TSC Ratings provides exclusive stock, ETF and mutual fund recommendations using proprietary tools. Our "safety-first" approach aims to reduce risk while achieving performance on a total return basis.The following fast-growth companies are projected by analysts to increase revenue and profit by at least 12% in the coming year and receive "buy" ratings from TheStreet.com Ratings' proprietary quantitative model, which considers more than 60 factors. They are ordered by their potential to appreciate. Strayer Education ( STRA) is a for-profit post-secondary education company that offers a variety of academic programs through Strayer University. The numbers: Fiscal first-quarter revenue increased 28% to $125 million as net income jumped 24% to $29 million and earnings per share improved 26% to $2.07. Operating margin improved 162 basis points to 38% as net margin fell 89 basis points to 23%. Strayer has no debt and a quick ratio of 1.5, indicating an ideal financial position. The stock: Strayer has fallen 5% in 2009, outperforming the Dow Jones Industrial Average and underperforming the S&P 500. The stock is trading at a price-to-earnings ratio of 33. A 1% dividend yield sweetens the stock, but is below the S&P 500 average. National Presto Industries ( NPK) makes small appliances, and defense and absorbent products. The numbers: Fiscal first-quarter revenue increased 40% to $108 million as net income and earnings per share ascended 74% to $11 million and $1.58, respectively. Operating margin improved 307 basis points to 14% and net margin climbed 195 basis points to 10%. The company has no debt or interest expenses and abundant cash reserves, as reflected by a quick ratio of 3.6. The stock: National Presto is down 2% in 2009, outperforming the Dow and the S&P 500. The stock trades at a price-to-earnings ratio under 11 and offers a meager 1.3% dividend yield.