Fortune Magazine named Oklahoma City's LSB Industries, Inc. to its annual list of 100 Fastest Growing Companies in its Aug. 31 issue, the company said Aug. 19.

LSB ranks 34th on the list.

"All of us at LSB Industries take pride in this accomplishment, especially since we made the cut during one of the most difficult economic periods in recent memory," Jack Golsen, LSB's Chairman & CEO, said. "We share this recognition with the dedicated 1,900 men and women who comprise the LSB team."

Qualifying companies:

Must trade on a major U.S. stock exchange Have a minimum market capitalization of $250 million on June 30, 2009 Have a stock price of at least $5 on June 30, 2009 Have been trading continuously since June 30, 2006 Have revenue and net income for the four quarters ended on or before April 30, 2009, of at least $50 million and $10 million, respectively Have posted a compound annual growth in revenue and earnings per share of at least 20 percent annually over the three years ended April 30, 2009

Those that make the initial cut are ranked by their revenue growth rate, their EPS growth rate and their three-year annualized total return to investors for the period ended June 30, 2009. The overall rank is based on the sum of the three ranks.