The grades of five Tech Services stocks are on the rise this week on Portfolio Grader. Each of these stocks is rated an “A” (“strong buy”) or “B” overall (“buy”).

This week, iGATE Computer Systems Ltd ADR (NYSE:PTI) is making solid headway. The company’s rating improves to an A (“strong buy”) from last week’s B (“buy”) rating. Patni Computer Systems develops software and provides information technology services and business solutions. In Portfolio Grader’s specific subcategory of Cash Flow, PTI also gets an A. For more information, get Portfolio Grader’s complete analysis of PTI stock.

ADP (NASDAQ:ADP) is making progress this week as its rating of C (“hold”) from last week increases to a B (“buy”) rating this week. Automatic Data Processing provides its clients with business solutions related to such issues as payroll, tax and benefits. For more information, get Portfolio Grader’s complete analysis of ADP stock.

This is a strong week for Syntel (NASDAQ:SYNT). The company’s rating climbs to B from the previous week’s C. Syntel provides strategic Information Technology/Business Process Outsourcing solutions to Global 2000 companies. For more information, get Portfolio Grader’s complete analysis of SYNT stock.

This week, Computer Sciences (NYSE:CSC) pushes up from a B to an A rating. Computer Sciences offers services to clients in the commercial and government markets. For more information, get Portfolio Grader’s complete analysis of CSC stock.

Cass Information Systems (NASDAQ:CASS) is seeing ratings go up from a C last week to a B this week. Cass Information Systems provides manufacturing, distribution, and retail enterprises to payment and information processing services. For more information, get Portfolio Grader’s complete analysis of CASS 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.