| P H Tool Co (Des Plaines, IL)
|
| P S Analytical Inc (Deerfield Beach, FL)
|
| Pac Lp (Houston, TX)
|
| Pacific Instruments (Concord, CA)
|
| Pacific Precision Labs Inc (Chatsworth, CA)
|
| Palmeri Electronics (Garfield, NJ)
|
| Pamark Co (Grand Rapids, MI)
|
| Panalarm (Skokie, IL)
|
| Panel Builders Plus Inc (Columbus, NE)
|
| Paper thermometer Co (Greenfield, NH)
|
| Paramount Controls Corp (Hyde Park, MA)
|
| Parco Scientific Co (Vienna, OH)
|
| Parker & Foster Div (Overland Park, KS)
|
| Parnel Biogas (Tulsa, OK)
|
| Paroscientific Inc (Redmond, WA)
|
| Parvus Corp (Salt Lake City, UT)
|
| Pasco Scientific (Roseville, CA)
|
| Pendola Diagnostic Svc Inc (Brooklyn, NY)
|
| Penn Anderson Equipment Co (Oakmont, PA)
|
| Perey Turnstiles (Bridgeport, CT)
|
| Perfectest Corp (Bothell, WA)
|
| Perkin Elmer Inc (Waltham, MA)
|
| Petrotech Inc (Saint Rose, LA)
|
| Pettit Applied Technologies (Gaithersburg, MD)
|
| Phase Dynamics Inc Intl (Richardson, TX)
|
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