHC (DHC, DHC)
- DHI
- DHIL
- DHI Group, Inc.
- DHI 그룹
- DHI 그룹 (DHI Group, Inc., DHX)
- DHX
- DIBS
- DIN
- DINO
- DIOD
- DIST
- DIST (DIST, DIST)
- DIT
- DJCO
- DJT
- DJT (DJT, DJT)
- DK
- DKL
- DKNG
- DKNG (DKNG, DKNG)
- DKS
- DLA
- DLB
- DLHC
- DLH Holdings Corp.
- DLH 홀딩스
- DLH 홀딩스 (DLH Holdings Corp., DLHC)
- DLPN
- DLPN (DLPN, DLPN)
- DLR
- DLR (DLR, DLR)
- DLTH
- DLTR
- DLX
- DM
- DMAC
- DMC Global Inc.
- DMLP
- DMRC
- DMYY
- DMYY (DMYY, DMYY)
- DM (DM, DM)
- DNA
- DNA (DNA, DNA)
- DNB
- DNLI
- DNMR
- DNMR (DNMR, DNMR)
- DNOW
- DNTH
- DNUT
- DO
- DOC
- DOCN
- DOCS
- DOCU
- DOMH
- DOMO
- DORM
- DOUG
- DOV
- DOW
- DPCS
- DPCSU
- DPCSU (DPCSU, DPCSU)
- DPCS (DPCS, DPCS)
- DPSI
- DPZ
- DRCT
- DRCT (DRCT, DRCT)
- DRH
- DRH (DRH, DRH)
- DRI
- DRIO
- DRIO (DRIO, DRIO)
- DRMA
- DRMA (DRMA, DRMA)
- DRQ
- DRRX
- DRS
- DRVN
- DSGN
- DSGR
- DSP
- DSS
- DT
- DTC
- DTE
- DTE (DTE, DTE)
- DTI
- DTIL
- DTI (DTI, DTI)
- DTM
- DTSS
- DTST
- DTST (DTST, DTST)
- DT Midstream, Inc.
- DT 미드스트림
- DT 미드스트림 (DT Midstream, Inc., DTM)
- DUET
- DUETU
- DUETU (DUETU, DUETU)
- DUET (DUET, DUET)
- DUK
- DUK (DUK, DUK)
- DUOL
- DUOT
- DURECT Corporation
- DV
- DVA
- DVAX
- DVN
- DWSN
- DX
- DXC
- DXCM
- DXC Technology Company
- DXC 테크놀로지
- DXC 테크놀로지 (DXC Technology Company, DXC)
- DXLG
- DXPE
- DXP Enterprises, Inc.
- DXP 엔터프라이즈
- DXP 엔터프라이즈 (DXP Enterprises, Inc., DXPE)
- DXR
- DXYN
- DX (DX, DX)
- DY
- DYAI
- DYCQ
- DYCQU
- DYCQU (DYCQU, DYCQU)
- DYCQ (DYCQ, DYCQ)
- DYN
- DYNT
- DZS
- DZSI
- DZS (DZS Inc., DZSI)
- DZS Inc.
- D (D, D)
- DaVita Inc.
- Daily Journal Corporation
- Daio
- Dakt
- Daktronics, Inc.
- Dal
- DallasNews Corporation
- Daln
- Dan
- Dana Incorporated
- Dar
- Darden Restaurants, Inc.
- Dare
- Dare Bioscience, Inc.
- Darling Ingredients Inc.
- Dash
- DataSea Inc.
- Data I/O Corporation
- Datadog, Inc.
- Dats