| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z |
| A |
- Abbott Laboratories Capintec, Incorporated
- Acme International Cardolle Giulio and C.
- Adox Carr Corporation
- Aerojet General Nucleonics Cavitron Corporation
- Agfa Central Research Laboratory
- Alderson Research Laboratories Chattanooga Pharmacal Co., Inc.
- Allis-Chalmers Chenaille & Raulot-Lapointe
- Aloe Chirana
- American Diathermy Productions Chromalox
- American Sterilizer Clamann & Grahnert
- American Vacuum Company Clapp & Eastham
- American X-Ray Corporation Clapp, Otis & Son
- American X-Ray Equipment Corp. Clinical Specialties
- AMF Atomics Compagnie Generale De Radiologie
- Amperex Equip. Corp (Ampex) Consolidated Research Corporation
- Anderson, Norden, and Co. Continental X-Ray Corporation
- Ansco Controls for Radiation, Inc.
- Ash-Temple Company Cook Incorporated
- Associated Electrical Industries Cordis Corporation
- Astropower, Inc. Cummings X-Ray Company
- Atomic Development Corporation Curtis Nuclear Corporation
- Atomic Energy of Canada Cuthbert Andrews
- Atomic Products Corporation Cyclotron Corporaton
- Auer Dagra NV
- Aurora X-Ray Manufacturing Co. Dansk Rontgen-Teknik
- Automatic Seriograph Corporation Dazor Manufacturing Corporation
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| B |
- Babcock & Wilcox Company Dean, Alfred E.
- Baird Atomic Dean Products, Inc.
- Baker Electric Company Denby Company
- Baldwin Instrument Company, Ltd. Depilatron Incorporated
- Balteau Despatch Oven Company
- Bar-Ray Company Dick X-Ray Company
- Barazzetti-Italy Digital Equipment Corporation
- Bausch & Lomb Dunlee Corporation
- Beck-Lee Corporation Dupont
- Bendix-Friez Dutertre (?)
- Berkeley Scientific Company Eastman-Kodak Company
- Betz, Frank S., Company Edison Décor. & Mini. Lamp Depart .
- Biddle, James G., Company Ehrenreich Photo-Optical Indust., Inc.
- Birtcher Corporation El Dorado Mining & Refining Ltd.
- Blair X-Ray Incorporated Electro-Radiation Co.
- Borg, George W., Corporation Electrical Research Laboratories
- Borg-Warner Corporation L’Electroradiologie
- Bracke Seib X-Ray Company, Inc. Eon Corporation
- Brady, George W., and Company Elema
- Brattle Instrument Corporation Elema-Schonander
- Brown Boveri Corporation Empire Electric Company
- Brown-Forman Industries Emsco X-Ray Accessories Company
- Buck X-ograph Company Enco Manufacturing Company
- Bucky X-Ray International, Inc. Engeln Electric Company
|
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| C |
- Campbell Electric Company Enraf-Nonius, Inc.
- Canadian Metalix Company Ensco, Inc.
- Canadian Radium & Uranium Corp. Eureka X-Ray Tube Company
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| F |
- F-R Machine Works, Inc. Kaman Nuclear
- Fairchild Camera & Instrument Corp. Keleket Manufacturing Company
- Farnumed-Milano Kesselring X-ray Tube Company
- Faust Scientific Supply, Ltd. Kevex Corporation
- Feinmechanik-Optik Keystone Electric Company
- Ferrania Kincheloe, R. P. Company
- Ferranti Electronic Ltd. Kny-Scheerer Company
- Field Emission Corporation Koch & Sterzel
- Fischer, H. G. & Company Koenigkramer
- Fisher, Oscar Kramex Corporation
- Fisico-Medica Laakintasahlko Oy
- Folmer & Schwing Manufacturing Co. Landaver, R.S. Jr., & Company
- Forsyth X-Ray Corporation Landsverk Electrometer Company
- Franklin X-Ray Corporation Leishman X-Ray Engineering Corporation
- Frantini, Alfonso LFE (Laboratory for Electronics) Inc.
- Frieske & Hoepfner GMBH Liebel-Flarsheim Company
|
| A | B | C | D | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| G |
- Gaiffe-Gallot et Pilon Litton Medical Products
- Garcio-Iller LogEtronics
- Garretson Los Alamos Scientific Laboratory
- Gelman Instrument Company Macalaster-Wiggin Company
- General Atomic Division Machlett Laboratories, Inc.
- General Electric Madison Research, Inc.
- Generay Generale Radiologica Mallinckrodt Pharmaceuticals
- Gavaer Company of America, Inc. Mallinckrodt Nuclear
- Gilardoni Research Laboratories Marconi Instruments
- Glaxo Laboratories Mark-Time
- Gorla-Siama Marvex X-Ray Products
- Granger Massiot, G. & Company
- Guerbet, Andre Massiot-Philips
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| H |
- Halsey X-Ray Products, Inc. Mattern, F. Manufacturing Company
- Hanel, F. Walter McFedries X-Ray Company
- Hanovia Chemical & Mfg. Company McIntosh Battery & Optical Company
- Harris X-Ray Corporation Medi-Physics
- Harvey Dental Specialty Company Medical Data Systems Corporation
- Harshaw Chemical Company Medical Electronics Company
- Heinz Wandner X-Ray Tube Co. Medical Instruments, Inc.
- Hewlett-Packard Medical Nuclear Corporation
- High Tension Company Medicor Rontgen
- High Voltage Electric Company Mericoid Corporation
- High Voltage Engineering Company Metrix, Inc.
- Hitachi, Ltd. Metropolitian-Vickers Electrical Co.
- Hoescht Pharmacutical, Ltd. Meyer, William Company
- Hoffrel Instruments Incorporated Meyrowitz, E. B. Company
- Hofman, Fritz GMBH Micro Equipment Corporation
- Humphry’s Roentgen Company Midwest Glove Corporation
- Humphry’s X-Ray Corporation Monee Instrument Works
- Hunslet Engine Works Mueller, V. & Company
- Huppert, K. H. Company Muller, C.H.F.
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| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| I |
- Ilford Incorporated Nelson Scientific Instrument Co.
- Informatek States, Inc. Neutron Products, Inc.
- International X-Ray Corporation New England Nuclear
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| J |
- Jarnhs Elecktriska Aktiebolag Newton & Company
- Jordan Electronic Mfg. Co., Inc. North American Philips Company
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| N |
- Northern X-Ray Company Scholl, W. E. & Son
- Nuclear Associates, Inc. Scheidel-Western X-Ray Coil Co.
- Nuclear Chicago Schering
- Nuclear Consultants Corporation Schick X-Ray Company, Inc.
- Nuclear Data, Inc. Scholz
- Nuclear Enterprises, Ltd. Scholz, Frank X-Ray Corporation
- Nuclear Industries, Inc. Schonander
- Nuclear Research Corporation Schulmeister, Ludwig
- NUCOR (Nuclear Corp. of Amer.) Inc Scientific Associates, Inc.
- Nuclear Science & Engineering Corp. Scientific Equipment
- Numinco Instr. & Controls Corp. Searle Radiographics, Inc.
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| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| O |
- Oak Ridge National Laboratory Seifert, Richard & Company
- Oldelft Serend, Inc.
- Ohio-Nuclear, Inc. Shimadzu
- Omnimedical Services, Inc. Siemens
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| P |
- Packard Instrument Co. Inc. Siemens-Holske AG
- Pacific X-Ray Company Smith Rontgen
- Pako Corporation Smith Kline Instrument Company
- Parker-Davis & Company Snook Roentgen Manufacturing Co.
- Patterson Screen Company Societa Italiana Prodotti e Accesso…
- Peerless Laboratories, Inc. Sojuz Chimexport (?)
- Penberthy Instrucment Company Solus Electrical Company
- Pengelly X-Ray Company Spectotherm Corporation
- Pfizer Medical Systems, Inc. Spoleenost Pro Obchod Roentgen…
- Philips Squibb, E. R. & Sons
- Philips-Duphar Standard X-Ray Company
- Philips Metalix Corporation Stanford X-Ray Company
- Pheonix Stereo-Flouroscope Corporation
- Physicians Technical Equip. Co. Struthers Dunn, Inc.
- Picker Nuclear Instruments Sutten-Horsley Company, Ltd.
- Picker X-Ray Corporation Swett & Lewis Company
- Pike Laboratories Synchronous Manufacturing Co.
- Powers X-Ray Service T-E X-Ray Laboratory
- Precision Scientific Company Tanka X-Ray Unit
- Precision X-Ray Accessories Technical Development Inc.
- Pritchard Teledyne Intertechnique
- Professional Equipment Company Thorn House
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| Q |
- Queen & Company, Inc. 3m Company
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| R |
- Radex Corporation Times Facsimile Corporation
- Ramtek Corporation Toshiba Company
- Rangoni & Puricelli Tracer Laboratory Inc.
- Rapi-Dex Company Trantex Manufacturing Inc.
- Raytheon Manufacturing Company Ultima
- RCA Union Carbide Nuclear
- Reed-Curtis Nuclear Indust., Inc. Universal X-Ray Products Inc.
- Rieber Laboratories U.S. Nuclear
- Ritter Company, Inc. Varian Associates
- Robertshaw Thermostat Division VEB Vakutronik
- Rode Laboratories Vickers
- Roentgen Ray Products Victor X-Ray Corporation
- Rorix Victoreen Instrument Company
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| S |
- Sanitas Videx Product Company
- Sanyei Manufacturing Co. Volle Radiochemical Company
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| W |
- Wagner Manufacturing Company
- Waile & Bartlett Manufacturing Co.
- Wandner & Son X-Ray Tube Co.
- Wappler Electric Company
- Watson & Son (Electro-Medical) Ltd.
- Watson Victor, Ltd.
- Weber Dental Manufacturing Co.
- Westinghouse X-Ray Company
- White SS
- Williams, Brown & Earle
- Willyoung & Gibsen Company
- Wilmot Castle Company
- Winthrop Laboratories
- Wolf X-Ray Products, Inc.
|
| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| X |
- Xerox Corporation
- Xonies, Inc.
- X-Ray Industries, Inc.
- X-Ray Mfg Corporation of America
- X-Ray Tube Company, Inc.
- X Scope Corporation
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| A | B | C | F | G | H | I | J | N | O | P | Q | R | S | W | X | Z | TOP |
| Z |
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