This week, 5 Trading Companies & Distributors stocks are improving their overall ratings on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This week, MSC Industrial Direct Co., Inc. Class A’s (MSM) ratings are up from a C last week to a B. MSC Industrial Direct Co., Inc. Class A is a direct marketer and supplier of a broad range of metalworking and maintenance and repair supplies. The company also gets A’s in return on equity. For more information, get Portfolio Grader’s complete analysis of MSM stock.

Willis Lease Finance Corporation (WLFC) improves from a C to a B rating this week. Willis Lease Finance Corporation leases commercial aircraft engines and other aircraft-related equipment to air carriers, manufacturers, and overhaul/repair facilities worldwide. The company also gets A’s in sales growth, earnings growth, and earnings momentum. For more information, get Portfolio Grader’s complete analysis of WLFC stock.

This is a strong week for Titan Machinery Inc. (TITN). The company’s rating climbs to B from the previous week’s C. Titan Machinery Inc. owns and operates networks of full service agricultural and construction equipment stores. The company also gets A’s in earnings growth and earnings momentum. For more information, get Portfolio Grader’s complete analysis of TITN stock.

Transcat, Inc. (TRNS) is seeing ratings go up from a C last week to a B this week. Transcat, Inc. is a global distributor of professional grade handheld test and measurement instruments and accredited provider of calibration, repair and weighing system services. For more information, get Portfolio Grader’s complete analysis of TRNS stock.

Huttig Building Products, Inc. (HBP) earns a A this week, jumping up from last week’s grade of B. Huttig Building Products, Inc. is a biopharmaceutical company specializing in the field of cancer therapy. The company also gets A’s in operating margin growth, earnings growth, earnings momentum, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of HBP 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.