A. C. Narang

Xalted Information Systems Pvt Ltd. offers online billing and fraud detection solutions to the telecom industries. Its solutions include big data analytics and communication service providers. The company is headquartered in Mumbai, India.

Xalted is a leading solutions provider engaged in OSS/BSS, Telecom Security and Managed Services. A fast-growing company, Xalted has a proven track record of successfully managing increasing network complexities and reducing costs for leading telcos and communication service providers worldwide. Despite a competitive business environment, communication service providers can maximize revenues with its scalable and integrated solutions. With Xalted’s solution offerings, your legacy systems can coexist with new generation systems and benefit from markedly reduced CAPEX without compromise on service quality standards.

Essex Corp., a subsidiary of Northrop Grumman's Mission Systems sector, is a provider of signal processing services and products and optoelectronic imaging for government intelligent and defense customers. The company was founded in 1969 and is headquartered in Columbia, MD.

Part of AT&T, Inc., Vanguard Cellular Systems, Inc. owns, operates and constructs wireless cellular telephone systems. The company is based in Greensboro, NC. The company was founded by Chuck Timothy Hagel. The CEO is Haynes G. Griffin. Vanguard Cellular Systems was acquired by AT&T Corp. /Old/ on May 03, 1999 for $999.96 million.