11.  Medtronic expects to get U.S. approval for its stent later this month, and three other companies hope to introduce theirs in the next year.

12.  That value will be determined by the likely auction of another DARS license that three other companies are vying for.

13.  The FCC has two to allocate, and three other companies have also applied for the second license, which is expected to be auctioned.

14.  There are three other companies with enough money to do substantial development work on new types of rockets, and their approaches are all very different.

15.  There are only three such companies, Staples, Office Depot and OfficeMax Inc. Staples and Office Depot insist they get competition from any store that sells office supplies.

16.  Three other companies quickly expressed interest in The Chronicle and said they would be willing to take the other two papers just to get it.

17.  Three other companies sell only to members of associations.

18.  Three other companies -- Radius, Pioneer Electronic and DayStar Digital -- also have announced plans to make Mac clones, and others will soon follow.

19.  Three other companies sell medigap insurance only to members of particular organizations.

20.  Three such companies are www.cyberalert.com, www.ewatch.com and www.webclipping.com.