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BUYERS DIRECTORY This directory section is an editorial feature published in every issue for the convenience of the readers of MARITIME REPORTER/Engineering News. A quick-reference readers' guide, it includes the names and addresses of the world's lead- ing manufacturers and suppliers ot all types of marine macninery, equipment, supplies and services. A listing is provided, at no cost for one year in all 24 issues, only to companies with continuing advertising programs in this publication, whether an advertisement appears in every issue or not. Because it is an editorial service, unpaid and not part of the advertisers contract, MR/EN assumes no responsibility for errors. If you are interested in having your company listed in this Buyers Directory Section, contact John C. O'Malley at (212) 689-3266. AIR COMPRESSORS Flexaust Company, 11 Chestnut St., Amesbury, MA 01913 Squire Cogswell Company, 3411 Commercial Ave., Northbrook, IL 60062 AIR CONDITIONING AND REFRIGERATION—REPAIR & INSTALLATION Bailey Refrigeration Co., Inc., 74 Sullivan St., Brooklyn, N.Y. 11231 Cospolich Refrigerator Co., Inc., 949 Industry Rd., Kenner, LA 70062 Flakt AB, Box 8862, S-40272, Gothenburg, Sweden Mario Coil/Nuclear Cooling, Inc., P.O. Box 171, High Ridge, MO 64049 Mechanical Resources, Inc., 210 West Side Ave., Jersey City, NJ 07305 Nance Industries, P.O. Box 1547, Beaumont, TX 77704-1547 Stal Refrigeration AB, Butangsgatan 16, S 601 87 Norrkoping, Sweden United Technologies Carrier Transicold, P.O. Box 4805, Syracuse, NY 13221 Unitemp Inc., 3590 Kennedy Rd., So. Plainfield, NJ 07080 York Division, Borg-Warner Corp., P.O. Box 1592, York, PA 17405 ANCHORS AND CHAIN G.J. Wortelboer Jr. B.V., Eemhavenstraat 4, P.O. Box 5003, 3008 AA Rot- terdam, Netherlands Neptunia, Via Giovanni da Verrazzano, 12, 16165 Genova, Italy ANODES— Cathodic Protection American United Marine Corp , 5 Broadway, Rte. 1, Sougus, MA 01906 Engelhard Industries Division, 2655 U.S. Route 22, Union, NJ 07083 Kaiser Chemical, Div., of Kaiser Aluminum & Chemical Corp., 300 Lakeside Dr., Rm. 1128 KB, Oakland, CA 94643 The Piatt Bros. & Co., Box 1030, Waterbury, CT 06721 BASKET STRAINERS North Star Marine & Industrial Products, Inc., 84 Wall Street, Farmingdole, NY 11735 Riley-Beaird, P.O. Box 31115, Shreveport, LA 71 130 BEARINGS—Rubber, Metallic, Non-Metallic Grant Manufacturing & Alloying, Inc., 600 Schoolhouse Rd., Souderton, PA 18964 Johnson Rubber Co., Duromax Marine Div., 16025 Johnson St., Middle- field, OH 44062 Lucian Q. Moffitt, Inc., P.O. Box 1415, Akron, Ohio 44309 Norton Chemplast, 309-150 Dey Rd., Wayne, NJ 07470 Thomson-Gordon Limited, 3225 Mainway, Burlington, Ontario, Canada L7M 1A6 Waukesha Bearings Corp., P.O. Box 798, Waukesha, Wise. 53186 BLASTING—Cleaning—Equipment Apache Equipment, Inc., 10690 Shadow Wood Dr., Suite 112, Houston, TX 77043 Aqua-Dyne Inc., 2208 Karbach St., Houston, TX 77092 Atlantic Sandblasting & Coatings, Inc., 2700 Guy Verger Blvd., Tampa, FL 33605 Aurand, 1270 Ellis St., Cincinnati, OH 45223 Butterworth Inc. (USA), 3721 Lapas Dr., P.O Box 18312, Houston, TX 77223-9989 Butterworth Systems (UK), 123 Beddington Lane, Croydon CR9 4NX, England CLEMCO, P.O. Box 7680, San Francisco, CA 94120 Complete Abrasive Blasting Systems, 18250 68th Avenue South, Kent, WA 98031 E.I. DuPont De Nemours & Co., Inc., Starblast Division, Room X39186, Wil- mington, DE 19898 Rockwell International, Power Tool Division, 400 N. Lexington Ave., Pitts- burgh, PA 15208 Schmidt Mfg. Inc., P.O. Box 37, Fresno, TX 77545 BOILERS B&D Marine and Industrial Boilers, Inc., P.O. Box 5702, North Charleston, SC 29406 Combustion Engineering, Inc., Windsor, Connecticut 06095 Forney Engineering Co., P.O. Box 189, Addison, TX 75001 Foster Wheeler Boiler Corp., 110 S. Orange Ave., Livingston, NJ 07039 Howe-Baker Engineers, Inc. (Econoflex Burners), Combustion Systems Div., P.O. Box 956, Tyler, TX 75710 Way-Wolff Associates Inc., 45-10 Vernon Blvd., Long Island City, NY 11101 BOILER CLEANING Asea Stal, 525 Executive Blvd., Elmsford, NY 10523-1296 BROKERS S. Danoff U.S.A. Ltd., 2050 Coral Way, Miami, FL 33145 Capt. Astad Company, Inc., P.O. Box 53434, New Orleans, La. 70153 ECO Inc., 1036 Cape St. Claire Center, Annapolis, MD 21401 Hughes Bros., Inc., 17 Battery PL, New York, N.Y. 10004 BRONZES—COMMEMORATIVE Duramax Metals, Inc., 2401 Wesley Street, Portsmouth, VA 23707 BUNKERING SERVICE Belcher Company, Inc., 8700 West Flagler, P.O. Box 525500, Miami, FL 33152 Gulf Oil Trading Co., 535 Madison Ave., New York, NY 10022 National Marine Service Inc. (Transport Div.), 1750 Brentwood Blvd., St. Louis, MO 63144 CARGO HANDLING EQUIPMENT Alpha Technical Services, Inc., P.O. Box 446, Hamilton, OH 45012 MocGregor-Navire International, Box 8991, S-402 74 Goteborg, Sweden MacGregor Navire U.S.A. Inc., 135 Dermody St., Cranford, NJ 07016 CHOCKING SYSTEMS Palmer Products Inc., P.O. Box 8, Worcester, PA 19490 Philadelphia Resins Corp., 20 Commerce Drive, Montgomeryville, Pa. 18936 CLAMPS Band-It Company, P.O. Box 16307, Denver, CO 80216 CLOSURES—Marine Cornell-Carr Co. Inc., 63 Main St., Monroe, CT 06468 Mock Manufacturing Inc., 777 Rutland Rd., Brooklyn, NY 11203 CONDENSERS Riley-Beaird, P.O. Box 31115, Shreveport, LA 71130 CONTROL SYSTEMS—Monitoring American United Marine Corp., 5 Broadway, Rte. 1, Saugus, MA 01906 Argo Marine, 140 Franklin St., New York, NY 10013 ASEA, Inc. 4 New King St., White Plains, NY 10604 Autronica Marine USA, 280 Industrial Pkwy., Northvale, NJ 07647 Avicon Corp., 7750 East Redfield Rd., Scottsdale, AZ 85260 Barringer Research, 304 Carlingview Dr., Rexdale, Ontario, Canada M9W5G2 Biospherics Inc., 4928 Wyaconda Rd., Rockville, MD 20852 Bowmar/ALI, Inc., 531 Main St., Acton, MA 01720 Cooper Energy Services, Mount Vernon, OH 43050 Eldec Corp., P.O. Box 100, Lynwood, WA 98036 Louis C. Eitzen Co., P.O. Box 1210, Glenwood Springs, CO 81602 Ergon, Inc., P.O. Drawer 1639, Jackson, MS 39205 Failsafe Motor/Generator Protector, Marine Safe Electronics Ltd., 101 Jar- din Dr., Unit 24/25, Concord, Ontario, Canada L4K 1B6 Fluidyne, a Div. of Electrodota Inc., P.O. Box 11366, Santa Rosa, CA 95406 Grumman Aerospace, 111 Stewart Ave., Bethpage, NY 11714 IH Mackay, 441 U.S. Highway #1, Elizabeth, NJ 07202 Indikon Corp., 26 New St., Cambridge, MA 02138 Kongsberg North America Inc., 400 Oser Ave., Hauppauge, NY 11738 Leslie Co., 401 Jefferson Rd., Parsippany, NJ 07054 Marine Moisture Control Co., 60 Inip Dr , Inwood, NY 11696 Maritime Protection A/S, Box 100, N-4620 Vagsbygd, Norway Megasystems, Inc., 1075 N.W. 58th Street, Boca Raton, FL 33431 National Control Systems, Inc., 827 Hanley Industrial Court, St. Louis, MO 63144 Nav-Vue, Inc., P.O. Box 1175, Huntsville, TX 77340 Norske Telektron A/S, Drammensveien 126, Oslo 2, Norway Offshore Technology Corp., 578 Enterprise St., Escondido, CA 92025 Pandel Instruments Inc., 2100 N. Hwy. 360, Grand Prairie, TX 75050 Propulsion Systems, Inc., 21213 76 Ave., Kent, WA 98032 Seaworthy Systems Inc., 36 Main Street, Essex CT 06426 Teleflex Inc., 771 First Ave., King of Prussia, PA 19406 Transamerica Delaval, Inc., Gems Sensors Division, Cowles Road, Plain- ville, CT 06062 Valmet Automation A.S., P.O. Box 130, N-3430, Spikkestad, Norway Wesmar Marine Systems Div., 801 Dexter Ave. N , Box C19074, Seattle, WA 98109 COUPLINGS Camlock Flange Sales Corp., 60 Inip Dr., Inwood, NY 11696 SKF Steel, 20 Tower Lane, P.O. Box 745, Avon, CT 06001 CRANES—HOISTS—DERRICKS—WHIRLEYS American Hoist & Derrick Company (AMHoist), St. Paul, MN 55107 Appleton Marine, P.O. Box 2339, Appleton, Wl 54913 ASEA Stal-Lavol Inc., 525 Executive Blvd , Elmsford, NY 10523 Blohm & Voss Company, 55 Morris Avenue, Springfield, NJ 07081 Chester Hoist Division, Monogram Industries, P.O. Box 229, Lisbon, OH 44432 Grove Manufacturing Co., P.O. Box 21, Shady Grove, PA 1 7256 HIAB Cranes & Loaders Inc., R.D. 22 Interchange Place, York, PA 17404 Hertz Equipment Rental Corp., 7 Entin Rd., Bldg # 2, Parsippany, NJ 07054 Machinoexport, 35 Mosfilmovskaya Ul., 117330 Moscow, U.S.S.R. Marine Travelift, Inc., 49 E. Yew St., Sturgeon Bay, Wl 54235 National Crane Corp., 11200 North 148 St., Waverly, NE 68462 National Supply Company, 1455 West Loop South, Houston, TX 77027 J.D. Neuhaus, Hebezeuge, D5810, Witten Heven, West Germany Superior-Lidgerwood-Mundy Corp., 1101 John Ave., Superior, Wl 54880 DECK MACHINERY—Cargo Handling Equipment Argo Marine, 140 Franklin St., New York, NY 10013 Marine Technical Associates, 195 Patterson Avenue, Little Falls, NJ 07424 Markey Machinery Co., Inc., 79 S. Horton St., Seattle, Wash. 98134 Murdock Engineering Company, P.O. Box 2278, Irving, TX 75061 DECKING—GRATING International Grating, Inc., 7625 Parkhurst, Houston, TX 77028 Selby, Battersby & Company, 5220 Whiby Ave., Philadelphia, PA 19143 J.E. Steigerwald Co., Inc., 5515 Belair Rd., Baltimore, MD 21206 DIESEL ACCESSORIES—CYLINDER LINERS B & W Marine Service, 50 Broadway, New York, NY 10004 General Thermodynamics Corporation, 210 South Meadow Road, P.O. Box 1105, Plymouth, Massachusetts 02360 Golten Marine Co., Inc., 160 Van Brunt St., Brooklyn, NY 11231 Haynes Corporation, P.O. Box 179, Jackson, Ml 49204 Van der Horst Corp. of America, 314 Penn Ave., Olean, NY 14760 DIESEL ENGINE—Spare Parts & Repair Golten Marine Co., Inc., 160 Van Brunt St., Brooklyn, NY 11231 ELECTRICAL EQUIPMENT Argo Marine, 140 Franklin St., New York, NY 10013 Jergens Inc., 19520 Nottingham Rd., Cleveland, OH 44110 Marine Electric RPD, Inc., 666 Pacific St., Brooklyn, NY 11217 Valad Electric Heating Corporation, 162 Wildey St., Tarrytown, NY 10591 Ward Leonard Electric Co., 31 South St., Mt. Vernon, NY 10550 Zidell Explorations, Inc., 3121 S.W. Moody St., Portland, Ore. 97201 EMULSIFICATION SYSTEMS Cleanodan A/S, N. American Agents, American United Marine Corp , 5 Broadway, Route 1, Saugus, MA 01906 Fire-Brite, Hoffert Manufacturing Co., Inc., 3749 Progress Rd., Norfolk, VA 23502 EQUIPMENT—Marine American General/Levin Corp., 445 Littlefield Ave., So. San Francisco, CA 94080 Argo Marine, 140 Franklin St., New York, NY 10013 ASEA Stal-Laval Inc., 525 Executive Blvd., Elmsford, NY 10523 Bond-It Division, Houdaille Industries, Inc., P.O. Box 16307, Denver, CO 80216 Thomas Coudon Associates, 6655 Amberton Dr., Baltimore, MD 21227 Fitz-Wright Suits Ltd., 17919 Roan PL, Surrey, B.C., Canada V3S 5K1 Genstar Stone Products Company, Executive Plaza IV, Hunt Valley, MD 21031 Harvey's Commercial Marine Div., 2505 S. 252nd St., Kent, WA 98032 b.v. Holmatro Industrial Equipment, P.O. Box 33, 4940 aa Raamsdonksveer, Holland Imperial Manufacturing Co., P.O. Box 4119, Bremerton, WA 98312 Juniper Industries Inc., 72-15 Metropolitan Ave., Middle Village, NY 11379 Kearfott Marine Products, 550 South Fulton Ave., Mount Vernon, N.Y. 10550 Maritime Power Corp., 200 Henderson Street, Jersey City, NJ 07302 John P. Nissen, Jr. Company, Glenside, PA 19038 Stal-Laval Turbin AB, S-612 20 Finspong, Sweden EVAPORATORS Alfa-Laval, Inc., Dept. MR-2, 21 15 Linwood Ave., Fort Lee, NJ 07024 Aqua-Chem Inc., P.O. Box 421, Milwaukee, Wl 53201 MECO (Mechanical Equipment Company, Inc.), 861 Carondelet St., New Orleans, LA 70130 Riley-Beaird, P.O. Box 31115, Shreveport, LA 71130 FANS—VENTILATORS—BLOWERS American United Marine Corp., 5 Broadway, Rte. 1, Saugus, MA 01906 Argo Marine, 140 Franklin St., New York, NY 10013 Gaylord Industries, Inc., P.O. Box 558, Wilsonville, OR 97070 Hartzell Fan, Division of Castle Hills Corp., 901 S. Downing St., P.O. Box 919, Piqua, OH 45356 Joy Manufacturing Company, 338 So. Broadway, New Philadelphia, OH 44663 Zidell Explorations, 3121 S.W. Moody St., Portland, Ore. 97201 FENDERING SYSTEMS—Dock & Vessel Hughes Bros., Inc., 17 Battery Place, New York, N.Y 10004 InterTrode Industries, 15301 Transistor Lane, Huntington Beach, CA 92649 Johnson Rubber Co., Duramax Marine Div , 16025 Johnson St., Middle- field, OH 44062 Samson Ocean Systems, Inc., 99 High St., Boston, MA 02110 Seaward International, Inc., 6269 Leesburg Ave., Falls Church, Va. 22044 FILTERS Dahl Manufacturing, Inc., 2521 Railroad Ave., Ceres, CA 95307 Mueller Steam Specialty, P.O. Box 1569, Lumberton, NC 28359 Wm. W. Nugent & Co., P.O. Box 948, Skokie, IL 60076 FINANCING—Leasing A.G. Becker Paribus Inc., 2 First National Plaza, Chicago, IL 60670 Gulf Western Leasing Corp., 1500 City West Blvd., Suite 300, Houston, TX 77047 Yegen Marine, P.O. Box 25504, Ft. Lauderdale, FL 33320 FIRE PROTECTION, DETECTION, & ALARM SYSTEMS EEV, Inc., 7 Westchester Plaza, Elmsford, NY 10523 Gulf Publishing Company Video (Firefighting Videotape), P.O. Box 2608, Houston, TX 77001 Walter Kidde, Walter Kidde Dr., Wake Forest, NC 27586 Wormald Fire Systems, One Stanton St., Marinette, Wl 54143 FUEL OIL/ADDITIVES—Analysis & Combustion Testing Ferrous Corporation, 910-108th N.E., P.O. Box 1 764, Bellevue, WA 98009 Fuji Trading (America) Ltd., 17 Battery Place, New York, NY 10004 McTigue Industries Inc., 1615 9th Ave , Bohemia, NY 11 716 U.S. Borax, 3075 Wilshire Blvd., Los Angeles, CA 90010 FURNITURE Bailey Carpenter & Insulation Co., 74 Sullivan Street, Brooklyn, N.Y. 11231 Comfort-Mate, Inc., 7988 NW 56th Street, Miami, FL 33166 GALLEY EQUIPMENT Argo Marine, 140 Franklin St., New York, NY 10013 Insinger Machine Tool Co., 6245 State Rd., Philadelphia, PA 19135 GANGWAYS Rampmaster Inc., 9825 Osceola Blvd., Vero Beach, FL 32960 HATCH & DECK COVERS—Chain Pipe Comlock Flange Sales Corp., 60 Inip Dr., Inwood, NY 11696 Hayward Marine Products, 900 Fairmount Avenue, Elizabeth, NJ 07207 Marine Moisture Control Co., 60 Inip Dr., Inwood, N Y. 11696 MacGregor-Navire International, Box 8991, S-402 74 Goteborg, Sweden MacGregor Navire U.S.A. Inc., 135 Dermody St., Cranford, NJ 07016 Mock Manufacturing Inc., 777 Rutland Rd., Brooklyn, NY 11203 J.E. Steigerwald Co., Inc., 5515 Belair Rd., Baltimore, MD 21206 HEAT EXCHANGERS Alfa-Laval, Inc., Dept. MR-2, 2115 Linwood Ave., Fort Lee, NJ 07024 American Standard Inc., Heat Transfer Div , Buffalo, NY 14240 Riley-Beaird, P.O. Box 31115, Shreveport, LA 71130 HULL CLEANING Butterworth Inc. (USA), 3721 Lapas Dr., P.O. Box 18312, Houston, TX 77223-9989 Butterworth Systems (UK), 123 Beddington Lane, Croydon CR9 4NX, England Gulf International Divers, P.O. Box 1342, Gretna (New Orleans), LA 70052 Pacific Maine Services, Berth 10, Pier A, Long Beach, CA 90802 Performance Hull Cleaning Services, Inc., P.O. Box 655, New Orleans, LA 70059-0655 Petrochemical Services, Inc., 3820 Dauphine St., New Orleans, LA 70117 Phosmarine Equipment, 21 Bd. de Paris, 13002, Marseille, France Seaward Marine Services, Inc., 6269 Leesburg Pike, Falls Church, VA 22044 Stork Services B.V., P.O. Box 2013, 7750 CA Hengelo, Holland Taylor Diving & Salvage Co. Inc., 701 Engineers Rd., Belle Chasse, LA 70037 HYDRAULICS Aeroquip Corp., 1130 Maynard Road, Jackson, Ml 49202 HRS, Inc., 3334 Victor Court, Santa Clara, CA 95050 Hydronautics, 6338 Lindmar Drive, Goleta, CA 93017 Washington Chain & Supply, Inc., P.O. Box 3646, Seattle, WA 98124 INERT GAS—Generators—Systems Camar Corp., 186 Prescott St., Worcester, MA 01605 Foster Wheeler Boiler Corp., 110 So. Orange Ave., Livingston, N.J. 07039 Maritime Protection A/S, N. American Agents, American United Marine Corp., 5 Broadway, Rte. 1, Saugus, MA 01906 Salwico Inc., 5 Marine View Plaza, Hoboken, NJ 07030 INSULATION—Cloth, Fiberglass Bailey Carpenter & Insulation Co., Inc., 74 Sullivan St , Brooklyn, N.Y. 11231 Superior Energies, Inc., P.O. Drawer 386, Groves, TX 77619 Waco Inc., P.O. Box 24347, Richmond, VA 23224 INSURANCE Adams & Porter, 510 Bering Dr., Houston, TX 77057-1408 Adams & Porter, 1 World Trade Center, Suite 8433, New York, N.Y. 10048 Assurance Foreningen Skuld, P.O. Box 1376 Vika, Stortingagaten 18, N-OSLO 1, Norway RA Fulton & Company Insurance Services, 100 California St., San Fran- cisco, CA 94111 MGA International, 419 Park Avenue South, New York, NY 10016 Midland Insurance Co., 160 Water St., New York, N.Y. 10038 United States P&l Agency, Inc., 80 Maiden Lane, New York, NY 10038 JOINER—Watertight Doors—Paneling Advanced Structures Corp , 235 W. Industry Ct„ Deer Park, NY 11729 Bailey Distributors, Inc., 74 Sullivan St., Brooklyn, NY 11231 Isolamin Panels, c/o Consafe, Inc., P.O. Box 40339, Houston, TX 77040 Masonite Commercial Division, Dover, OH 44622 Megadoor Inc., 441 Lexington Ave., Suite 903, New York, NY 10017 Simpson Timber Company, Third & Franklin, Sheton, WA 98584 Walz & Krenzer, Inc., 400 Trabold Road, Rochester, NY 14624 KEEL COOLERS R.W. Fernstrum & Co., 1716 Eleventh Ave., Menominee, Ml 49858 Johnson Rubber Co., Duramax Marine Div., 16025 Johnson St., Middle- field, OH 44062 LIGHTING EQUIPMENT—Lamps, Fixtures, Searchlights ACR Electronics, Inc., P.O. Box 2148, Hollywood, FL 33022 Keuffel & Esser/Kratos, 20 Whippany Rd., Morristown, NJ 07960 Midland-Ross Corp., RussellstoN Division, 530 W. Mt. Pleasant Ave., Liv- ingston, NJ 07039 Oceanic Electrical Mfg. Co., 157 Perry St., New York, NY 10014 Oreck Corp., 100 Plantation Rd , New Orleans, LA 70123 Perko Inc., P.O. Box 6400D, Miami, Florida 33164 Phoenix Products Company, Inc., 4769 North 27th Street, Milwaukee, Wl 53209 Port Electric Supply Corp., 248-264 Third St., Elizabeth, NJ 07206-0434 SSAC Inc., P.O. Box 395, Liverpool, NY 13088 LINE BLINDS Stacey/Fetterolf Corp., P.O. Box 103, Skippack, PA 19474 MACHINE TOOLS Republic-Lagun Machine Tool Co., 1000 E. Corson St., Carson, CA 90749 MACHINERY MAINTENANCE, REPAIR, OVERHAUL, AND TESTING AMT Inc., 2400 N.W. 39th Ave., Miami, FL 331 42 Amermarine USA Inc., P.O. Box 9205, Baltimore, MD 21222 American General/Levin Corp., 445 Littlefield Ave., So. San Francisco, CA 94080 Essex Machine Works, Essex, CT 06426 Golten Marine Co., Inc., 60 Van Brunt St., Brooklyn, NY 11231 Jered Brown Brothers Inc., 1300 Coolidge, P.O. Box 2006, Troy, Ml 48007- 2006 Rosan, Inc., 2901 West Coast Hwy., Newport Beach, CA 92663 Scotchman Industries, Inc., P.O. Box 850, Philip, SD 57567-0850 METALS Bayou Steel Corp., P.O. Box 5000, Laplace, LA 70068 Inland Steel Company, 30 West Monroe Street, Chicago, IL 60603 International Grating, Inc., 7625 Parkhurst, Houston, TX 77028 MOORING SYSTEMS Murdock Machine & Engineering Company of Texas, P.O. Box 2278, Irving, TX 75061 Samson Ocean Systems, Inc., 99 High Street, Boston, Mass. 02110 NAME PLATES—BRONZE—ALUMINUM Duramax Metals, Inc., 2401 Wesley Street, Portsmouth, VA 23707 NAVAL ARCHITECTS, MARINE ENGINEERS, SURVEYORS Adams & Chute, Huntingtown Road, Newtown, CT 06470 Advanced Marine Enterprises, Inc., 1725 Jefferson Davis Highway (Suite 1300), Arlington, VA 22202 Aero Nav Laboratories, Inc., 14-29 112 St., College Point, NY 11356 American Systems Engineering Corp., P.O. Box 4265, Virginia Beach, VA 23454 Amirikian Engineering Co., Chevy Chase Center Bldg., Suite 505, 35 Wis- consin Circle, Chevy Chase, Md. 20015 Art Anderson Associates, 148 First St., Bremerton, WA 98310 B.C. Research, 3650 Wesbrook Mall, Vancouver, B.C., Canada V6S 2L2 Del Breit Inc., 326 Picayune Place (Suite 201), New Orleans, LA 70130 July 1,1984 Circle 278 on Reader Service Card Circle 114 on Reader Service Card 51