4 Construction & Engineering 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”).

This week, EMCOR Group, Inc. (EME) pushes up from a B to a A rating. EMCOR Group, Inc. is an electrical and mechanical construction and facilities services company that specializes in providing construction services relating to electrical and mechanical systems, engaging in the design, integration, installation, start-up, operation, and maintenance of various electrical and mechanical systems. The company also gets A’s in earnings surprise and free cash flow. For more information, get Portfolio Grader’s complete analysis of EME stock.

Granite Construction Incorporated (GVA) improves from a B to a A rating this week. Granite Construction Incorporated is a civil contractor in the United States. The company also gets A’s in operating margin growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of GVA stock.

NV5 Global Inc (NVEE) gets a higher grade this week, advancing from a C last week to a B. The company also gets A’s in sales growth. For more information, get Portfolio Grader’s complete analysis of NVEE stock.

This is a strong week for Sterling Construction Company, Inc. (STRL). The company’s rating climbs to A from the previous week’s B. Sterling Construction Company, Inc. conducts operations in construction and distribution. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of STRL 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.