| Ohio Bio Energy Inc (Mount Vernon, OH)
|
| Omega Engineering Inc (Stamford, CT)
|
| Omexell Inc & Omexgroup Ltd (Houston, TX)
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| Pacific Air Balance Inc (Carson, CA)
|
| Pacific Energy Resources (Long Beach, CA)
|
| Parameter Generation & Control (Black Mountain, NC)
|
| Phoenix Power Control Inc (Monroe, WA)
|
| Phytotronics Inc (Earth City, MO)
|
| Plug Power Inc (Anna, OH)
|
| Powertronic Systems Inc (New Orleans, LA)
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| Pritchett Controls (Beltsville, MD)
|
| Pro Regulator Svc (Belle Chasse, LA)
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| Pro Systems (Plainfield, CT)
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| Process Instruments & Valves (Livonia, MI)
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| Process Solutions Inc (Saint Louis, MO)
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| Promag Limited (Baton Rouge, LA)
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| Propulsion Controls Co (Kansas City, MO)
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| Pro-Tech Engineering (Akron, OH)
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| Pyrocom Co (Lynnwood, WA)
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| Qics (Portsmouth, RI)
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| Radiametrics (Lorain, OH)
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| Repco Replacement Parts Inc (Fort Worth, TX)
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| Riley & Assoc Inc (Columbus, OH)
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| Robert Shaw Controls Co (Long Beach, CA)
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| Robertshaw Controls Co (Laredo, TX)
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