Links to: BA- BL, BL-BU
| U | B P OIL | 3614 | 4337 | |
| B | B.M.W. | 356 | 427 | |
| 334101 | BABBITTING (MANUFACTURERS) | 63 | 76 | |
| 564101 | BABY ACCESSORIES | 2638 | 3164 | |
| 564115 | BABY ACCESSORIES-RENTAL | 7 | 8 | |
| 513707 | BABY ACCESSORIES-WHOLESALE | 144 | 173 | |
| 251108 | BABY CARRIAGE SUPPLIES (MANUFACTURERS) | 1 | 1 | |
| 599960 | BABY CARRIAGES & STROLLERS | 161 | 193 | |
| 394403 | BABY CARRIAGES-MANUFACTURERS | 3 | 4 | |
| 735965 | BABY CRIB-RENTAL | 18 | 22 | |
| 514903 | BABY FOODS (WHOLESALE) | 21 | 25 | |
| 729957 | BABY FORMULA SERVICE | 2 | 2 | |
| 251101 | BABY FURNITURE & ACCESSORIES-MFRS | 32 | 38 | |
| 513726 | BABY PRODUCTS-WHOLESALE | 11 | 13 | |
| V | BABY SHOE & MEMENTO PRESERVING | 50 | 60 | |
| 729919 | BABY SITTERS | 240 | 288 | |
| B | BACHELORS DEGREE | 1075 | 1290 | |
| B | BACHELORS DEGREE | 4531 | 5437 | |
| 507410 | BACK FLOW PREVENTION DEVICES (WHOLESALE) | 633 | 760 | |
| 735205 | BACK SUPPORTS | 30 | 36 | |
| 229505 | BACKING CLOTHS-MANUFACTURERS | 2 | 2 | |
| 829950 | BACKPACKING & MOUNTAINEERING SCHOOLS | 8 | 10 | |
| 594123 | BACKPACKING & MOUNTAINEERING-EQUIP/SUPL | 527 | 632 | |
| 807105 | BACTERIOLOGISTS | 31 | 37 | |
| 519920 | BADGES (WHOLESALE) | 1088 | 1306 | |
| 399967 | BADGES-MANUFACTURERS | 13 | 16 | |
| 239906 | BADGES-MANUFACTURERS SUPPLIES | 7 | 8 | |
| 509117 | BADMINTON EQUIPMENT & SUPPLIES (WHOL) | 2 | 2 | |
| 355908 | BAG MAKING MACHINERY (MANUFACTURERS) | 4 | 5 | |
| 331504 | BAG TIES (MANUFACTURERS) | 11 | 13 | |
| 546101 | BAGELS | 4189 | 5027 | |
| 205102 | BAGELS-MANUFACTURERS | 32 | 38 | |
| 514940 | BAGELS-WHOLESALE | 19 | 23 | |
| 421223 | BAGGAGE TRANSFER | 15 | 18 | |
| 729992 | BAGGING SERVICE | 1 | 1 | |
| 225905 | BAGGING-COTTON BALE (MANUFACTURERS) | 7 | 8 | |
| 519981 | BAGS-BURLAP & COTTON-USED (WHOLESALE) | 9 | 11 | |
| 519950 | BAGS-BURLAP CANVAS & COTTON (WHOLESALE) | 317 | 380 | |
| 239301 | BAGS-BURLAP CANVAS & COTTON-MFRS | 91 | 109 | |
| 267303 | BAGS-GARBAGE-MANUFACTURERS | 5 | 6 | |
| 511331 | BAGS-INDUSTRIAL & COMMERCIAL (WHOLESALE) | 9 | 11 | |
| 267403 | BAGS-MANUFACTURERS | 92 | 110 | |
| 267401 | BAGS-PAPER (MANUFACTURERS) | 591 | 709 | |
| 267301 | BAGS-PLASTIC (MANUFACTURERS) | 1518 | 1822 | |
| 511313 | BAGS-PLASTIC-WHOLESALE | 73 | 88 | |
| 267402 | BAGS-SPECIALTY (MANUFACTURERS) | 268 | 322 | |
| 511317 | BAGS-SPECIALTY-WHOLESALE | 7 | 8 | |
| 635108 | BAIL COMMISSIONERS | 3 | 4 | |
| 922106 | BAILIFFS | 5 | ||
| 1 | BAKERS | 269 | 323 | |
| 508404 | BAKERS EQUIPMENT (WHOLESALE) | 577 | 692 | |
| 355611 | BAKERS EQUIPMENT-MANUFACTURERS | 20 | 24 | |
| 762905 | BAKERS EQUIPMENT-REPAIRING | 91 | 109 | |
| 508701 | BAKERS SUPPLIES (WHOLESALE) | 679 | 815 | |
| 209905 | BAKERS SUPPLIES-MANUFACTURERS | 104 | 125 | |
| 546103 | BAKERS-CAKE & PIE | 3 | 4 | |
| 546102 | BAKERS-RETAIL | 29592 | 35510 | |
| 514902 | BAKERS-WHOLESALE | 7496 | 8995 | |
| 501333 | BALANCING EQUIPMENT (WHOLESALE) | 40 | 48 | |
| 753927 | BALANCING SERVICE-AUTOMOTIVE | 29 | 35 | |
| 177102 | BALANCING SERVICE-INDUSTRIAL | 442 | 530 | |
| 352305 | BALERS-MANUFACTURERS | 7 | 8 | |
| 356908 | BALING EQUIPMENT & SUPLS-MANUFACTURERS | 6 | 7 | |
| 508316 | BALING EQUIPMENT & SUPPLIES (WHOLESALE) | 363 | 436 | |
| 356298 | BALL & ROLLER BEARING (MANUFACTURERS) | 285 | 342 | |
| 3562 | BALL & ROLLER BEARINGS | 637 | 764 | |
| 505141 | BALL SCREWS & SPLINES (WHOLESALE) | 2 | 2 | |
| 731921 | BALLOON ADVERTISING | 93 | 112 | |
| 799906 | BALLOONS-MANNED | 687 | 824 | |
| 372104 | BALLOONS-MANNED-MANUFACTURERS | 12 | 14 | |
| 509124 | BALLOONS-MANNED-WHOLESALE | 6 | 7 | |
| 594701 | BALLOONS-NOVELTY & TOY | 15922 | 19106 | |
| 306905 | BALLOONS-NOVELTY & TOY-MANUFACTURERS | 65 | 78 | |
| 509201 | BALLOONS-NOVELTY & TOY-WHOLESALE | 353 | 424 | |
| 791102 | BALLROOMS | 522 | 626 | |
| 322902 | BALLS-GLASS (MANUFACTURERS) | 1 | 1 | |
| 395103 | BALLS-PLASTIC (MANUFACTURERS) | 5 | 6 | |
| 339901 | BALLS-STEEL BRONZE ETC (MANUFACTURERS) | 36 | 43 | |
| 594516 | BALSA WOOD | 36 | 43 | |
| 519922 | BAMBOO & WOVEN WOOD PRODUCTS (WHOLESALE) | 33 | 40 | |
| 249905 | BAMBOO-MANUFACTURERS | 1 | 1 | |
| 571944 | BAMBOO-RETAIL | 4 | 5 | |
| 503128 | BAMBOO-WHOLESALE | 4 | 5 | |
| 514808 | BANANAS-WHOLESALE | 24 | 29 | |
| 7929 | BANDS ORCHESTRAS & ACTORS | 21586 | 25903 | |
| 874821 | BANK DESIGNERS & CONSULTANTS | 143 | 172 | |
| 504411 | BANK EQUIPMENT & SUPPLIES (WHOLESALE) | 884 | 1061 | |
| 357801 | BANK EQUIPMENT & SUPPLIES-MANUFACTURERS | 11 | 13 | |
| 738208 | BANK PROTECTIVE EQUIPMENT | 20 | 24 | |
| C | BANKERS LIFE & CASUALTY | 5 | 6 | |
| C | BANKERS LIFE & CASUALTY | 17 | 20 | |
| C | BANKERS LIFE & CASUALTY | 381 | 457 | |
| E | BANKING | 1311 | 1573 | |
| 609915 | BANKING SYSTEMS & SERVICE-ELECTRONIC | 47 | 56 | |
| G | BANKRUPTCY | 14653 | 17584 | |
| 729953 | BANKRUPTCY SERVICE | 508 | 610 | |
| 602101 | BANKS | 70723 | 84868 | |
| 628208 | BANKS-CONSULTING SERVICES | 64 | 77 | |
| 599906 | BANNERS | 2316 | 2779 | |
| 581223 | BANQUET ROOMS | 26880 | 32256 | |
| 581216 | BANQUETS-ARRANGED | 117 | 140 | |
| C | BAPTIST | 74387 | 89264 | |
| 504421 | BAR CODE SCANNING EQUIP & SUPLS (WHOL) | 698 | 838 | |
| 737412 | BAR CODING | 326 | 391 | |
| 507810 | BAR FIXTURES (WHOLESALE) | 404 | 485 | |
| 254202 | BAR FIXTURES-MANUFACTURERS | 42 | 50 | |
| 735976 | BAR RENTAL | 6 | 7 | |
| 829951 | BAR REVIEW COURSES | 34 | 41 | |
| 507813 | BAR SUPPLIES (WHOLESALE) | 555 | 666 | |
| 581224 | BARBECUE | 3614 | 4337 | |
| 508406 | BARBECUE EQUIPMENT & SUPPLIES (WHOL) | 1792 | 2150 | |
| 363101 | BARBECUE EQUIPMENT & SUPPLIES-MFRS | 120 | 144 | |
| 514941 | BARBECUE-WHOLESALE (SAUCE) | 4 | 5 | |
| 724102 | BARBER SCHOOLS | 239 | 287 | |
| 7241 | BARBER SHOPS | 57575 | 69090 | |
| 724101 | BARBERS | 57387 | 68864 | |
| 508705 | BARBERS EQUIPMENT & SUPPLIES (WHOLESALE) | 1529 | 1835 | |
| 399909 | BARBERS EQUIPMENT & SUPPLIES-MFRS | 113 | 136 | |
| 444901 | BARGE LINES & TERMINALS | 234 | 281 | |
| 373102 | BARGES (MANUFACTURERS) | 203 | 244 | |
| 449907 | BARGES-LEASED | 50 | 60 | |
| 526121 | BARK | 313 | 376 | |
| 508321 | BARN EQUIPMENT (WHOLESALE) | 105 | 126 | |
| 352306 | BARN EQUIPMENT-MANUFACTURERS | 9 | 11 | |
| 154219 | BARNS | 88 | 106 | |
| Q | BAROMETERS | 23 | 28 | |
| 508595 | BARREL SERVICING EQUIPMENT (WHOLESALE) | 1 | 1 | |
| 242903 | BARREL-MANUFACTURERS EQUIP/SUPLS (MFRS) | 6 | 7 | |
| 341201 | BARRELS & DRUMS (MANUFACTURERS) | 548 | 658 | |
| 508556 | BARRELS & DRUMS-EQUIPMENT & SUPLS (WHOL) | 35 | 42 | |
| 508579 | BARRELS & DRUMS-FIBER (WHOLESALE) | 17 | 20 | |
| 308914 | BARRELS & DRUMS-PLASTIC (MANUFACTURERS) | 16 | 19 | |
| 509302 | BARRELS & DRUMS-USED (WHOLESALE) | 126 | 151 | |
| 244903 | BARRELS & DRUMS-WOODEN (MANUFACTURERS) | 11 | 13 | |
| 738918 | BARRICADES | 588 | 706 | |
| 349920 | BARRICADES-MANUFACTURERS | 9 | 11 | |
| 581301 | BARS | 44654 | 53585 | |
| 736102 | BARTENDING SERVICE | 243 | 292 | |
| 623101 | BARTER & TRADE EXCHANGE | 524 | 629 | |
| 275933 | BASEBALL & TRADING CARDS-MANUFACTURERS | 6 | 7 | |
| 799908 | BASEBALL BATTING RANGES | 991 | 1189 | |
| 799708 | BASEBALL CLUBS | 1301 | 1561 | |
| 162923 | BASEBALL DIAMOND CONSTRUCTION | 4 | 5 | |
| 509153 | BASEBALL EQUIPMENT & SUPPLIES (WHOL) | 9 | 11 | |
| C | BASEBALL SCHOOLS | 46 | 55 | |
| 599993 | BASEBALL SPORTS CARDS & MEMORABILIA | 6587 | 7904 | |
| 179940 | BASEMENT WATERPROOFING | 6 | 7 | |
| 152128 | BASEMENT-REPAIR & RESTORATION | 56 | 67 | |
| 794103 | BASKETBALL CLUBS | 149 | 179 | |
| 154208 | BASKETBALL COURT CONSTRUCTION | 11 | 13 | |
| 509154 | BASKETBALL EQUIPMENT & SUPPLIES (WHOL) | 35 | 42 | |
| 594515 | BASKETS | 1022 | 1226 | |
| 249906 | BASKETS-MANUFACTURERS | 68 | 82 | |
| 593236 | BASKETS-USED | 1 | 1 | |
| 519943 | BASKETS-WHOLESALE | 238 | 286 | |
| B | BASKIN-ROBBINS | 2217 | 2660 | |
| 353120 | BATCHING EQUIPMENT (MANUFACTURERS) | 9 | 11 | |
| 571934 | BATH EQUIPMENT & SUPPLIES | 530 | 636 | |
| 326102 | BATH EQUIPMENT & SUPPLIES-MANUFACTURERS | 13 | 16 | |
| 507424 | BATH EQUIPMENT & SUPPLIES-WHOLESALE | 10 | 12 | |
| F | BATH HOUSES | 8 | 10 | |
| 799907 | BATHING BEACHES | 14 | 17 | |
| 225304 | BATHING SUIT MATERIALS (MANUFACTURERS) | 2 | 2 | |
| 569931 | BATHING SUITS & ACCESSORIES | 86 | 103 | |
| 225303 | BATHING SUITS-MANUFACTURERS | 4 | 5 | |
| 326101 | BATHROOM ACCESSORIES-MANUFACTURERS | 185 | 222 | |
| 571923 | BATHROOM FIXTURES & ACCESSORIES-RETAIL | 2301 | 2761 | |
| 502101 | BATHROOM FIXTURES & ACCESSORIES-WHOL | 148 | 178 | |
| 152113 | BATHROOM REMODELING | 7887 | 9464 | |
| 799910 | BATHS-BATH HOUSES SPAS & SAUNAS | 247 | 296 | |
| 769985 | BATHTUBS & SINKS-REPAIRING & REFINISHING | 1558 | 1870 | |
| 829922 | BATON TWIRLING INSTRUCTION | 259 | 311 | |
| 369201 | BATTERIES-DRY CELL-MANUFACTURERS | 112 | 134 | |
| 506323 | BATTERIES-DRY CELL-WHOLESALE | 451 | 541 | |
| 369101 | BATTERIES-MANUFACTURERS | 698 | 838 | |
| 553116 | BATTERIES-STORAGE-RETAIL | 7194 | 8633 | |
| 506325 | BATTERIES-STORAGE-WHOLESALE | 1898 | 2278 | |
| 506381 | BATTERY BACK-UP SYSTEMS (WHOLESALE) | 17 | 20 | |
| 506342 | BATTERY CHARGING EQUIPMENT (WHOLESALE) | 373 | 448 | |
| 369402 | BATTERY CHARGING EQUIPMENT-MANUFACTURERS | 37 | 44 | |
| 762935 | BATTERY CHARGING EQUIPMENT-REPAIRING | 19 | 23 | |
| 506345 | BATTERY REPAIRING & REBUILDING (WHOL) | 247 | 296 | |
| 553115 | BATTERY SUPPLIES | 202 | 242 | |
| 501346 | BATTERY SUPPLIES-WHOLESALE | 8 | 10 | |
| 229912 | BATTING (QUILTING MATERIAL-MFRS) | 17 | 20 | |
| 2789 | BBOKBINDING & RELATED WORK | 3634 | 4361 | |
| 799714 | BEACH & CABANA CLUBS | 22 | 26 | |
| 569978 | BEACH SUPPLIES | 65 | 78 | |
| 763104 | BEAD STRINGING | 32 | 38 | |
| 539903 | BEAD STRINGS | 1 | 1 | |
| 509410 | BEADS (WHOLESALE) | 1139 | 1367 | |
| 243903 | BEAMS (MANUFACTURERS) | 7 | 8 | |
| 515304 | BEAN BROKERS & DEALERS | 151 | 181 | |
| 072313 | BEAN CLEANING | 14 | 17 | |
| 422103 | BEAN ELEVATORS | 28 | 34 | |
| 072314 | BEAN MILLS | 1 | 1 | |
| 203402 | BEANS PEAS LENTILS & ETC-DRIED (MFRS) | 28 | 34 | |
| 508525 | BEARINGS (WHOLESALE) | 2795 | 3354 | |
| 356201 | BEARINGS-MANUFACTURERS | 354 | 425 | |
| 371420 | BEARINGS-REBABBITTING | 13 | 16 | |
| 874119 | BEAUTY SALON MANAGEMENT | 2 | 2 | |
| 723106 | BEAUTY SALONS | 220884 | 265061 | |
| 508702 | BEAUTY SALONS-EQUIPMENT & SUPLS (WHOL) | 9239 | 11087 | |
| 399910 | BEAUTY SALONS-EQUIPMENT & SUPPLIES-MFRS | 1539 | 1847 | |
| 723105 | BEAUTY SCHOOLS | 2232 | 2678 | |
| 7231 | BEAUTY SHOPS | 248520 | 298224 | |
| 769951 | BEAUTY SUPPLIES & EQUIPMENT-REPAIRING | 131 | 157 | |
| 701107 | BED & BREAKFAST ACCOMMODATIONS | 11768 | 14122 | |
| 504734 | BED BOARDS (WHOLESALE) | 2 | 2 | |
| 251404 | BED FRAMES-METAL (MANUFACTURERS) | 17 | 20 | |
| 571226 | BED HEADBOARDS | 6 | 7 | |
| 251507 | BED SPRINGS-MANUFACTURERS | 24 | 29 | |
| 502125 | BED SPRINGS-WHOLESALE | 22 | 26 | |
| 809935 | BED WETTING CONTROL SYSTEMS | 17 | 20 | |
| 571210 | BEDDING | 3421 | 4105 | |
| 251502 | BEDDING-MANUFACTURERS | 79 | 95 | |
| 251508 | BEDDING-MANUFACTURERS SUPPLIES (MFRS) | 47 | 56 | |
| 502304 | BEDDING-WHOLESALE | 15 | 18 | |
| 571224 | BEDS-DISAPPEARING | 56 | 67 | |
| 504717 | BEDS-HOSPITAL (WHOLESALE) | 196 | 235 | |
| 571906 | BEDSPREADS | 688 | 826 | |
| 239206 | BEDSPREADS-MANUFACTURERS | 133 | 160 | |
| 502303 | BEDSPREADS-WHOLESALE | 188 | 226 | |
| 735943 | BEDS-RENTING | 597 | 716 | |
| 571209 | BEDS-RETAIL | 2296 | 2755 | |
| 502115 | BEDS-WHOLESALE | 78 | 94 | |
| 734210 | BEE REMOVAL | 184 | 221 | |
| 0211 | BEEF CATTLE FEEDLOTS | 974 | 1169 | |
| 0212 | BEEF CATTLE-EXCEPT FEEDLOTS | 334 | 401 | |
| 027902 | BEEKEEPERS | 363 | 436 | |
| 519107 | BEEKEEPERS SUPPLIES (WHOLESALE) | 163 | 196 | |
| 481206 | BEEPERS | 2851 | 3421 | |
| 5181 | BEER & ALE | 4082 | 4898 | |
| 592104 | BEER & ALE-RETAIL | 7684 | 9221 | |
| 518101 | BEER & ALE-WHOLESALE | 4082 | 4898 | |
| W | BEER COIL CLEANING & EQUIPMENT | 17 | 20 | |
| 507812 | BEER DISPENSING & COOLING EQUIP (WHOL) | 179 | 215 | |
| M | BEER DISPENSING & COOLING EQUIPMENT REPA | 38 | 46 | |
| 208202 | BEER/ALE BRWRS/DISTR-NON-ALCOHOLIC (MFR) | 33 | 40 | |
| 599958 | BEER-HOMEBREWING EQUIPMENT & SUPPLIES | 866 | 1039 | |
| 284206 | BEESWAX (MANUFACTURERS) | 7 | 8 | |
| 2063 | BEET SUGAR | 46 | 55 | |
| 206398 | BEET SUGAR (MANUFACTURERS) | 46 | 55 | |
| D | BEHLEN BUILDING SYSTEMS | 94 | 113 | |
| 3 | BEKINS | 337 | 404 | |
| 342901 | BELLOWS (MANUFACTURERS) | 38 | 46 | |
| 508527 | BELTING & BELTING SUPPLIES (WHOLESALE) | 1037 | 1244 | |
| 305202 | BELTING & BELTING SUPPLIES-MANUFACTURERS | 169 | 203 | |
| 569903 | BELTS & SUSPENDERS | 207 | 248 | |
| 238705 | BELTS & SUSPENDERS-MANUFACTURERS | 18 | 22 | |
| 238704 | BELTS & SUSPENDERS-MFRS SUPPLIES-MFRS | 3 | 4 | |
| 513716 | BELTS-APPAREL-WHOLESALE | 40 | 48 | |
| 238703 | BELTS-MANUFACTURERS SUPPLIES | 60 | 72 | |
| 238701 | BELTS-MENS-MANUFACTURERS | 14 | 17 | |
| 238702 | BELTS-WOMENS-MANUFACTURERS | 41 | 49 | |
| 242606 | BENCH DRAWERS & LEGS-MANUFACTURERS | 2 | 2 | |
| 571967 | BENCH DRAWERS & LEGS-RETAIL | 1 | 1 | |
| 502126 | BENCH DRAWERS & LEGS-WHOLESALE | 1 | 1 | |
| 502120 | BENCHES & WORK TABLES (WHOLESALE) | 60 | 72 | |
| 253104 | BENCHES-SEATING (MANUFACTURERS) | 67 | 80 | |
| 354205 | BENDING MACHINERY (MANUFACTURERS) | 29 | 35 | |
| A | BENJAMIN MOORE | 2632 | 3158 | |
| 145902 | BENTONITE | 40 | 48 | |
| 0171 | BERRY CROPS | 44 | 53 | |
| 333903 | BERYLLIUM (MANUFACTURERS) | 13 | 16 | |
| A | BEST WESTERN | 1986 | 2383 | |
| 861108 | BETTER BUSINESS BUREAUS | 4 | 5 | |
| 7 | BETTER HOMES & GARDENS | 1228 | 1474 | |
| 1 | BETTER HOMES REALTY | 103 | 124 | |
| 507816 | BEVERAGE COOLERS (WHOLESALE) | 31 | 37 | |
| 507814 | BEVERAGE DISPENSING EQUIP/SUPLS (WHOL) | 1114 | 1337 | |
| 358503 | BEVERAGE DISPENSING EQUIP/SUPLS-MFRS | 133 | 160 | |
| J | BEVERAGE DISPENSING EQUIPMENT REPAIRING | 24 | 29 | |
| 208702 | BEVERAGE POWDERS (MANUFACTURERS) | 6 | 7 | |
| 514937 | BEVERAGES (WHOLESALE) | 3325 | 3990 | |
| 596312 | BEVERAGES-HOME DELIVERY | 8 | 10 | |
| 208604 | BEVERAGES-MANUFACTURERS | 86 | 103 | |
| 581225 | BEVERAGES-NON-ALCOHOLIC-RETAIL | 1699 | 2039 | |
| 703207 | BIBLE CAMPS | 2 | 2 | |
| 866102 | BIBLE SCHOOLS & STUDY | 482 | 578 | |
| 594202 | BIBLES | 1772 | 2126 | |
| 519204 | BIBLES-WHOLESALE | 1 | 1 | |
| 569981 | BIBS-ADULT | 1 | 1 | |
| 594142 | BICYCLE RACKS & SECURITY SYSTEMS | 267 | 320 | |
| 472507 | BICYCLE TOURS | 85 | 102 | |
| 594141 | BICYCLES-DEALERS | 8211 | 9853 | |
| 593232 | BICYCLES-DEALERS-USED | 42 | 50 | |
| 375102 | BICYCLES-MANUFACTURERS | 125 | 150 | |