| Harold's Vibration Control (Enid, OK)
|
| Hart Scientific Inc (American Fork, UT)
|
| Hascall-Denke (Palmetto, FL)
|
| Hawk Instruments (Canyon Country, CA)
|
| Hepfer Machine (Bellefonte, PA)
|
| Herman H Sticht Co (Brooklyn, NY)
|
| Hew Communications Inc (Keene, NH)
|
| Hickok Inc (Cleveland, OH)
|
| Hid Corp (Denver, CO)
|
| High Precision Devices Inc (Boulder, CO)
|
| High Precision Graphics (Springboro, OH)
|
| High Tech Inc (Gulfport, MS)
|
| Hitec Products Inc (Ayer, MA)
|
| Hi-Tech Ignition Interlock (Las Vegas, NM)
|
| Hmc Int'L Div Inc (Littleton, CO)
|
| Holloway Shunts (Edna, TX)
|
| Holographic Studios (New York, NY)
|
| Honeywell (Evansville, IN)
|
| Horiba Automotive Test Systems (Troy, MI)
|
| Horizon Measurements Inc (San Bernardino, CA)
|
| Hosica Laboratories Inc (Edison, NJ)
|
| Hoyt Electric Instrument Works (Concord, NH)
|
| Hughes Supply Inc (Orlando, FL)
|
| Hykon Manufacturing Co (Alliance, OH)
|
| Hypres Inc (Elmsford, NY)
|
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