Head Office :

SHAILENDRA BHATNAGAR
Mobile : 9899103355
D-1 C Block Community Center
NARAIANA VIHAR
NEW DEHI-110 028

Telefax : 25774414/4415/4416/1630
E-mail: aos_systems@yahoo.com

Regional Office :

Bangalore (S.L Sulakhe, General Manager)
503 westminster
13, Cunningham Road
Bangalore 560052
Telephone: 080-22380984, 22380668
Mobile 9845670782
E-mail: aos.bngl@gmail.com
Branch Offices :
Mumbai (Kamlesh Velandy, Manager)
A-101, Kalika Darshan
Baburao Parulekar Marg
Near Shardha Ashram
Dadar (west), Mumbai - 400028
Telphone: 022-65023550, 24313772
Fax: :022-24321902
Mob: 9223333319

Ahmedabad (Ashok Kaul)
Mobile : 9824384110
1009, Span trade Centre
Opp Kochrab Ashram
Ashram Road, Near Ellisbridge
Ahmedabad 360009
Telephone: 0
79-66054687, 65491453
E-mail: aos_ahmedabad@yahoo.com


Chennai 
A/2, Vijay Enclave, 29 Krishna Street
T.Nagar, Chennai 600017
Telephone: 044-24329265, 24348214
Mobile : 8015163025
E-mail: aos_chennai@yahoo.com

Secunderabad (Abinadab Samson)
D-226, Deepti House, Above UCO Bank
Sardar Patel Road, Secunderabad 500003
Telephone: 040-66320445,66320665
Mobile : 9246576393
E-mail: aos_secunderabad@yahoo.com

Hubli (Vinayak A.Sulakhe)
S-15, Eureka Centre
Koppikar road
Hubli 580020
Telephone: 0836-2269686

Pune 
Office No-2
Savitri Sadan, 565 Narayan Sadan
Pune 411030
Telephone: 020-65233188