ISS was formed in Copenhagen in 1901.
It has grown to become one of the world's leading Facility Services companies.

ISS offers following services:

Facility Management
Cleaning Services
Security Services
Property Services
Catering Services
Support Services

As you have asked about the ISS Facility services contacts, see below for the information
Delhi:
011-40772400/08/09/011 26464636
011-4658 5376

Address: Hanuman Mandir, Opposite Tempo Stand,
Shankar Chowk Rd, Dundahera, Sector 20,
Gurgaon, Haryana 122001
Phone:099530 84349

ISS Facility Services India Pvt.Ltd
Registered & Corporate Office -
THE QUBE ,
B 401/404 & A 402
CTS No 1498 A/2 Village Marol
Sahar Road , Andheri East
Mumbai - 400059
Phone - +91 022 61041111 / +91 022 61041515
Fax -+91 022 6104 1000