Sanders Associates, Inc. 

 Burlington, Massachusetts 



Sanders Associates, Inc. 



95 Canal Street 



Nashua, New Hampshire 



Sanders Associates, Inc. 

 Fairchild Avenue 

 Plainview, L. I. , New York 



Sandia Corporation 

 P. O. Box 5800 

 Albuquerque, New Mexico 



Sangamo Electric Company 



11th &t Converse Streets 



Springfield, Illinois 



Attn; Herbert M. Johnson, Chief Engineer , 



Advance Research t Development, Sonar 



Schlumberger Well Surveying Corporation 

 P. O. Box 307 

 Ridgefield, Connecticut 



E. Fred Schueler 

 30 Albemarle Road 

 Waltham 54, Massachusetts 



Science Service 

 1719 - N Street NW 

 Washington, D. C. 



Scientific Service Laboratories, Inc. 

 P. O. Box 175 

 Dallas 21, Texas 



Scott Aviation Corporation 

 Safety Equipment Division 

 207 Erie Street 

 Lancaster, New York 



Scovill Manufacturing Company 



99 Mill Street 



Waterbury 22, Connecticut 



Sea-Space Systems, Inc. 



2101 Rosita Place 



Palos Verdes, California 



Seiscor 



6200 East 41st Street 



Box 1590 



Tulsa 1, Oklahoma 



Sennicon, Inc. 



300 Sweetwater Avenue 



Bedford, Massachusetts 



Servo Corporation of America 

 1001 Connecticut Avenue NW 

 Washington 6, D. C. 



Servonic Instruments, Inc. 

 1644 Whittier Avenue 

 Costa Mesa, California 



Sheffield Publishing Company, Inc. 

 Undersea Technology 

 640 Washington Building 

 Washington 5, D. C. 



Shell Development Company 

 Emeryville, California 



Shell Development Company 

 P. O. Box 481 

 Houston 1, Texas 



J. H. Shepherd Son & Company 

 P. O. Box 145 

 Elyria, Ohio 



S-I Electronics, Inc. 

 103 Park Avenue 

 Nutley, New Jersey 



Sierra Research Corporation 

 P. O. Box 22 

 Buffalo 25, New York 



Simplex Wire & Cable Company 

 79 Sidney Street 

 Cambridge, Massachusetts 



Sinclair Research, Inc. 

 P. O. Box 3006 

 Whittier Station 

 Tulsa, Oklahoma 



Socony Mobil Oil Company, Inc. 

 P. O. Box 900 

 Dallas 21, Texas 



Southwestern Connputing Service, Inc. 

 910 South Boston 

 Tulsa 19, Oklahoma 



Space Components, Inc. 

 1040 Potomac Street NW 

 Washington 7, D. C. 



Space Technology Laboratories, Inc. 



One Space Park 



Redondo Beach, California 



302 



