Surjeet Singh

Part of Subex Ltd., Subex Technologies Ltd. is a telecom software services provider. The company is based in Bangalore, India and was founded in 2005.

Subex Americas, Inc. provides data integrity management services. The private company is based in Richmond Hill, Canada.

Subex (Asia Pacific) Pte Ltd provides software solutions for fraud management and revenue assurance in the telecommunications industry. The private company is based in Singapore, Singapore.

Subex, Inc. develops software for route optimization and cost analysis. The private company is based in Broomfield, CO.

Part of Subex Ltd., Subex (UK) Ltd. is a telecom analytics solution provider that offers Subex Asset & Inventory Assurance to help telcos identify loopholes in their supply chain process and take pre-emptive measures to address them. The company was founded in 2001 and is based in Middlesex, UK. The British company also provides Margin Assurance to maintain a bottom-line for telcos delivering a mix of service offerings enabled by a diverse ecosystem of partners. Subex is a pioneer in Digital Trust and a consultant to telecom carriers for business transformation.

iGATE Computer Systems Ltd. offers consulting, information technology, business process outsourcing, and product and engineering solutions. Its portfolio of information technology services include application development and management, verification and validation, enterprise application solutions, infrastructure management, customer interaction services, business process outsourcing, product and engineering solutions, business and technology consulting, business intelligence and data warehousing, and packaged software implementation. The company's IT-enabled services include business process outsourcing, transaction processing, and customer interaction services. It delivers information technology services through globally integrated onsite and offshore delivery locations primarily in India. The company serves the insurance and healthcare, manufacturing, retail and logistics, banking and financial services, communications and utilities, media and entertainment industries. iGATE Computer Systems was founded by Narendra Kumar Patni, Gajendra Kumar Patni and Ashok Kumar Patni on February 10, 1978 and is headquartered in Mumbai, India.