3 Energy Equipment & Services stocks are moving up in their overall rating this week, according to the Portfolio Grader database. Every one of these is graded an “A” (“strong buy”) or “B” overall (“buy”).

Patterson-UTI Energy, Inc. (PTEN) earns a B this week, jumping up from last week’s grade of C. Patterson-UTI Energy, Inc. provides land-based drilling services to major and independent oil and natural gas companies. For more information, get Portfolio Grader’s complete analysis of PTEN stock.

The rating of Forum Energy Technologies, Inc. (FET) moves up this week, rising from a C to a B. Forum Energy Technologies, Inc. is a global oilfield products company, serving the subsea, drilling, completion, production and process sectors of the oil and natural gas industry. The company also gets A’s in earnings revisions and earnings surprise. For more information, get Portfolio Grader’s complete analysis of FET stock.

Pioneer Energy Services Corp. (PES) is seeing ratings go up from a C last week to a B this week. Pioneer Energy Services Corp. provides land contract drilling services and production services to independent and major oil and gas exploration and production companies in the United States and Colombia. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of PES 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.