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“D”
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D/A Manufacturing Co., Inc. (TX) Daedal Division (PA) Daily Thermetrics Corp (TX)
Daisy Data, Inc. (PA) Daktronics, Inc. (SD) Dalanco Spry (NY) Daily Engineering Valve (PA) Danaher Controls (IL) Dancer Communications, Inc. (PA)
Danfoss Electronics, Inc. (IL) Danfoss Instrumentation Daniel Industries Inc (TX) Dantec Measurement Tech Inc (NJ) DAP Technologies Corp. (FL)
Dart Controls, Inc (IN) Dasibi Environmental Corp (CA) Dasytec USA, Inc. (NH) Data Display Products (CA) Data Electronics (CA) Data Instruments Inc (MA)
Data Translation (MA) Data-Linc Group (WA) Dataforth Corp. (AZ) DataNet Quality Systems (MI) Datapaq, Inc. (MA) Dataq Instruments, Inc. (OH)
Datarate Inc (CA) Datatest, Inc. (PA) Datatran Labs Inc (NJ) Data Views Corporation (MA) Datel, Inc. (MA) Davidson Optronics Inc (CA)
Davis Controls (ON) Daytronic Corporation (OH) DCT Instruments (OH) DEA Engineering Company (CA) Deeco-Lucas Control Systems (CA) Del Mar Scientific (TX)
Delavan Process Instrumentation (CT) Delphian Corporation (NJ) Delta C Technologies Inc (BC) Delta Computer Systems Inc. (WA) Delta Controls Corporation (LA)
Delta F Corporation (MA) Delta M Corporation (TN) Delta-T Company (CA) Deltrol Controls (WI) Deltron Inc (PA) Design Technology Corporation (MA)
Detcon, Inc. (TX) Detector Electronics Corp (MN) Devar Inc. (CT) Dewetron America, Inc. (RI) DeZurik Co (MN) DGH Corporation (NH)
DH Instruments Inc (AZ) Dia-Nielsen USA Inc (NJ) DIACOM Corporation (NH) Dickson (IL) Dieterich Standard, Inc. (CO) Dietz Henry G Company Inc (NY)
Digi-Star (WI) Digiflow Systems (OH) Digital Motor, Inc (OR) Digital Transport Systems (CA) Dionex Corporation (CA) Directed Perception, Inc. (CA)
DISC Software (CT) Divelbiss Corporation (OH) Diversified Case Co. Inc. (NY) DL Instruments LLC (NY) Dolch Computer Systems, Inc. (CA)
Donovan Micro-Tek Inc (CA) Doran Scales Inc (IL) Dorsey Gage Co Inc (NY) Dover Flexo Electronics (NH) DPL Information Services (NB) Draeger Safety, Inc. (PA)
Dragon Valves Inc (CA) Dranetz - BMI (NJ) Dresser Ind (HQ)-Inst Div (CT) Dresser Ind-Instrument Div (CT) Dresser Ind-Instrument Div (KY)
Dresser Ind-Instrument Div (CT) Drexelbrook Engineering Co (PA) Druck Incorporated (CT) DSP Development (MA) DuPont Dow Elastomers DE) Durag, Inc. (MN)
DuraSys Corporation (NH) Duro United Instruments (NY) DVT Corporation (GA) Dwyer Instruments, Inc. (IN) Dyer Company (PA) Dynamation Gas Detectors (MI)
Dynamic Fluid Measurement Inc. (TX) Dynamic Systems Inc (VA) Dynamics Research Corp (MA) Dynasonics Inc (IL) Dynatherm Analytical Instr Inc (PA)
DynaVision (BC) Dynetic Systems Corporation (MN) Dynisco Instruments (MA) Dytran Instruments Inc (CA)
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