| Company | Category | Area | Address | Web | E-mail | Contact person |
| Richard King Mellon Foundation | Banks | Pennsylvania | Rector Rd Rt 381, LIGONIER, Westmoreland, Pennsylvania, 15658, USA |
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Michael Watson |
| RICHARD KLAUS FINE CARPENTRY | Carpenters | Pennsylvania | 657 OLD WILMINGTON RD, COATESVILLE, Chester, Pennsylvania, 19320-1104, USA |
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Richard Klaus |
| RICHARD KLINERT OPTICAL | Opticians | Pennsylvania | 210 LOCH LOMOND RD, PHILIPSBURG, Centre, Pennsylvania, 16866-1930, USA |
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| RICHARD KOTCH AGENCY | Insurance | Pennsylvania | 293 EVANS CITY RD, BUTLER, Butler, Pennsylvania, 16001-2754, USA |
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Richard Kotch Jr |
| RICHARD KOTLER INC | Engineers | Pennsylvania | 10 BEVINGTON RD, PITTSBURGH, Allegheny, Pennsylvania, 15221-4410, USA |
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Richard Kotler |
| RICHARD KROLL TOTAL IMAGE | Beauty Salons | Pennsylvania | 1980 CATASAUQUA RD, ALLENTOWN, Lehigh, Pennsylvania, 18109-3100, USA |
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Richard Kroll Sr |
