The grades of 7 Health Care Providers & Services 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.

Express Scripts Holding Company (ESRX) earns a B this week, jumping up from last week’s grade of C. Express Scripts Holding Company is a full service pharmacy benefit management and specialty managed care company serving clients throughout North America. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of ESRX stock.

This is a strong week for Health Net, Inc. (HNT). The company’s rating climbs to A from the previous week’s B. Health Net, Inc. offers managed health care benefits and products. The company also gets A’s in earnings momentum. For more information, get Portfolio Grader’s complete analysis of HNT stock.

Diplomat Pharmacy, Inc. (DPLO) gets a higher grade this week, advancing from a B last week to a A. The company also gets A’s in sales growth, earnings growth, earnings revisions, and earnings surprise. For more information, get Portfolio Grader’s complete analysis of DPLO stock.

The rating of Landauer, Inc. (LDR) moves up this week, rising from a C to a B. Landauer, Inc. supplies personnel radiation monitoring services. The company also gets A’s in earnings momentum and return on equity. For more information, get Portfolio Grader’s complete analysis of LDR stock.

This week, HealthEquity Inc (HQY) pushes up from a C to a B rating. The company also gets A’s in sales growth, operating margin growth, and earnings revisions. For more information, get Portfolio Grader’s complete analysis of HQY stock.

Addus HomeCare Corporation’s (ADUS) ratings are looking better this week, moving up to a B from last week’s C. Addus HomeCare Corporation provides a range of social and medical services to individuals in the home. The company also gets A’s in free cash flow. For more information, get Portfolio Grader’s complete analysis of ADUS stock.

Diversicare Healthcare Services, Inc. (DVCR) improves from a C to a B rating this week. Diversicare Healthcare Services, Inc. operates nursing homes and retirement centers in the southeastern United States and in Canada. The company also gets A’s in earnings growth, return on equity, and free cash flow. For more information, get Portfolio Grader’s complete analysis of DVCR 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.