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 to increase revenue and profits by at least 12% in the coming year and have received "buy" ratings from our 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: 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 to 38% as net margin fell 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 trades at a price-to-earnings ratio of 33 and offers a weak dividend yield of 1%. National Presto Industries ( NPK) makes small appliances, and defense and absorbent products. The numbers: 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 to 14% and net margin climbed 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 up 5% in 2009, outperforming the Dow and S&P 500. The stock trades at a price-to-earnings ratio of 11 and pays a meager 1.3% dividend.