Links To: MA-ME, ME-MY
| SIC | C | Description | Quantity | DBG |
| 017301 | MACADAMIA NUTS | 26 | 31 | |
| 209801 | MACARONI (MANUFACTURERS) | 29 | 35 | |
| 355614 | MACARONI MACHINERY (MANUFACTURERS) | 5 | 6 | |
| 514114 | MACARONI PRODUCTS (WHOLESALE) | 2 | 2 | |
| 209898 | MACARONI SPAGHETTI & NOODLES (MFRS) | 141 | 169 | |
| 2098 | MACARONI SPAGHETTI VERMICELLI & NOODLES | 326 | 391 | |
| 177114 | MACHINE FOUNDATIONS | 4 | 5 | |
| 346909 | MACHINE PARTS-MANUFACTURERS | 132 | 158 | |
| 359908 | MACHINE SHOP EQUIPMENT (MANUFACTURERS) | 15 | 18 | |
| 508434 | MACHINE SHOP SUPPLIES (WHOLESALE) | 139 | 167 | |
| 359903 | MACHINE SHOPS | 37172 | 44606 | |
| 873413 | MACHINE SHOPS-EXPERIMENTAL | 147 | 176 | |
| 508425 | MACHINE TOOLS (WHOLESALE) | 2997 | 3596 | |
| E | MACHINE TOOLS USED | 70 | 84 | |
| 871167 | MACHINE TOOLS-DESIGNERS & CONSULTANTS | 84 | 101 | |
| 354107 | MACHINE TOOLS-MANUFACTURERS | 3077 | 3692 | |
| 3541 | MACHINE TOOLS-METAL CUTTING TYPES | 4027 | 4832 | |
| 3542 | MACHINE TOOLS-METAL FORMING TYPES | 1136 | 1363 | |
| 508469 | MACHINE TOOLS-REPAIRING/REBLDG (WHOL) | 787 | 944 | |
| 769989 | MACHINERY-CLEANING | 50 | 60 | |
| 871141 | MACHINERY-DESIGNING | 37 | 44 | |
| 353101 | MACHINERY-MANUFACTURERS | 138 | 166 | |
| 179604 | MACHINERY-MOVERS & ERECTORS | 1391 | 1669 | |
| 508427 | MACHINERY-NEW (WHOLESALE) | 2326 | 2791 | |
| 508471 | MACHINERY-REBUILDING & REPAIRING (WHOL) | 1656 | 1987 | |
| 735303 | MACHINERY-RENTING | 36 | 43 | |
| 359905 | MACHINERY-SPECIALLY DESIGNED & BUILT | 1869 | 2243 | |
| 508524 | MACHINERY-USED (WHOLESALE) | 1071 | 1285 | |
| 5 | MACK | 233 | 280 | |
| 594906 | MACRAME SUPPLIES | 7 | 8 | |
| 229907 | MACRAME-MANUFACTURERS | 2 | 2 | |
| 509215 | MACRAME-WHOLESALE | 4 | 5 | |
| 519206 | MAGAZINES-BACK NUMBER (WHOLESALE) | 64 | 77 | |
| 599402 | MAGAZINES-DEALERS | 2838 | 3406 | |
| 519201 | MAGAZINES-DISTRIBUTORS | 625 | 750 | |
| 596303 | MAGAZINES-SUBSCRIPTION AGENTS | 347 | 416 | |
| 593213 | MAGAZINES-USED & RARE | 37 | 44 | |
| 792904 | MAGICIANS | 1096 | 1315 | |
| 594506 | MAGICIANS SUPPLIES | 383 | 460 | |
| 399973 | MAGICIANS SUPPLIES-MANUFACTURERS | 3 | 4 | |
| 516961 | MAGNESITE (WHOLESALE) | 21 | 25 | |
| 349702 | MAGNESIUM & MAGNESIUM PRODUCTS (MFRS) | 21 | 25 | |
| 3695 | MAGNETIC & OPTICAL RECORDING MEDIA | 321 | 385 | |
| 6 | MAGNETIC INSPECTION EQUIPMENT | 16 | 19 | |
| 807112 | MAGNETIC RESONANCE IMAGING | 313 | 376 | |
| 369598 | MAGNETIC/OPTICAL RECORDING MEDIA (MFRS) | 135 | 162 | |
| 501323 | MAGNETOS (WHOLESALE) | 147 | 176 | |
| 509916 | MAGNETS & MAGNETIC DEVICES (WHOLESALE) | 351 | 421 | |
| 326401 | MAGNETS-PERMANENT-CERAMIC-FERRITE-MFRS | 21 | 25 | |
| 382701 | MAGNIFYING GLASSES (MANUFACTURERS) | 201 | 241 | |
| 734923 | MAID & BUTLER SERVICE | 3396 | 4075 | |
| E | MAIL BAGS | 2 | 2 | |
| 3 | MAIL BOX | 3 | 4 | |
| 507217 | MAIL BOXES (WHOLESALE) | 445 | 534 | |
| 1 | MAIL BOXES ETC USA | 43 | 52 | |
| 346905 | MAIL BOXES-MANUFACTURERS | 91 | 109 | |
| 729982 | MAIL BOXES-RETAIL | 334 | 401 | |
| 738971 | MAIL BOX-RENTALS | 2924 | 3509 | |
| 344401 | MAIL CHUTES (MANUFACTURERS) | 2 | 2 | |
| 2 | MAIL DEPOT | 5 | 6 | |
| 596102 | MAIL ORDER & CATALOG SHOPPING | 5138 | 6166 | |
| 596103 | MAIL ORDER FULFILLMENT SERVICE | 85 | 102 | |
| 729918 | MAIL RECEIVING SERVICE | 2285 | 2742 | |
| 4 | MAIL ROOM | 1 | 1 | |
| 733102 | MAIL SORTING SERVICE | 142 | 170 | |
| 733101 | MAILING & SHIPPING SERVICES | 8168 | 9802 | |
| 265502 | MAILING CONTAINERS (MANUFACTURERS) | 80 | 96 | |
| 511334 | MAILING CONTAINERS-WHOLESALE | 1 | 1 | |
| 733104 | MAILING LISTS | 1916 | 2299 | |
| 504415 | MAILING MACHINES & EQUIPMENT (WHOLESALE) | 856 | 1027 | |
| 357907 | MAILING MACHINES & EQUIPMENT-MFRS | 124 | 149 | |
| 154227 | MAINTENANCE-GENERAL REPAIR | 87 | 104 | |
| E | MAJOR | 6 | 7 | |
| 569953 | MAJORETTE SUPPLIES | 1 | 1 | |
| 723108 | MAKE-UP STUDIOS | 658 | 790 | |
| 284402 | MAKE-UP-MASQUERADE & THEATRICAL-MFRS | 2 | 2 | |
| 599998 | MAKE-UP-MASQUERADE & THEATRICAL-RETAIL | 127 | 152 | |
| 512216 | MAKE-UP-MASQUERADE & THEATRICAL-WHOL | 1 | 1 | |
| M | MAKITA | 1225 | 1470 | |
| 3322 | MALLEABLE IRON FOUNDRIES | 119 | 143 | |
| 2083 | MALT | 37 | 44 | |
| 208398 | MALT (MANUFACTURERS) | 37 | 44 | |
| 2082 | MALT BEVERAGES | 957 | 1148 | |
| 208298 | MALT BEVERAGES (MANUFACTURERS) | 113 | 136 | |
| 514965 | MALTED MILK (WHOLESALE) | 1 | 1 | |
| 514915 | MALTS & HOPS (WHOLESALE) | 70 | 84 | |
| 801110 | MAMMOGRAPH | 927 | 1112 | |
| 8742 | MANAGEMENT CONSULTING SERVICES | 72632 | 87158 | |
| 6722 | MANAGEMENT INVESTMENT OFFICES OPEN-END | 128 | 154 | |
| 672298 | MANAGEMENT INVESTMENT OPEN-END | 124 | 149 | |
| 874249 | MANAGEMENT RESEARCH | 4 | 5 | |
| 8741 | MANAGEMENT SERVICES | 10667 | 12800 | |
| 874198 | MANAGEMENT SERVICES | 767 | 920 | |
| 829911 | MANAGEMENT TRAINING | 901 | 1081 | |
| 508594 | MANDRELS (WHOLESALE) | 2 | 2 | |
| 332103 | MANHOLE COVERS (MANUFACTURERS) | 59 | 71 | |
| 508767 | MANICURE EQUIPMENT & SUPPLIES (WHOL) | 40 | 48 | |
| 399923 | MANICURE IMPLEMENTS-MANUFACTURERS | 3 | 4 | |
| 723102 | MANICURING | 43505 | 52206 | |
| 2761 | MANIFOLD BUSINESS FORMS | 4965 | 5958 | |
| 2824 | MANMADE ORGANIC FIBERS EX CELLULOSIC | 145 | 174 | |
| 504615 | MANNEQUINS-DISPLAY FIXTURE (WHOLESALE) | 100 | 120 | |
| 174303 | MANTELS | 263 | 316 | |
| 2097 | MANUFACTURED ICE | 594 | 713 | |
| 399903 | MANUFACTURERS | 5921 | 7105 | |
| 509908 | MANUFACTURERS-AGENTS & REPRESENTATIVES | 23078 | 27694 | |
| 285104 | MANUFACTURERS-COATINGS | 57 | 68 | |
| 349606 | MANUFACTURERS-LATH | 1 | 1 | |
| 244102 | MANUFACTURERS-SHIPPING PRODUCTS | 11 | 13 | |
| 352406 | MANUFACTURERS-SNOW REMOVAL EQUIPMENT | 10 | 12 | |
| 379901 | MANUFACTURERS-TRAILERS | 22 | 26 | |
| 343202 | MANUFACTURERS-WATERING SYSTEMS | 5 | 6 | |
| 3999 | MANUFACTURING INDUSTRIES NEC | 12275 | 14730 | |
| 508335 | MANURE HANDLING EQUIP & SYSTEMS (WHOL) | 11 | 13 | |
| 733807 | MANUSCRIPT EDITING | 17 | 20 | |
| 733811 | MANUSCRIPT SERVICE | 23 | 28 | |
| 083101 | MAPLE SUGAR & SYRUP | 109 | 131 | |
| 514948 | MAPLE SUGAR & SYRUP-WHOLESALE | 2 | 2 | |
| 508544 | MAPLE SUGAR-MANUFACTURERS SUPLS (WHOL) | 13 | 16 | |
| 511229 | MAPPING SERVICES (WHOLESALE) | 137 | 164 | |
| 594308 | MAPS-DEALERS | 932 | 1118 | |
| 769964 | MAPS-MOUNTING | 59 | 71 | |
| 511219 | MAPS-PUBLISHERS & DISTRS | 328 | 394 | |
| 174302 | MARBLE & TERRAZZO-CLEANING & SERVICE | 426 | 511 | |
| 174106 | MARBLE CONTRACTORS | 555 | 666 | |
| 328110 | MARBLE CONTRACTORS EQUIP & SUPLS (MFRS) | 9 | 11 | |
| 174305 | MARBLE DECORATORS | 9 | 11 | |
| 503201 | MARBLE-CULTURED (WHOLESALE) | 1114 | 1337 | |
| 521155 | MARBLE-CULTURED-RETAIL | 127 | 152 | |
| 503202 | MARBLE-NATURAL (WHOLESALE) | 2952 | 3542 | |
| 328102 | MARBLE-NATURAL-MANUFACTURERS | 542 | 650 | |
| 521127 | MARBLE-NATURAL-RETAIL | 217 | 260 | |
| 503241 | MARBLE-PRE-CAST (WHOLESALE) | 2 | 2 | |
| 394413 | MARBLES-PLAYING & ETC (MANUFACTURERS) | 2 | 2 | |
| 503203 | MARBLE-SYNTHETIC (WHOLESALE) | 23 | 28 | |
| 569955 | MARCHING UNITS INSTRUCTION & ACCESSORIES | 3 | 4 | |
| 207901 | MARGARINE (MANUFACTURERS) | 11 | 13 | |
| 4493 | MARINAS | 16415 | 19698 | |
| 449306 | MARINAS | 5870 | 7044 | |
| 4491 | MARINE CARGO HANDLING | 1113 | 1336 | |
| 449108 | MARINE CARGO HANDLING | 64 | 77 | |
| 874843 | MARINE CONSULTANTS | 82 | 98 | |
| 162903 | MARINE CONTRACTORS | 1788 | 2146 | |
| 449913 | MARINE DOCUMENTATION | 2 | 2 | |
| 762917 | MARINE ELECTRIC SERVICE | 264 | 317 | |
| 508812 | MARINE ELECTRONIC EQUIP & SUPLS (WHOL) | 687 | 824 | |
| 573122 | MARINE ELECTRONIC EQUIP & SUPLS-RETAIL | 134 | 161 | |
| 366303 | MARINE ELECTRONIC EQUIPMENT & SUPL-MFRS | 106 | 127 | |
| 762944 | MARINE ELECTRONIC EQUIP-REPAIRING & SVC | 26 | 31 | |
| 769991 | MARINE ENGINES-REPAIRING | 43 | 52 | |
| 555113 | MARINE EQUIPMENT & SUPPLIES | 4127 | 4952 | |
| 373204 | MARINE EQUIPMENT & SUPPLIES-MFRS | 122 | 146 | |
| 555110 | MARINE EQUIPMENT & SUPPLIES-REPAIRING | 221 | 265 | |
| 508811 | MARINE EQUIPMENT & SUPPLIES-WHOLESALE | 188 | 226 | |
| 555121 | MARINE EQUIPMENT-USED & REBUILT | 18 | 22 | |
| 381204 | MARINE INSTRUMENTS-MANUFACTURERS | 10 | 12 | |
| 489902 | MARINE OPERATORS | 6 | 7 | |
| 358512 | MARINE REFRIGERATION & AIR COND-MFRS | 19 | 23 | |
| 507818 | MARINE REFRIGERATION/AC-SALES/SVC (WHOL) | 90 | 108 | |
| 449305 | MARINE REPAIRS | 223 | 268 | |
| 874225 | MARINE RESOURCE CONSULTANTS | 43 | 52 | |
| 554106 | MARINE SERVICE STATIONS | 95 | 114 | |
| 448904 | MARINE TRANSPORTATION CONSULTANTS | 43 | 52 | |
| 449203 | MARINE VESSEL MANAGEMENT | 17 | 20 | |
| 449908 | MARINE WAYS | 33 | 40 | |
| 506554 | MARINE-RADIO TELEPHONE EQUIPMENT (WHOL) | 9 | 11 | |
| 481208 | MARINE-RADIO TELEPHONE SERVICE | 27 | 32 | |
| 399971 | MARIONETTES & PUPPETS (MANUFACTURERS) | 6 | 7 | |
| 873204 | MARKET RESEARCH & ANALYSIS | 5337 | 6404 | |
| 874214 | MARKETING CONSULTANTS | 11649 | 13979 | |
| 874213 | MARKETING PROGRAMS & SERVICES | 4865 | 5838 | |
| 514109 | MARKETS & GROCERS EQUIP & SUPLS (WHOL) | 41 | 49 | |
| 541106 | MARKETS-KOSHER | 7 | 8 | |
| 3953 | MARKING DEVICES | 1253 | 1504 | |
| 395303 | MARKING DEVICES (MANUFACTURERS) | 997 | 1196 | |
| 395308 | MARKING DIES (MANUFACTURERS) | 3 | 4 | |
| 999913 | MARKING SERVICE-METAL RUBBER & ETC | 11 | ||
| 764114 | MARQUETRY | 1 | 1 | |
| 832215 | MARRIAGE & FAMILY COUNSELORS | 44031 | 52837 | |
| 729976 | MARRIAGE BROKERS | 9 | 11 | |
| C | MARRIAGE COMMISSIONERS | 5 | 6 | |
| H | MARRIOTT | 289 | 347 | |
| 501221 | MARSH BUGGIES (WHOLESALE) | 6 | 7 | |
| F | MARSHALL'S | 424 | 509 | |
| 799945 | MARTIAL ARTS INSTRUCTION | 7819 | 9383 | |
| 594124 | MARTIAL ARTS SUPPLIES & EQUIPMENT | 1201 | 1441 | |
| 369909 | MASERS (MANUFACTURERS) | 2 | 2 | |
| 238905 | MASKS-MASQUERADE & NOVELTY (MFRS) | 7 | 8 | |
| 384219 | MASKS-PROTECTIVE (MANUFACTURERS) | 15 | 18 | |
| 508209 | MASON CONTRACTORS EQUIP & SUPLS (WHOL) | 906 | 1087 | |
| 354603 | MASON CONTRACTORS EQUIPMENT & SUPLS-MFRS | 3 | 4 | |
| 569956 | MASONIC OUTFITTERS | 3 | 4 | |
| 174101 | MASONRY CONTRACTORS | 11783 | 14140 | |
| 174112 | MASONRY PANELS-PREFABRICATED | 14 | 17 | |
| 1741 | MASONRY STONE SETTING/OTHER STONE WORK | 15186 | 18223 | |
| H | MASONS | 3037 | 3644 | |
| H | MASONS | 483 | 580 | |
| N | MASSACHUSETTS MUTUAL | 2 | 2 | |
| N | MASSACHUSETTS MUTUAL | 38 | 46 | |
| N | MASSACHUSETTS MUTUAL | 470 | 564 | |
| 729963 | MASSAGE | 4621 | 5545 | |
| 504718 | MASSAGE EQUIPMENT & SUPPLIES (WHOLESALE) | 341 | 409 | |
| 829914 | MASSAGE SCHOOLS | 247 | 296 | |
| 729917 | MASSAGE THERAPISTS | 14589 | 17507 | |
| 5 | MASSEY FERGUSON | 23 | 28 | |
| 5 | MASSEY FERGUSON | 249 | 299 | |
| 5 | MASSEY FERGUSON | 305 | 366 | |
| B | MASTECTOMY GARMENTS & APPAREL | 180 | 216 | |
| 249913 | MASTS & SPARS (MANUFACTURERS) | 18 | 22 | |
| 399904 | MATCHES-MFRS ADVERTISING REPRESENTATIVES | 152 | 182 | |
| 519975 | MATCHES-WHOLESALE | 2 | 2 | |
| 473123 | MATERIAL HANDLING EQPT-CERTIFICATION BUR | 2 | 2 | |
| 508426 | MATERIAL HANDLING EQUIPMENT (WHOLESALE) | 4935 | 5922 | |
| 353703 | MATERIAL HANDLING EQUIPMENT-MFRS | 96 | 115 | |
| 769976 | MATERIAL HANDLING EQUIPMENT-SVC & REPAIR | 84 | 101 | |
| 874866 | MATERIAL HANDLING SYSTEMS CONSULTANTS | 46 | 55 | |
| K | MATERNITY | 2 | 2 | |
| K | MATERNITY | 2 | 2 | |
| 562103 | MATERNITY APPAREL | 1571 | 1885 | |
| 233504 | MATERNITY APPAREL-MANUFACTURERS | 17 | 20 | |
| 513737 | MATERNITY APPAREL-WHOLESALE | 41 | 49 | |
| 806903 | MATERNITY SERVICES | 87 | 104 | |
| 562108 | MATERNITY SUPPORTS | 11 | 13 | |
| 829933 | MATHEMATICIANS | 37 | 44 | |
| 275218 | MATRICES (MANUFACTURERS) | 1 | 1 | |
| 502327 | MATS & MATTING (WHOLESALE) | 1118 | 1342 | |
| 306908 | MATS & MATTING-MANUFACTURERS | 142 | 170 | |
| 721807 | MATS & MATTING-RENTING | 13 | 16 | |
| 571312 | MATS & MATTING-RETAIL | 7 | 8 | |
| 571961 | MATTRESS & COMFORTER COVERS | 7 | 8 | |
| 508554 | MATTRESS MAKERS SUPPLIES (WHOLESALE) | 68 | 82 | |
| 251505 | MATTRESS MAKERS SUPPLIES-MANUFACTURERS | 24 | 29 | |
| 571220 | MATTRESSES | 10298 | 12358 | |
| 2515 | MATTRESSES FOUNDATIONS/CONVERTIBLE BEDS | 1120 | 1344 | |
| 251598 | MATTRESSES/FOUNDATIONS/CONV BEDS (MFRS) | 537 | 644 | |
| 251501 | MATTRESSES-MANUFACTURERS | 431 | 517 | |
| 769937 | MATTRESSES-RENOVATING | 125 | 150 | |
| 502111 | MATTRESSES-WHOLESALE | 567 | 680 | |
| 546111 | MATZOS | 4 | 5 | |
| 599991 | MAUSOLEUMS | 1442 | 1730 | |
| 6 | MAYFLOWER | 484 | 581 | |
| 514933 | MAYONNAISE & SALAD DRESSINGS (WHOLESALE) | 31 | 37 | |
| 203503 | MAYONNAISE & SALAD DRESSINGS-MFRS | 39 | 47 | |
| M | MAZDA | 912 | 1094 | |
| K | MC DONALDS | 11148 | 13378 | |
| 1 | MCCULLOCH | 928 | 1114 | |
| 382402 | MEASURES-DRY LIQUID ETC (MANUFACTURERS) | 10 | 12 | |
| 38 | MEASURING & ANALYZING INSTRUMENTS MFRS | 22027 | 26432 | |
| 3829 | MEASURING & CONTROLLING DEVICES NEC | 3070 | 3684 | |
| 3586 | MEASURING & DISPENSING PUMPS | 125 | 150 | |
| 358698 | MEASURING & DISPENSING PUMPS (MFRS) | 105 | 126 | |
| 354501 | MEASURING MACHINES (MANUFACTURERS) | 87 | 104 | |
| 382914 | MEASURING TAPES & RULES (MANUFACTURERS) | 22 | 26 | |
| 382998 | MEASURING/CONTROLLING DEVICES NEC (MFRS) | 2407 | 2888 | |
| 5421 | MEAT & FISH MARKETS | 20713 | 24856 | |
| 514703 | MEAT BROKERS | 317 | 380 | |
| 355601 | MEAT CHOPPERS & GRINDERS (MANUFACTURERS) | 48 | 58 | |
| 201304 | MEAT CURING SERVICE | 37 | 44 | |
| 542104 | MEAT CUTTING SERVICE | 406 | 487 | |
| 514702 | MEAT JOBBERS | 70 | 84 | |
| 542111 | MEAT MARKETS-KOSHER | 55 | 66 | |
| 201101 | MEAT PACKERS | 2715 | 3258 | |
| 508302 | MEAT PACKERS EQUIPMENT & SUPPLIES (WHOL) | 199 | 239 | |
| 2011 | MEAT PACKING PLANTS | 4005 | 4806 | |
| 504639 | MEAT PATTY MOLDING MACHINES (WHOLESALE) | 12 | 14 | |
| 201104 | MEAT PROCESSING | 1352 | 1622 | |
| 504640 | MEAT PROCESSING EQUIPMENT (WHOLESALE) | 79 | 95 | |
| 355602 | MEAT SAWS (MANUFACTURERS) | 12 | 14 | |
| 549931 | MEAT TENDERIZING PREPARATIONS | 1 | 1 | |
| 514711 | MEAT-KOSHER-WHOLESALE | 3 | 4 | |
| 542107 | MEAT-RETAIL | 11644 | 13973 | |
| 5147 | MEATS & MEAT PRODUCTS | 6645 | 7974 | |
| 542117 | MEATS-BARBECUED | 5 | 6 | |
| 514203 | MEATS-FROZEN (WHOLESALE) | 27 | 32 | |
| 514704 | MEAT-WHOLESALE | 4911 | 5893 | |
| 171114 | MECHANICAL CONTRACTORS | 5805 | 6966 | |
| 356898 | MECHANICAL POWER TRANS EQUIP NEC (MFRS) | 592 | 710 | |
| 3568 | MECHANICAL POWER TRANSMISSION EQUIP NEC | 624 | 749 | |
| 809910 | MECHANOTHERAPISTS DM | 14 | 17 | |
| 391104 | MEDALS-DESIGNERS & MANUFACTURERS | 8 | 10 | |
| 731304 | MEDIA BROKERS | 139 | 167 | |
| 731913 | MEDIA BUYING SERVICE | 238 | 286 | |
| 731924 | MEDIA MONITORING | 4 | 5 | |
| M | MEDICAL | 23166 | 27799 | |
| M | MEDICAL | 1147 | 1376 | |
| 632401 | MEDICAL & SURGICAL PLANS | 52 | 62 | |
| 809913 | MEDICAL & SURGICAL SVC ORGANIZATIONS | 2926 | 3511 | |
| 504711 | MEDICAL ALARMS (WHOLESALE)< |