This week, three distributors stocks are improving their overall rating on Portfolio Grader. Each of these rates an “A” (“strong buy”) or “B” overall (“buy”).

Edgen Group Inc. Class A (EDG) ups its rating to a B (“buy”) this week after earning a C (“hold”) in the week before. Edgen Group is a holding company which distributes specialty products to the energy sector. In Portfolio Grader’s specific subcategory of Equity, EDG also gets an A. For more information, get Portfolio Grader’s complete analysis of EDG stock.

Aircastle Limited (AYR) shows solid improvement this week. The company’s rating rises from a C to a B. Aircastle is engaged in acquiring, leasing, and selling commercial jet aircrafts to passenger and cargo airlines throughout the world. For more information, get Portfolio Grader’s complete analysis of AYR stock.

United Rentals, Inc.’s (URI) ratings are looking better this week, moving up to a B from last week’s C. United Rentals is an equipment rental company that serves construction and industrial companies, manufacturers, utilities, municipalities, homeowners, and government entities. For more information, get Portfolio Grader’s complete analysis of URI 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.