- AAOI
- AASP
- ABTL
- ACLP
- ACWI
- ACWX
- ACXM
- ADRD
- ANAD
- APVS
- ASEI
- AT
- ATO
- ATTU
- AVA
- AXTI
- BOSC
- BSRC
- CA
- CALD
- CCIH
- CCOP
- CHC
- CKP
- CLGX
- COVR
- COWI
- CPHD
- CRAY
- CSJ
- CSMB
- CSMN
- CSRH
- CTG
- D
- DBD
- DDP
- DEM
- DGLY
- DMRC
- DYN
- EBIX
- ECOS
- EDCI
- EKCS
- EPAM
- ERMS
- ESE
- EVOL
- EWX
- EXAR
- EZCH
- FARO
- FB
- FCS
- FDT
- FICO
- FLIR
- FNX
- FOR
- FORTY
- GAS
- GAWK
- GEEK
- GOOG
- GOOGL
- GPLHE
- GRDH
- GRUB
- GWRE
- HPCS
- HPQ
- HTM
- IDHB
- IDLV
- IDOI
- IFIT
- IJS
- IMKI
- IPAS
- ISDR
- IT
- ITC
- ITRI
- JRJC
- KT
- KTOS
- LUXR
- MAGS
- MAMS
- MCAP
- MEAS
- MEET
- MKSI
- MOVE
- MRVL
- MSCC
- MTLK
- NEOM
- NJR
- NLP
- NOW
- NTCT
- NTT
- NU
- NULM
- ORAN
- ORFR
- PAYM
- PCYG
- PDFS
- PEGI
- PHB
- PIZ
- PKB
- PLCM
- PLT
- PRKR
- PSCD
- PSCM
- PSEM
- PTOO
- PUI
- PXMC
- PXSC
- PYZ
- QFOR
- RAX
- REDF
- RGCO
- SANT
- SATCQ
- SBAY
- SCIA
- SGI
- SLAB
- SMI
- SMTP
- SPXA
- SRMC
- SURP
- SXE
- SYTE
- TAC
- TDD
- TDH
- TDX
- TEG
- TNGO
- TQNT
- TRMB
- TRNS
- TSEM
- TSRI
- UNTD
- UTL
- VAPE
- VCHS
- VCIT
- VNET
- VRNT
- WEC
- WGL
- WIFI
- WSCO
- WUBA
- XSNX
- YELP
- YHOO
- YY
- ZIGO
Services > Security Protection Services:
- Ascent Capital Group, Inc. (ASCMA)
- The Adt Corporation (ADT)
- Xenonics Holdings, Inc. (XNNH)
- Universal Security Instruments Inc. (UUU)
- Smart-tek Solutions Inc. (TREP)
- Smartmetric Inc. (SMME)
- Leeward Group Holdings Inc. (PCPZ)
- Nxt-id, Inc. (NXTD)
- Napco Security Technologies Inc. (NSSC)
- The Brink's Company (BCO)
- Mine Safety Appliances Co. (MSA)
- Command Security Corp. (MOC)
- Mistras Group Inc. (MG)
- Lojack Corp. (LOJN)
- Kratos Defense & Security Solutions Inc. (KTOS)
- Inksure Technologies Inc. (INKS)
- Magal Security Systems Ltd. (MAGS)
- Isatori, Inc. (IFIT)
- Checkpoint Systems Inc. (CKP)
- Ido Security Inc. (IDOI)
- Hawk Systems, Inc. (HWSY)
- Homeland Security Capital Corp (HOMS)
- Horne International, Inc. (HNIN)
- Global Security Agency Inc (GSAG)
- Guardian 8 Holdings (GRDH)
- Compx International Inc. (CIX)
- Electronic Control Security In (EKCS)
- American Science & Engineering Inc. (ASEI)
- Applied Visual Sciences, Inc. (APVS)
- Tyco International Ltd. (TYC)