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1988 IHS makes three million feet of microfilm.
1990 A new world headquarters opens in Colorado.
Eighteen months later, in September 1991, IHS sold Predicasts Inc., a Cleveland-based supplier of business periodical databases, to Ziff Communications.
Among a handful of other acquisitions in 1993, IHS bought Newton, Massachusetts-based Cahners Technical Information Service (CTIS) from Reed Publishing (USA) Inc.
IHS Group sales were about $257 million in 1995.
Several of the company's databases were combined into the web-based Engineering Resource Center in 1997.
1998 Microfilm production ends.
In November 2000, the company sold West Group its environmental and human resources businesses while its financial division was acquired by Wolters Kluwer a couple of months later.
The company formed a joint venture in 2000 to publish standards for the British Standards Institution.
Robert R. Carpenter, a technology services industry veteran, became IHS Group CEO in February 2001.
Founded in 2001, IHS Towers is one of the largest independent owners, operators and developers of shared communications infrastructure in the world.
IHS spent more than $70 million on other acquisitions in 2004, including two parts information specialists, Houston's Intermat Inc., and Virginia Beach's USA Information Systems Inc.
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