| S & B Controls | | S & C Electric | | S & D | | S & P | | S & S Electric | | S.A.C.M. | | S.A.I.C. | | S.A.M.E. | | S.A.M.P. | | S.A.S. Fluid Power | | S.B.C. Motovariatori | | S.C.E. Elettronica | | S.E.D. | | S.E.G. | | S.E.I. | | S.E.S. | | S.G.T.M. | | S.H.P. | | S.I. Handling | | S.I.C.E. | | S.I.C.M.E. | | S.I.G. | | S.I.I.G. | | S.I.S.E. | | S.J. Controls | | S.M.G. | | S.M.W. Systems | | Saacke | | Sab-Nife | | Sabina | | Sacmi | | Sael | | Saf Drive Systems | | Safe Power Systems | | Safeline | | Safeline/Lambda | | Safematic | | Safetran | | Safi | | Saft-Knife | | Saftronics | | Sagitta | | Sahara Air Products | | Sahm | | Saia | | Saias | | Salco | | Salem Equipment Inc. | | Salient Electronics | | Salora | | Salvagnini | | Sam Dick Industries | | Samco | | Sameca | | Sampo | | Samsomatic | | Samsung | | Samtec | | Samtron | | Sangiacomo | | Sanken Electric | | Sanki | | Sankyo | | Sanmina | | Sanovo | | Sanrex | | Sansei | | Santerno Elettronica | | Sanyo | | Sanyo Denki | | Sanyo-Nec | | Sapal | | Sarasota Automation | | Sarasota Engineering | | Sarcem | | Sargon Industries | | Sarnafil | | Sarnell | | Sartorius | | Sas | | Sasib | | Sat | | Satake | | Satec | | Satmoiraghi | | Sato | | Satt Control | | Satt Electronics | | Sauer-Sundstrand | | Saurer | | Sauter | | Savio | | Saxon | | Sbc | | Sbe Inc. | | Scale-Tronix | | Scan-Core | | Scanco | | Scandialogic | | Scanning Devices | | Scanpro | | Scanray | | Scanvaegt | | Schad Sintec | | Schaevitz | | Schaffner | | Scharer | | Schaudt | | Scheer | | Schellenberg | | Schelling | | Schember | | Schenck | | Schiapparelli | | Schiele | | Schjeldahl | | Schlafhorst | | Schleicher | | Schlumberger | | Schmersal | | Schmitt | | Schneider | | Schneider Metal Mfg. | | Schneider-Werk | | Schon Electronic | | Schott | | Schrieber | | Schroeder Brothers | | Schroff | | Schubert | | Schubert & Salzer | | Schulz | | Schumacher | | Schunk | | Schurman | | Schweiter | | Sci | | Sciaky | | Scientific Columbus | | Scientific Solutions | | Scj Associates | | Scoa Systems | | Scofima | | Scomar | | Scope Inc. | | Scot Inc. | | Scotsman Ice Systems | | Scott | | Scottman | | Scr Controls | | Screen | | Scs Products | | Sea | | Seac Engineering | | Seagar | | Seagate | | Seal-A-Tron | | Sealevel Systems | | Seatec | | Sebra | | Secap | | Seco | | Secoa | | Secon | | Secrest Machine Corp | | Seekirk | | Sei | | Seiberco Inc. | | Seidel | | Seik0-Aaf | | Seiki | | Seiscor | | Seiwa | | Selas | | Selcom | | Selec | | Select Controls | | Select Engineered | | Selectic | | Selectron | | Selectronix | | Selema | | Selenia | | Seltec | | Selti | | Sem | | Semco | | Semiconductor | | Semifusion Corp. | | Semipower Systems | | Semitool | | Sen | | Sencon | | Sencore | | Seneca | | Sennett Control Co. | | Sensall | | Sense | | Sensi-Tronics | | Sension Ltd. |
| | Sensor | | Sensor Engineering | | Sensoray | | Sensortech Systems | | Sensortronics | | Sensotec | | Sensym | | Sentech | | Sentinel | | Sentrol | | Sentry-Lite | | Sepco | | Sepi | | Seq | | Sequential | | Sequoia-Turner | | Ser Elektronik | | Serac | | Seram | | Serel | | Serra Soldadura | | Servo Dynamics | | Servo Motors Inc. | | Servo Products | | Servo-Tek | | Servomac | | Servomex | | Servosystem | | Setra | | Sevcon | | Seveco | | Sever | | Sew-Eurodrive | | Sge Lovato | | Shaban | | Shapelectronics | | Sharmilles | | Sharnoa Electronics | | Sharon | | Sharp | | Sheet Metal Automat. | | Sheller-Globe | | Sheridan Systems | | Sherman Treaters | | Sherrex Systems Ltd. | | Shibaura | | Shima Seiki | | Shimaden | | Shimadzu | | Shimpo | | Shin Nippon Koki Co. | | Shinano Kenshi | | Shindengen | | Shinko | | Shoketsu | | Shortridge Inst | | Shugart | | Shumag | | Shure Brothers Inc. | | Shuttle | | Si-Lodec | | Si-Metric | | Sick | | Sicovend | | Sie | | Sieb & Meyer | | Siebe | | Siecor | | Sieger | | Siei | | Sielco | | Siemens | | Siemens-Allis | | Sienko | | Sierra Instruments | | Sierra Power Systems | | Sierracin | | Sigma | | Signal Crafters | | Signet | | Signet Scientific | | Signetics | | Signode | | Siko | | Sikora | | Silcon | | Silicon Micro | | Silicon Valley Group | | Silk City | | Silmar | | Silver Beauty | | Sima | | Simco | | Simco/Ramic | | Simmons Engineering | | Simon | | Simplatron Systems | | Simplex | | Simpson | | Simu | | Sinano | | Singer | | Singer Ho-Hsing | | Singleton Corp | | Sinico | | Sip | | Sipro | | Sirco | | Siruba | | Sistel | | Sistig Corp. | | Sisu | | Sitel | | Sitma | | Sitour | | Sitra Automazione | | Sitte | | Sjd | | Sk Mustang | | Skako | | Skaltek Electronic | | Skan-A-Matic | | Skf | | Skynet Electronic | | Slaughter | | Slautterback | | Slb | | Sli | | Sli Industries | | Slicer | | Slicing Specialist | | Slicker | | Sls | | Sluiter | | Smac | | Small Power | | Small Systems | | Smalley | | Smart Process | | Smartco | | Smc | | Smi | | Smile | | Smis Ltd. | | Smith Geosource | | Smith Meter Inc. | | Smith Rpm Corp. | | Smith-Keighley | | Sms | | Smt | | Smyth Europea Ind. | | Snc | | Snt Electronic | | Soar Corporation | | Socapel | | Soewer | | Softrol Systems | | Sola Electric | | Solar | | Solarex | | Solartron | | Soleq Corporation | | Solid Flow Controls | | Solidsflow | | Solitech | | Sollich | | Solna | | Solo Products | | Soltec | | Soltec-Primeline | | Somerset | | Somet | | Sona-Trol | | Sondenverstarker | | Sonic Control Inc. | | Sonicor | | Sonics & Materials | | Sonobond | | Sony | | Sopelem | | Soprel | | Sor | | Soren T. Lyngso | | Sorensen | | Sort-A-Weigh Systems | | Sortex | | Sortex-Scancore | | Sorvall | | Sotcher | | Soudronic | | Source Electronics | | South Bend Lathe | | Southcon | | Southern Vehicle | | Southport | | Southwell Controls | | Southwestern Battery | | Southwestern Ind. | | Southwire | | Spang |
| | Spangler | | Sparc Systems Ltd. | | Sparks | | Sparling | | Sparton Southwest | | Spath | | Spaulding | | Special Timer Corp. | | Special Video | | Specter Instruments | | Spectra Controls | | Spectra-Physics | | Spectro | | Spectrol Electronics | | Spectronics | | Spectrum Controls | | Spectrum Systems | | Speedcall | | Speedee Packaging | | Speedy Die Inc. | | Spellman | | Sperottorimar | | Sperry | | Spindel | | Spinlab | | Spm Instrument | | Sponsler Company | | Sporlan | | Spp | | Spra-Rite Inc. | | Spraymation | | Spreading Machine | | Sprecher & Schuh | | Sprint Electric | | Sprout-Matador | | Square D | | Src Electronics | | Ssb | | Ssd | | Sst | | St. Regis | | Sta-Hi | | Stabylex | | Stack Electronics | | Staco | | Staefa Control Sys. | | Stahl | | Stahlkontor | | Stahlprodukter | | Stal-Laval | | Staley Machinery | | Standard Havens | | Standard Microsystem | | Standard Power | | Standard Register | | Standun | | Stanford | | Stanley | | Star | | Star Automation | | Star Gate | | Star Headlight | | Star Micronics | | Star Parts Co. | | Star Seiki | | Starlinger & Co | | Starrag | | Startco Engineering | | Static Control Sys. | | Static Controls Corp | | Staticon | | Stauber | | Stauff | | Stc | | Stearns | | Steed | | Steel Specialties | | Steelastic | | Steelhead | | Stefani | | Stegmann | | Steha Elektronik | | Stein | | Steinmann | | Stellite Coating Co. | | Stephan-Werke | | Stepless Controls | | Sterl-Tronic | | Sterlco | | Sterling Controls | | Sterling Electric | | Sterling Extruder | | Sterling Inc. | | Sterling Scale | | Sterner | | Steuerung | | Steuerungen Computer | | Steuma | | Steutronic | | Stewart & Stevenson | | Stewart Systems | | Stewart Warner | | Sti | | Stiavelli | | Still | | Stk | | Stober | | Stock Equipment Co. | | Stocktrol | | Stone Safety | | Stored Energy Sys. | | Stork | | Storm | | Storz | | Strainstall | | Stranco | | Strand Electro | | Strandberg | | Strapack | | Strapex | | Strayfield | | Streeteramet | | Stresstel | | Stromag | | Stromberg | | Stromrichter | | Struthers Dunn | | Styrkonsult | | Sugawara | | Sugino Machine | | Suhner | | Sukeb | | Sullair | | Sullectron | | Sulzer | | Sumitomo | | Summit | | Sumtak | | Sun Hydraulics | | Sunds Defibrator | | Sundstrand | | Sunhayato | | Sunnen | | Sunny | | Sunpower | | Sunx | | Super-Trol | | Superba | | Superior Electric | | Superior Tube | | Superscope | | Supertek | | Supreme Equipment | | Sure Torque | | Surface Combustion | | Surftran | | Surveyor | | Suter Seon | | Sutrak | | Sutron Electronic | | Svenbrant Elektronik | | Swanson | | Swedot | | Swen Sonic Corp. | | Sweo Engineering | | Switching Power | | Switching Systems | | Sybron/Taylor | | Sycamore Engineering | | Sygnus Controls | | Sylvac | | Sylvania | | Sym Systems | | Symbol Technologies | | Symcom | | Synatec Electronic | | Synchro-Start | | Syncroflow | | Syncronetics | | Synergistics | | Syntest | | Syquest | | Syrelec | | Syron Engineering | | Sysco | | Syscon | | System Controls | | System Electronics | | System Sensor | | Systematic Controls | | Systemcad | | Systeme Lauer | | Systems Associates | | Systems Chemistry | | Systems Northwest | | Systemtechnik | | Systron | | Systron-Donner | | Systronic |
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