- BEYOND OPTO-GLOBAL PTE LTD
- Address:Blk 463 Jurong West ST41
- Survey Instruments Services Pte ltd
- Address:No. 50 Palyfair Road, #08 01 Noel Building
- Lerisa Marketing&Trading
- Address:Blk 216 Choa Chu Kang Central #03-202
- Ogon Enterprise
- Address:220 Loyang Avenue
- Kodi Engineering Services Pte Ltd
- Address:No. 8, Kaki Bukit Road 2, Ruby Warehouse Complex
- Knight Vision Pte Ltd
- Address:20 AMK TechLink# 04-28
- Omnisense Systems Pte Ltd
- Address:621 Aljunied Rd #07-06 Singapore 389834
- C2 Telescopes
- Address:Blk 768 Woodlands Ave 6# 01-19
- C2 Binoculars Shop
- Address:Blk 768 Woodlands Ave 6# 01-19
- DSC INDUSTRIAL PTE. LTD.
- Address:Bukit Batok Industrial Park A
- Baltic Surveying PTE Ltd
- Address:
- SAMBISA PERIKSA
- Address:Robinson Road, # 09-09
- Global Survey INC
- Address:200 Cantonment Road
- New Speed Technology Pte Ltd
- Address:1, clementi loop, # 02-03
- Expandore Enterprise
- Address:705 Sims Drive #05-12A
- PT. SIGALAR UTANG
- Address:Jl. Central Medan Merdeka No. 122B
- Maxopto Optics Co.,Ltd
- Address:
- STAROPTICS SCIENTIFIC
- Address:Blk 690B Choa Chu Kang Crescent, # 21-94