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There are 790 STC Holders starting with: S
S & K Engineering
S & M Products Inc
S & R Aircraft Inc
S & S Aircraft Corp.
S & S Aviation Services
S & S Pipeline Patrol
S & S Propellers Inc
S Duke Teitzel
S P Aircraft
S-TEC
S-TEC Corporation
S.A.E. Inc.
S.T.C. Bee Inc.
S4A Solutions For Aviation, S.L.
SAAB AKTIEBOLAG
SAAB Defense and Security USA LLC
SAAB-SCANIA AB
SABENA TECHNICS BGC
SABENA TECHNICS BOD
Sabreliner Aviation LLC
Sabreliner Corp
Sacred Heart Medical Center
Sadler Jeanie
Saeplast
Saf-Air Products Inc.
SAF-T-GLO
Safe Air Repair Inc
Safe Flight Instrument Corp
Safe Flight Instrument LLC
Safe-See Inc
SAFE-SITE Inc
SafeStart Starter System
Safety Devices, Inc
Safeway Airways
SAFEWAY AVIATION PRODUCTS INC
Safeway Products, Inc
SAFRAN AEROSYSTEMS
Safran Cabin Bellingham Inc
Safran Cabin Catering Inc
Safran Cabin Galleys US Inc.
Safran Cabin Germany Gmbh
Safran Cabin Inc.
Safran Cabin Inc.l
Safran Cabin Systems Inc.
Safran Electrical & Power USA LLC
Safran Electrical Components USA Inc.
Safran Electronics & Defense Avionics USA LLC
Safran Electronics & Defense Business Unit - Helicopters Data
SAFRAN Engineering
Safran Power USA LLC
SAFRAN SEATS
SAFT America
SAFT America Inc
SAGE Corp
Sage Rod
Sage-Popovich Inc.
SAGEM Avionics Inc
SAI, Inc
Saint-Gobain Performance Plastics Corp
Saint-Gobain Performance Plastics Corporation
Salair Inc
Salem Aviation
SalesApproach Inc
Salinas Engine Works
Salmon River Helicopters
Salt River Project
Sam B Flint
Samaritan Purse
Samsung OPTO-Electronics America Inc.
Samuel W Bennett
San Diego Helicopter Service, Inc.
Sandel Avionics Inc.
Sandel Avionics LLC
Sanderson Mark M.
Sandia Aerospace Corporation
Sands Aviation, LLC
Santa Barbara Aerospace
Santa Barbara Aerospace, Inc.
Santa Monica Avn Inc
Santa Monica Propeller Svc
Sapp Darrell
Saskatoon Avionics Ltd.
Sassault Falcon Jet Corporation
SATAC Inc.
Satco Inc
SatCom Direct Inc
SATLOC, Inc
Satterwite, George R.
Saturn Airways Inc
Saudia Airlines
Saunders Walter B
Savage Industries Inc
Savannah Air Center
SAVE A CONNIE, Inc
Sawyer Composite
Sawyer Elbridge P
Saylor Flying Service
SBC-America LLC
SBC-America LLC (SBCA)
Scale Modelbuilders Inc.
Scandinavian Airlines Systems
Scandinavian Avionics Design ApS
Scandinavian Avionics Design GmbH
Scandinavian Avionics Design GmbH CO: Scandinavian Avionics A/S
Scenic Avn Svcs, Inc
Schachle Charles
Schaefer's Air Service
Schaeffer Rodney E
Schafer Aircraft Corp
Schafer Aircraft Modifications Inc.
Scheinick Charles M
Schemm, Herman
Scherbon William V.
Schilling William L
Schmidt Bob Jr.
Schneberger Robert F
Schneider Air Service, Inc
Schneider Richard J
Schneller Inc
Schober David
Schoonhoven James Van
Schott Aviation Inc
Schott Walter
Schroers R J
Schultz Dale B.
Schultz Engineering
Schultze James A
Schuman Aviation Company, LTD
Schwans Sales Enterprises, Inc.
Schwartz Aviation LLC
Schwartz Engineering Co
Schwartz Engineering Company
Schwarz, Carl R.
Schwarz, Sigmund
Schweis Robert W
Schweizer Aircraft
Schweizer Aircraft Corp
Schweizer RSG LLC
Schwenk Aircraft, Inc
Science Applications International Corporation (SAIC)
Scientific Flight Corp
Scientific Research Corporation (SRC)
Scientifico Scientific Components Co
Scobee Robert
Scootair LLC
Scorpion Productions
Scott Aero Service Inc
Scott Aerospace Technologies
Scott Aviation
Scott Churchill
Scott Paper Company
Scott's Bell 47 Inc
Scott's-Bell 47 Inc
SCR Engineering, LLC
Sea & Sun Avn Ltd
Sea Emperor, Inc.
Sea Thrush, Inc
Seaboard World Airlines Inc
Seaflight Industries, Inc
Seagull Air Service, Inc
Seagull Aircraft Corp.
Seagull Aviation
Seal Dymanics Inc.
Seal Dynamics
Sealand Aviation Ltd
Seale Avn Supply Co Inc
Sean McLellan
Seaplane Flying Inc
Seaplane Works Inc.
Seaplanes North LLC
Seaplanes West Inc.
Sears Roebuck & Co
Seat Air Systems
Seaton Engineering Corp.
Seattle Aerospace International Inc
Seattle Flight Service, Inc.
Seattle Jet Center Inc
Seattle Sky Sports Inc
Seaway Aviation
Securaplane Technologies Inc
Secure Wings, Inc.
SECURITY AVIATION
Sednal Consulting Services LLC
Seevers John
Seginus, Inc.
Seguin Aviation
SEI Industries Ltd
Select Aviation
Selkirk Aviation
Selkirk Aviation Inc
Selkirk Mountain Helicopters Ltd.
SELL GmbH
Send Solutions LLC
Seneca Flight Operations
Sensenich Propeller
Sensenich Propeller Company
Sensenich Propeller Manufacturing Company
Sensenich Wood Propeller Co
Sensenich Wood Propeller Co. Inc.
Sentas Skyways Service
Serv-Aero Engineering
Serv-Aero Engineering Inc
Serv-Aero Engineering Inc.
Serv-Aero Engr Inc
Servicecenter Inc. The
Servicenter Inc, The
Servizi Elicotteristici Italiani SpA
Servo-Engineering Inc.
Sessler, Jay L.
Seven Bar Flying Service
Seven Bar Flying Service Inc.
SEVEN Q SEVEN LTD.
Sewall James W Co
Sextant Avionique, Inc
Sextant In-Flight Systems LLC
SFENA Corporation
Shackleton Aviation Inc.
Shadin Avionics
Shadin Company Inc
Shady Aviation LLC
Shafter Aviation Inc
SHANE ROGERS
Shangri-La Entertainment LLC
Shanklin Max L
Shannon Aerospace Ltd
Shannon Engineering
Shannon Jack
Shapiro Jeffrey S
Shark Air Aviation Inc
Sharon K. Brent
Shauck Dr Maxwell E Jr
Shaw Aero Devices Inc
Shaw Aerox LLC
Shawano Flying Service
Shea Frank
Sheaffer Bruce R. Jr
Shelby Isham Aero
Sheldon Robert C
Sheldon William L
Shell Canada Limited
Shell Development Co
Sheridan Flying Service
Sheridan Sky Sports
Sherman V Cornstubble
Sherwood George W
Shivers Charles B Jr
Shock Trauma Air Rescue Service
Short Brothers (USA) Inc
Short Final Fabrication LLC
Short Wing Piper Club Library
Showa Aircraft Industry Co Ltd
Showa Aircraft USA Inc.
Shurka Aerospace Inc
Siai Marchetti SpA
SIAL Geosciences
Siam Hiller Holdings
Siam Hiller Holdings Inc
Siam Hiller Holdings, Inc.
SICMA America, Inc
SIDDHIS Aeronautical Corporation
SIDDHIS Aeronautical Design Corporation
SIDDHIS Aeronautical Designs Corp.
Siddhis Aviation Design Inc
Sidney Conn
Sierra Academy of Aeronautics
Sierra Aviation
Sierra Hotel Aero, Inc.
Sierra Industries Inc
Sierra Industries LTD
Sierra Nevada Company
Sierra Nevada Company LLC
Sierra Nevada Corporation
Sierra Nevada Corporation - Mission Solutions and Technologies (SNC-MST)
Sierra Nevada Corporation-Integrated Mission Systems
Sierra Nevada Corporation/Integrated Mission Systems
Sierra Pacific Airlines
Sierra Research Corp
Sierra Technologies Inc
Sierracin/Sylmar Corporation
Sierracin/Thermal Systems
Sigler Richard E.
Sigma Tek Inc
Sigma-Tek, Inc
Signature Flight Support
Signature Flight Support Corporation
Signature Flight Support of Nevada
Sikorsky Aircraft
Sikorsky Aircraft Corporation
Sikorsky Global Helicopters Inc
Siller Helicopters Inc
Silver Instruments Inc
Silveraire LLC
Silverhawk Aviation
Silverhawk Aviation Inc.
SILVERHAWK CONVERSIONS
SIMCO
Simmonds Precision Products Inc
Simmons Airline, Inc
Simmons Aviation Services LLC
Simon Kniff
Simplex Manufacturing Co
Simplex Manufacturing Company
Simpson Airservice Inc
Simpson Audrey
Simpson J B
Simpson James B
Simsbury Flying Svc Inc
Simuflight, Seattle
Simula, Inc
Sinclair Oil & Gas Co
Singapore Airlines Ltd
Singer Company
Sioux Center Aviation
Sioux Narrows Airways Ltd
SIP Technical Services Inc
Siren USA Inc
Sirius Technologies Inc
SISU Services, Inc
SJT Aerospace
SJT Aerospace Corporation
SK Aircraft Company Inc
SK Engineering Co
Skaggs Robert G
Skaggs Vern
Skandia Inc
Skarperud, Dan
SKH AEROSPACE LLC
Skinner, Burdette
Skurka Aerospace Inc.
Sky Candy Ballooning
Sky Connect LLC
Sky Diving Inc
Sky Harbour Aircraft Refinishing
Sky IMD Inc
Sky International Inc
Sky Ox Limited
Sky Service F.B.O Inc
Sky Service F.B.O Inc.
Sky Service F.B.O. Inc
Sky Service F.B.O. Inc.
Sky Services Inc
Sky Sign Inc
Sky Trac Systems Ltd
Sky Vision, Inc
Sky Way Enterprises, Inc
Sky-High Aviation, Inc
SKY-OX LIMITED
Sky-Tec
Sky-Tractor Supply Co
Skybolt Aeromotive Corp
Skybolt Composite Design
Skybooks, Inc.
Skybound Manufacturing Inc.
Skybus Inc
SkyCab Balloon Promotions
SkyCab Balloon Promotions Inc
Skycharter Limited
Skycom Avionics, Inc
Skycraft Corporation Inc.
Skycraft Design
Skycraft Design Inc
Skycruiser Airships Inc.
SKYDISPLAY LLC
Skydive Snohomish Inc
Skydive, Inc
SKYE Avionics Ltd.
Skyhaven Inc
Skyhawk Aerial Inc
Skylane Flying Svc Inc
Skylark Aviation
Skyline Aviation
Skyline Helicopters Ltd
Skymech LLC
Skymotive Inc
Skyote Aeromarine Ltd
Skypods Limited
Skyport Services Div
Skyport Services Inc
Skyryse Inc.
Skys The Limit Ballooning Inc
Skyservice Aviation Inc
Skyservice Business Aviation Inc.
SkyService F.B.O. Inc.
Skyservice FBO Inc.
Skyship Services Inc.
Skytech Aircraft Services Ltd
Skytech Inc.
Skytel Aviation, Inc
SkyTrac Systems Ltd
Skytronics Inc
Skyway Communications Holding Corporation
Skyway Group Inc
SkyWay Group Inc.
Skyways Inc
Skyways International
Skywest Airlines
SkyWorld Airlines Inc
SL Fixtures, Ltd
Slave Lake Helicopters
Slick Aircraft Products
Slick Airways
Slidell Aviation Svc
Slim Kidwell Avn Co
Slone Martin
SMA Aero Engines GmbH
SMA Engines Inc
Smiley Gordon W
Smith Ballooning LLC
Smith Casey B
Smith Clay
Smith Curtis J Jr
Smith David C
Smith Gene E
Smith Gene L
Smith George & Therese Inc
Smith Industries
Smith James Tucker
Smith Lee R
Smith Marvin
Smith Murlin Gene
Smith Robert
Smith Warren D
Smith William L
Smith, Harold E.
Smiths Aerospace
Smiths Aerospace LLC
Smiths Industries
Smiths Industries, Inc
Smitty's Aircraft Svc, Inc
Smokey Bay Air, Inc
SMP, LTD Ron Anderson Aircraft
SMR Acquisition LLC dba SMR Technologies Inc.
SMR Aquisition LLC dba SMR Technologies Inc.
SMR Technologies
SMR Technologies Inc
Snaky Creek Enterprises LLC dba Spectrum Aeromed
Snider Aircraft Accessories Inc.
Snider Aircraft Accessories, Inc
Snohomish Flying Svc Inc
Snow Aviation International
Snow Engineering Company
Snow Goose Aviation LLC
Soaring Society of America Inc
Soaring Society of American Inc.
Sobchuk Roy
Socata North America Inc
Socata S.A.S
Soci t Air France
Soci t DUC t/a DUC Helices Propellers Aerodrome De Villefranche-Tarare
Société Air France
Societe Nationale Indus. Aerospatiale
Socotair LLC
Soerens Thomas D
Sogerma
SOL Company
Soloy Helicopters LLC
Soloy LLC
Solt Thomas LR Jr
Sombra Corporation
Sonora Aviation Inc
Sony Trans Com, Inc
Soper Steve
Sorensen Sprayers, Inc
Sorm Inc
Sorm Industries
Soros Inc
Soros Inc. a Texas Corporation
South Beach Aerospace Inc
South Florida Aircraft
South Florida Aircraft Sales & Leasing, Inc
South Florida Completion Center Inc
South Seas Ventures Inc
South West Aero Group
Southeast Aero-Tek Inc
Southeast Aerospace
Southeast Aerospace Inc
Southeast Aerospace Incorporated
Southeast Aerospace, Incorporated
Southeast Air Charter
Southeast Alaska Airlines
Southeast Arkansas Avn Co
Southeast Jet Group Inc
Southeastern Ohio Air Service Inc.
Southeastern Oklahoma State University
Southeastern Resources Corporation
Souther Field Aviation Inc.
Southern Aeropartners Inc
Southern Aeropartners Inc.
Southern Aeroparts, Inc
Southern Agro Turbines Inc.
Southern Air Transport
Southern Air Transport Inc
Southern Aircraft Corp
Southern Airways Company
Southern Airways Inc
Southern Aviation Corp
Southern Aviation Parts & Services (SAPS)
Southern Aviation Parts and Services
Southern California Aircraft Corp
Southern Express Airways, Inc
Southern Natural Gas
Southern Ohio Avn Co
Southern Ohio Avn Sales Co
Southstar Aircraft Interiors, Inc.
Southwest Aero-Mods Inc
Southwest Aeroservice Inc.
SouthWest Airlines
Southwest Airmotive Co
Southwest Cooler Svc Inc
Southwest Heli Inc
Southwest Texas Aviation, Inc
Southwest United Industries Inc.
Southwestern Aero Exchange Inc
Southwestern Skyways Inc
Sowell Aircraft Svcs Inc
Space Exploration Technologies Corp. / Starlink Aviation
Space Exploration Technologies Corp./Starlink Aviation
Space Imaging
SPACECAM Systems Inc
Spacecraft Machine Products
Spach John
Spach, Charles M.
Spain-Air Inc
Spall Leonard G
Spanish Fork Flying Service Inc
Spar Aerospace Limited
Sparks Donna R
Spartacus Industries
Spartan - Van Nuys
Spartan Aircraft Company
SPEC Inc
Spec Ops Technology LLC
Special Aviation Systems, Inc
Specialized Transport Intl
SpectraSensors Inc
Spectrolab
Spectrolab, Inc
Spectrum Aeromed Inc
Spectrum Aeromed LLC
Spectrum Aeromed LLC dba Spectrum Aeromed
Spectrum Color Lab
Spectrum Electrostatic Sprayers Inc.
Sperry Flight System Div
Sperry Flight Systems
Sperry Gyroscope Co
Sperry Phoenix Company
Sperry Rand Corp
Spinks Industries
Spinks Industries, Inc
Spinks M H Sr
Spirent Systems Wichita Inc.
Spirit Airlines
Spirit America Airlines
Spirit Avionics LTD
Spirit Wing Aviation LTD
Spitfire Aerospace, LLC
Spoilers Inc
Spookfish Aviation Pty Ltd
Sportsman Airpark, Inc
Sportsman Intl Ltd
Springer Aerospace LTD
Spur Aviation Services, LC
SR Technics Switzerland Ltd
SRS Aviation LLC
ST Aerospace Mobile Inc.
St Louis Helicopter LLC
ST Mobile Aerospace Engineering Inc.
St. Louis Helicopter, LLC
Stafford Aviation Inc
STAGE III TECHNOLOGIES L.C.
Staggerwing Museum Foundation Inc.
Stand-By Systems, Inc
Standard Aero
Standard Aero Business Aviation Services LLC
Standard Aero Business Services LLC
Standard Aero Inc
Standard Aero Limited
Standard Airways
Standard Airways Inc
Standard Helicopter Corp
Standard Precision Inc
StandardAero
StandardAero Atlantic USA Inc.
StandardAero Business Aviation Services
StandardAero Business Aviation Services LLC
STANDARDAERO BUSINESS AVIATION SERVICES LLC,
Stanislaw David L
Stanke Ted
Stanke Theodore DBA Stanke's Aircraft
Stanley Aviation Corp
Stanley N. Protigal
Stanley Tool & Die Co
Staples Holdings Ltd
Stapleton James W.
STAR 3 STC Inc
Star Aviation
Star Aviation Inc.
Star Navigation Systems Inc.
Starflex LLC
Stark James G
Stark Robert G
Stark, Robert C.
Stark's Aviation
Starline Aircraft Co
Starlite Express
Stars & Bars Aircraft
Stars Aviation Canada Inc
State Airlines Inc
State of Ohio
State of Washington
State of Wisconsin
STC 338 LLC
STC ACQUISITION LLC
STC Bee Inc
STC Engineering Company
STC Group, LLC
STC Holding Company
STC Holding Company Inc
STC Limited
STC Solution, Inc
STC Twenty One Limited
STC Twenty One, Ltd.
STC/Mooney Limited
STE Pensacola Aerospace, Inc.
Stead Aviation Corp
Sted-Mac Co
Steel Products Inc
Steffey Robert
Steinbach & Associates, Inc.
Stellar Blu Solutions GmbH
Stellar Blu Solutions LLC
Stellar Hydraulics Co
Stene Aviation Inc
Stephen Bryant
Stephen C Murray
Stephen D. MacLellan
Stephen D. Woodin
Stephen J Wisey, Jr
Stephen M. Hill
Stephen Mroz
Stephen N Crowe & Ronald A. Liebin
Stephen Noyes
Stephens Bros Plumbing, Inc.
Stephenson John W
Stephenson William J
Sterling Aircraft Industries
Sterling Aviation Technologies Inc.
Sterling Beverage Systems, Inc
Sterling Helicopter
Sterling Paul
Sterling Paul M
Sternair, Inc
Steve Biljanic
Steve Fuller Associates
Steve Noyes
Steve Pankonin
Steve Pierce
Steve Sinnen
Steve Tubbs
Steve's Aircraft
Steven E Soper
Steven E/Robert F Bell
Steven L. Knopp
Stevens & Co Inc
Stevens Aviation
Stevens Aviation Inc
Stevens Aviation LLC
Stevens Beechcraft, Inc
Stevens, M.R. and C.R.
Stevenson John
Stevison Joseph B
Steward-Davis Inc
Steward-Davis Intn'l Inc
Stewart E Westcott
Stewart Harold D
Stewart Thomas D.
Stewart Thomas D. and Stewart Dan R.
STG AEROSPACE GERMANY GmbH
STG Aerospace Inc
STG Aerospace Inc,
STG Aerospace Ltd
STG Aerospace Ltd Brecon House, william Brown Close
Stickley John E
Stilley John D
Stillwagon George B
Stilwell Floyd D
Stinson Bobcat
Stits Aircraft Corp
Stockbridge William D
Stockton Helicopters
Stoddard Aero Service
Stoddard W L Stoddard Aero Service
Stohler Mike
Stol Aircraft Corporation
STOL Aviation LLC c/o Tom Csatari
Stol-Craft Inc
STOL-CRAFT, Inc.
Stolairco Inc
Stolairus Aviation Inc
Stolairus Aviation Inc.
Stoots Aviation David S. Stoots
Stoots Aviation/David A. Stoots
Storehouse LLC
Stoughton Dale
Stowe Corporation
Straight Flight Inc
Stratton Park Engineering Company Incorporated
Stratus Tool Technologies LLC
Streett Christee T
Strever, Carl W.
Strong Aero Engineering
Strong Aviation Inc
Structural Integrity Engineering
Structural Mod and Repair Tech, Inc
STS AeroMod, LLC
STS Engineering Solutions
Stuart K Mitzel
Stubben-McCandless
Studio RD Custom LLC
Sturdevant Joel
Stutesman Charles L
Styles Aviation Inc
Suburban Air Freight, Inc
Suburban Air Inc
Suburban Airlines
Sugar Land Jet Center, A Texas Corporation
Summers G. H. Jr
Summersett James A. Jr
Summit Aviation Inc
Summit Helicopter
Sumrall & Tears
Sun Country Airlines
Sun Oil Company
Sundance Ballons Ltd.
Sundance Balloons (US)
Sundstrand Avn Operation
Sundstrand Data Control Inc
Sunny South Aircraft Svc Inc
Sunny South of Gainesville, Inc.
Sunrise Filters Inc
Sunstream Jet Center, Inc
Super Stinson Modifications, LLC
Super98 LLC
Superiaire Technologies
Superior Air Parts
Superior Air Parts Inc
Superior Air Parts Inc.
Superior Airmotive of Alaska, Inc.
Superior Avionics
Superior Flow Company
Superior Oil Company
Superior Panel Technology
Supervan Systems Ltd
Supplemental Technologies Corporation
Supreme Aircraft Service
SureFly Partners Ltd
Survival Products Inc
Sutton Barry
Svenn s Aviation LLC
Svenn's Aviation LLC
Swack Harvey R
Swallows of Atlanta Inc
Swearingen Aviation Corp
Sweeney Daniel J
Sweet Rick
Swick Aircraft
Swick Aircraft Corp
Swift Air Service
Swift Alturair
Swift Fuels LLC
Swift Museum Foundation Inc
Swift Tech Co
Swindle Elro M
Switch Protectors, Inc
Swords Don
Swords Donald H.
SWS Certification Services Ltd
Sylvio David Allard
Symbolic Displays, Inc
Symetric Industries, DBA Extant Aerospace
Symons Engineering
Symons M W Engineering Co
SynCon Inc
Syncro Aircraft Interiors Inc.
Synergetics, Inc
Synodon Inc.
Systems & Electronics Inc. (SEI)
Systems Management Associates, Inc.
Systems Research Laboratories, Inc
Systron-Donner Corp
