The grades of 3 Oil Gas & Consumable Fuels stocks are better this week, according to the Portfolio Grader database. Every one of these stocks has an “A” (“strong buy”) or “B” overall (“buy”) rating.

Tesoro Corporation’s (TSO) ratings are looking better this week, moving up to a B from last week’s C. Tesoro Corporation is an independent company that refines crude oil, sells refined products in bulk and sells motor fuels on the retail market. The company also gets A’s in operating margin growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of TSO stock.

TransMontaigne Partners L.P. (TLP) shows solid improvement this week. The company’s rating rises from a B to a A. TransMontaigne Partners L.P. is a refined petroleum products terminaling and pipeline company with operations currently in Florida, Southwest Missouri and Northwest Arkansas. The company also gets A’s in earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of TLP stock.

This week, Holly Energy Partners, L.P.’s (HEP) ratings are up from a B last week to a A. Holly Energy Partners, L.P. operates a system of refined product pipelines and distribution terminals primarily in West Texas, New Mexico, Utah, and Arizona. The company also gets A’s in earnings growth, earnings revisions, and return on equity. For more information, get Portfolio Grader’s complete analysis of HEP 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.