| Date | Grid | Clue | Author | Editor |
| Thu, Apr 18, 2019 | 42D | Its N.Y.S.E. ticker symbol is "X" | Alex Eaton-Salners | Shortz |
| Mon, Feb 25, 2019 | 14D | Pittsburgh-based N.Y.S.E. company | Peter Gordon | Shortz |
| Sat, Sep 15, 2018 | 5D | Company whose headquarters were built from its own product | David Liben-Nowell | Shortz |
| Tue, Mar 03, 2015 | 26D | Company that built the Unisphere for the 1964-65 New York World's Fair | Kristian House | Shortz |
| Sun, Apr 13, 2014 | 90D | Co. with the longtime stock symbol "X" | Dan Schoenholz | Shortz |
| Fri, Sep 04, 2009 | 14D | Pittsburgh giant | Joe Krozel | Shortz |
| Tue, Mar 24, 2009 | 21D | J. P. Morgan co. | Pancho Harrison | Shortz |
| Fri, Apr 04, 2008 | 15D | Largest tenant of Pittsburgh's tallest skyscraper | David Quarfoot | Shortz |
| Mon, Jul 23, 2007 | 4D | Andrew Carnegie corp. | Randall J. Hartman | Shortz |
| Sat, Nov 18, 2006 | 39D | Pittsburgh giant | Victor Fleming | Shortz |
| Sat, Sep 03, 2005 | 3D | Loser in a 1962 showdown with J.F.K. | Bob Peoples | Shortz |
| Sat, Feb 26, 2005 | 38D | Corp. headquartered in Pittsburgh | Jim Page | Shortz |
| Wed, Dec 30, 1998 | 19D | J. P. Morgan founded it | Manny Nosowsky | Shortz |