Kolkata, West Bengal
Societies
- Nucleo CHS LtdDormant
- Nucon Enggrs Co-operative Society LtdDormant
- Nulook CHS LtdDormant
- Nulook Co-operative Housing Society LimitedFunctional
- Number 3 Chatterjee Colony CHS LtdDormant
- Nutanpara Cons. Co-operative Stores LtdDormant
- Nutech Co-operative Housing Society LimitedFunctional
- O. F Board Co-operative Credit Society LtdFunctional
- Oakwood Co-operative Housing Society LimitedFunctional
- Observance CHSFunctional
- Octagon Co-operative Housing Society LimitedFunctional
- Octagon Spectra Co-operative Housing Society LimitedFunctional
- Octagon Villas Co-operative Housing Society LimitedFunctional
- Octagonal Co-operative Housing Society LimitedFunctional
- Octane Co-operative Housing Society LimitedFunctional
- Octarvilla CHSFunctional
- Octave Co-operative Housing Society LimitedFunctional
- Octavious Steel Factory CCS LtdDormant
- Octo Point Co-operative Housing Society LimitedFunctional
- Octo Vious CHSDormant
- Officers CHSFunctional
- Officers Enclave Co-operative Housing Society LimitedFunctional
- Offishare CHSFunctional
- Oihik Cmda Emp. CHSFunctional
- Oikantik CHSFunctional
- Oikatan Co-operative Housing Society LtdDormant
- Oil India Employee Co-operative Housing Society LimitedFunctional
- Oil India Ltd Eccs LtdFunctional
- Oil Nest CHSDormant
- Oishani CHSFunctional
- Oishani Co-operative Housing Society LimitedFunctional
- Oishi Co-operative Housing Society LimitedFunctional
- Okasha Co-operative Housing Society LimitedFunctional
- Olcote House Building Co-operative Society LtdFunctional
- Old Friends Housing Co-operative Society LimitedFunctional
- Olive Green CHSFunctional
- Olivia CHSFunctional
- Olivia Co-operative Housing Society LimitedFunctional
- Olympian CCS LtdDormant
- Om Araham Co-operative Housing Society LimitedFunctional
- Om Arihant Nivas Co-operative Housing Society LimitedFunctional
- Om Chartered Co-operative Housing Society LimitedFunctional
- Om Co-operative Housing Society LimitedFunctional
- Om Krishna Co-operative Housing Society LimitedFunctional
- Om Namah Shivaya CHSDormant
- Om Sagun Co-operative Housing Society LimitedFunctional
- Om Shanti Co-operative Housing Society LimitedFunctional
- Omar CMW & Sa Emp. CHSFunctional
- Omkar Co-operative Housing Society LimitedFunctional
- Omkar Co-operative Housing Society LtdFunctional