Yes, they have. Through the 2011 season, the San Diego Chargers have an all-time regular season record of 6-21 against the Steelers. The Chargers are 2-1 versus the Steelers in postseason meetings.
The Steelers played 39 games in Pittsburgh versus the Philadelphia Eagles. They have a home record of 18-21.
the Pittsburgh steelers
The Steelers have a 5-7 record, including playoffs, against the Denver Broncos in Pittsburgh.
Including the playoffs, Tom Brady has a 6-2 all-time record versus the Pittsburgh Steelers.
The Pittsburgh Steelers have a 3-0 record versus the Baltimore Ravens in the postseason.
Through 2011, the Washington Redskins all time record versus the Pittsburgh Steelers is 42-34-3.
The Cleveland Browns have an all-time regular season record of 57-62 versus the Pittsburgh Steelers. The Browns also have an 0-2 postseason record against the Steelers.
From 2002 through 2012, the Oakland Raiders have a 4-3 record versus the Steelers.
3-0, including Super Bowl XXX.
The series is tied 15-15. Regular season record : Dallas -14 Pittsburgh -13 and Postseason record: Pittsburgh -2 Dallas - 1
The Steelers have an all-time regular season record of 9-10 versus the San Francisco 49ers.