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

Team Inc. (NYSE:TISI) is bettering its rating of C (“hold”) from last week to a B (“buy”) this week. Team is a provider of specialty maintenance and construction services required in maintaining high temperature and high pressure piping systems and vessels that are utilized in the refining, petrochemical, power, pipeline, and other heavy industries. In Portfolio Grader’s specific subcategory of Sales Growth, TISI also gets an A. The stock price has risen 10% over the past month, better than the 4.2% increase the S&P 500 has seen over the same period of time. For more information, get Portfolio Grader’s complete analysis of TISI stock.

This week, Deluxe (NYSE:DLX) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. Deluxe provides small businesses and financial institutions with personalized printed items, promotional products, and merchandising materials; web hosting and other web services; fraud prevention and marketing services; and financial institution customer loyalty and retention programs. Investors have pushed the stock price up 10% over the past month. For more information, get Portfolio Grader’s complete analysis of DLX stock.

Mine Safety Appliances (NYSE:MSA) earns a B this week, jumping up from last week’s grade of C. Mine Safety Appliances develops, makes, and supplies products that protect people’s health and safety. Wall Street has pushed the stock higher by 10.8% over the past month. For more information, get Portfolio Grader’s complete analysis of MSA 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.