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OKORO, JOHN D
Texas (Missouri City) - Combination of Environmental & Refrigeration Class B
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ORTIZ, KENNETH L
Texas (Needville) - Combination of Environmental & Refrigeration Class B
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O'BRIEN, ROGER A
Texas (New Braunfels) - Combination of Environmental & Refrigeration Class B
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O BRIEN, DOUGLAS HAROLD
Texas (New Braunfels) - Combination of Environmental & Refrigeration Class B
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OSBORN, RANDALL KEITH
Texas (North Richland Hills) - Combination of Environmental & Refrigeration Class B
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OPASKEY, FREDERICK STEPHEN
Texas (Saint Jo) - Combination of Environmental & Refrigeration Class B
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OCHOA, LORENZO
Texas (San Benito) - Combination of Environmental & Refrigeration Class B
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OWEN, ROBERT
Texas (Seguin) - Combination of Environmental & Refrigeration Class B
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OFFER, DENNIS
Texas (Seguin) - Combination of Environmental & Refrigeration Class B
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OLSON, KEVIN D
Texas (Austin) - Environmental Air Conditioning Class A
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OSGOOD, CHARLES D
Texas (Austin) - Environmental Air Conditioning Class A
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OSBURN, MICHAEL RAY
Texas (Austin) - Environmental Air Conditioning Class A
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ORR, SHANE LEE
Texas (Borger) - Environmental Air Conditioning Class A
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ORDAZ, MARCO A SR
Texas (Bryan) - Environmental Air Conditioning Class A
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OLDS, TRACY DWIGHT
Texas (Conroe) - Environmental Air Conditioning Class A
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OHLEN, ROGER KEITH
Texas (Coppell) - Environmental Air Conditioning Class A
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OZUNA, JASON
Texas (Dallas) - Environmental Air Conditioning Class A
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OXNER, CHARLES D
Texas (Dallas) - Environmental Air Conditioning Class A
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OROPEZA, JESUS
Texas (Del Rio) - Environmental Air Conditioning Class A
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ORTIZ, GONZALO O
Texas (Del Valle) - Environmental Air Conditioning Class A
Active