Astra, Inc. 



Box 226 



Raleigh, North Carolina 



Hydro Systems Division 



Astropower 



2968 Randolph Avenue 



P. O. Box 500 



Costa Mesa, California 



Atlantic Research Corporation 

 Shirley Highway & Edsall Road 

 Alexandria, Virginia 



Atlas Compass & Manufacturing Company 

 Vashon Island, Washington 



Auerbach Corporation 

 1634 Arch Street 

 Philadelphia 3, Pennsylvania 



Automated Controls 

 1815 Magnolia Road 

 Alder wood Manor, Washington 



Autometric Corporation 



1501 Broadway 



New York 36, New York 



Autonetics 

 P. O. Box R-3 

 Anaheim, California 

 Attn: Library 



Autonetics 



Division of North American Aviation 



Dept. 3085, Bldg. 2 



9150 E. Imperial Highway 



Downey, California 



AVCO Corporation 



Research and Development Division 



201 Lowell Street 



Wilmington, Massachusetts 



AVCO Corporation 



750 Third Avenue 



New York 17, New York 



Avien, Inc. 

 58-15 Northern Blvd. 

 Woodside 77, New York 

 Attn: Lawrence H. Kilian 



Avien, Inc. 



Hydro- Mechanical Division 

 125 Gazza Boule%'ard 

 Farmingdale, New York 



Baldwin- Lima-Hamilton Corp. 

 Electronics Div. 



42 Fourth Ave. 



Waltham 54, Massachusetts 

 Attn: H. T. Lowell, Jr. 



Baldwin- Lima-Hamilton 

 1000 Connecticut Avenue NW 

 Washington, D. C. 



D. Ballauf Manufacturing Company, Inc. 

 619-21 H Street NW 

 Washington 1, D. C. 



Barkley &t Dexter Laboratories, Inc. 

 50 Frankfort Street 

 Fitchburg, Massachusetts 

 Attn: Ray Tetrault 



Barnes Engineering Company 

 30 Commerce Road 

 Stamford, Connecticut 



Barnes & Reinecke, Inc. 

 230 East Ohio Street 

 Chicago 11, Illinois 



Bartlett Laboratories, Inc. 

 113 North College Avenue 

 Indianapolis 6, Indiana 



Bartlett Laboratories, Inc. 

 2022 Columbia Road, NW 

 Washington 9, D. C. 



Bay State Electronics Corporation 



43 Leon Street 



Boston 15, Massachusetts 



Beckman & Whitley, Inc. 

 973 San Carlos Avenue 

 San Carlos, California 



Beckman Instruments, Inc. 

 8519 Stevenswood Road 

 Baltimore 7, Maryland 



Belden Manufacturing Company 



P. O. Box 341 



Richmond, Indiana 



Attn: F. O. Weirich, Engineering Manager 



Belfort Instrument Company 

 4 North Central Avenue 

 Baltimore 2, Maryland 



Belock Instrument Corporation 

 112-13 - 14th Avenue 

 College Point 56, New York 



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