The grades of three Aerospace and Defense stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

Innovative Solutions and Support, Inc. (NASDAQ:ISSC) is making headway this week, with the company’s rating improving to an A (“strong buy”) from a B (“buy”) last week. Innovative Solutions and Support designs, manufactures, and sells flight information computers, electronic displays, and advanced monitoring systems to the military and government, commercial air transport, and corporate aviation markets. In Portfolio Grader’s specific subcategories of Margin Growth and Sales Growth, ISSC also gets A’s. For more information, get Portfolio Grader’s complete analysis of ISSC stock.

This week, Honeywell (NYSE:HON) is showing significant improvement as the company’s rating hops from a C (“hold”) to a B (“buy”). Honeywell International is a worldwide diversified technology and manufacturing company providing aerospace products and services, control, sensing and security technologies, turbochargers, automotive products, specialty chemicals, electronic and advanced materials, process technology for refining and petrochemicals, and energy efficient products and solutions. For more information, get Portfolio Grader’s complete analysis of HON stock.

This is a strong week for SIFCO Industries, Inc. (AMEX:SIF). The company’s rating climbs to B from the previous week’s C. SIFCO Industries is engaged in the production and sale of a variety of metalworking processes, services and products produced primarily to the specific design requirements of its customers. For more information, get Portfolio Grader’s complete analysis of SIF stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.