Two Tucson, Ariz., Firms Are Among Nation's Fastest-Growing Companies.

Byline: Jonathan J. Higuera

Oct. 16--Two Tucson-based firms have been named to Inc magazine's list of the country's 500 fastest-growing private-sector companies.

The magazine's 2002 list, due out this week, includes ScriptSave, which administers a prescription-drug discount program, and Providence Service Corp., which handles outsourced government services work.

For the second consecutive year, ScriptSave made the list, ranking 110 this year, down from 93 in 2001. The 8-year-old company, which has about 120 employees here, experienced 1,653 percent revenue growth from 1997 to 2001, with revenues last year at $15.6 million. The list doesn't factor …