RIM, that mainstay of business will likely talk about building communities, blogs and activities in a secure network or for external networks, in partnership with IBM.

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Such frustrations nudged Lieber toward silicon, the mainstay of the computer-chip business.

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That kind of premium business is what a mainstay of the old printing industry--Heidelberger Druckmaschinen, a low-profile, 152-year-old German press manufacturer--is after.

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Iron ore is its mainstay, and the iron-ore business is all just-in-time logistics.

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And in China, the company plans to boost its chicken production business -- a CP mainstay -- to seven million birds this year.

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Business Development Companies (BDCs) were a mainstay of the income and yield crowd in the 2002-2007 period.

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