| SIC | C | Description | Quantity | DBG |
| S | CABANAS BEACH & POOL | 23 | 28 | |
| 701115 | CABIN RENTALS | 6 | 7 | |
| 175103 | CABINET MAKERS | 17437 | 20924 | |
| 503120 | CABINET MAKERS EQUIPMENT & SUPLS (WHOL) | 381 | 457 | |
| 342903 | CABINET MAKERS EQUIPMENT & SUPPLIES-MFRS | 53 | 64 | |
| 571236 | CABINETS | 9021 | 10824 | |
| 243401 | CABINETS-MANUFACTURERS | 4319 | 5183 | |
| 251401 | CABINETS-METAL (MANUFACTURERS) | 42 | 50 | |
| 152123 | CABINETS-RESURFACING & REFINISHING | 255 | 306 | |
| 503113 | CABINETS-WHOLESALE | 168 | 202 | |
| 4841 | CABLE & OTHER PAY TV SERVICES | 8107 | 9728 | |
| 335702 | CABLE (MANUFACTURERS) | 232 | 278 | |
| 162314 | CABLE CONDUIT & POLE-CONTRACTORS | 24 | 29 | |
| 306906 | CABLE GRIPS-MANUFACTURERS | 8 | 10 | |
| 179932 | CABLE SPLICING | 137 | 164 | |
| 506537 | CABLE TELEVISION EQUIPMENT-WHOLESALE | 6 | 7 | |
| 162315 | CABLE TELEVISION SYSTEMS-CONTRACTORS | 20 | 24 | |
| 173110 | CABLE/WIRE-INSTALLATION-VOICE/DATA SYST | 213 | 256 | |
| 335703 | CABLES-INSULATED (MANUFACTURERS) | 30 | 36 | |
| 501201 | CABS-TRACTOR TRUCK & ETC (WHOLESALE) | 4 | 5 | |
| 526140 | CACTI | 64 | 77 | |
| 737303 | CAD SYSTEMS & SERVICES | 963 | 1156 | |
| D | CADILLAC | 1559 | 1871 | |
| 333905 | CADMIUM (MANUFACTURERS) | 5 | 6 | |
| 581214 | CAFES | 603 | 724 | |
| 581213 | CAFETERIAS | 582 | 698 | |
| 581238 | CAFETERIAS-INDUSTRIAL-OPERATORS | 13 | 16 | |
| 349615 | CAGES-ANIMAL (MANUFACTURERS) | 39 | 47 | |
| 344318 | CAISSONS (MANUFACTURERS) | 1 | 1 | |
| 162919 | CAISSONS-STRUCTURAL | 40 | 48 | |
| 546106 | CAKE DECORATING | 109 | 131 | |
| 599954 | CAKE DECORATING EQUIPMENT & SUPPLIES | 757 | 908 | |
| 544105 | CAKE DECORATING INSTRUCTION | 108 | 130 | |
| 281910 | CALCIUM CARBONATE (MANUFACTURERS) | 12 | 14 | |
| 516942 | CALCIUM CHLORIDE (WHOLESALE) | 40 | 48 | |
| 3578 | CALCULATING & ACCOUNTING MACHINES | 159 | 191 | |
| 357898 | CALCULATING & ACCOUNTING MACHINES (MFRS) | 84 | 101 | |
| 357802 | CALCULATING & ADDING MACHINES/SUPLS-MFRS | 6 | 7 | |
| 504402 | CALCULATING & ADDING MACHS/SUPLS (WHOL) | 1570 | 1884 | |
| 874845 | CALCULATING CHARTS & TABLES | 4 | 5 | |
| 872104 | CALCULATING SERVICE | 64 | 77 | |
| 735996 | CALCULATING/ADDING MACHINES/SUPL-RENTING | 2 | 2 | |
| 769995 | CALCULATING/ADDING MACHS & SUPLS-SVC/RPR | 38 | 46 | |
| 519925 | CALENDARS (WHOLESALE) | 920 | 1104 | |
| 275212 | CALENDARS-MANUFACTURERS | 112 | 134 | |
| 382503 | CALIBRATION DEVICES (MANUFACTURERS) | 9 | 11 | |
| 873422 | CALIBRATION SERVICES | 297 | 356 | |
| 733607 | CALLIGRAPHERS | 1010 | 1212 | |
| 506517 | CALLING PAGING/SIGNAL EQPT/SYSTS (WHOL) | 3 | 4 | |
| 5946 | CAMERA & PHOTOGRAPHIC SUPPLY STORES | 5058 | 6070 | |
| 556110 | CAMPERS & PICK-UP COACHES-DEALERS | 1275 | 1530 | |
| 501211 | CAMPERS & PICK-UP COACHES-DISTRIBUTORS | 87 | 104 | |
| 379204 | CAMPERS & PICK-UP COACHES-MANUFACTURERS | 51 | 61 | |
| 751904 | CAMPERS & PICK-UP COACHES-RENTING | 51 | 61 | |
| 753916 | CAMPERS & PICK-UP COACHES-REPAIR & SVC | 282 | 338 | |
| 556109 | CAMPERS-SUPPLIES & PARTS | 192 | 230 | |
| 703301 | CAMPGROUNDS | 10099 | 12119 | |
| 874896 | CAMPING CONSULTANTS | 2 | 2 | |
| 594138 | CAMPING EQUIPMENT | 2131 | 2557 | |
| 394912 | CAMPING EQUIPMENT-MANUFACTURERS | 18 | 22 | |
| 735905 | CAMPING EQUIPMENT-RENTING | 2427 | 2912 | |
| 509130 | CAMPING EQUIPMENT-WHOLESALE | 29 | 35 | |
| 703203 | CAMPS | 7276 | 8731 | |
| 703206 | CAMPS-INFORMATION & REFERRAL | 34 | 41 | |
| 501325 | CAMS-GRINDING & CUTTING (WHOLESALE) | 46 | 55 | |
| 354504 | CAMS-MANUFACTURERS | 11 | 13 | |
| 363403 | CAN OPENERS-MANUFACTURERS | 1 | 1 | |
| 305304 | CAN SEALING EQUIPMENT (MANUFACTURERS) | 5 | 6 | |
| 832264 | CANCER INFORMATION | 72 | 86 | |
| 806906 | CANCER TREATMENT CENTERS | 68 | 82 | |
| 599953 | CANDLES | 1629 | 1955 | |
| 399941 | CANDLES-MANUFACTURERS | 164 | 197 | |
| 519941 | CANDLES-MFRS EQUIPMENT & SUPLS (WHOL) | 70 | 84 | |
| 571935 | CANDLESTICKS | 2 | 2 | |
| 519942 | CANDLES-WHOLESALE | 277 | 332 | |
| 514502 | CANDY & CONFECTIONERY-BROKERS | 190 | 228 | |
| 874245 | CANDY & CONFECTIONERY-CONSULTANTS | 2 | 2 | |
| 206401 | CANDY & CONFECTIONERY-MANUFACTURERS | 1645 | 1974 | |
| 355603 | CANDY & CONFECTIONERY-MFRS EQUIP (MFRS) | 42 | 50 | |
| 514508 | CANDY & CONFECTIONERY-MFRS SUPLS (WHOL) | 230 | 276 | |
| 544101 | CANDY & CONFECTIONERY-RETAIL | 7883 | 9460 | |
| 514501 | CANDY & CONFECTIONERY-WHOLESALE | 2534 | 3041 | |
| 544106 | CANDY & COOKIE ARRANGEMENTS | 44 | 53 | |
| 2064 | CANDY & OTHER CONFECTIONERY PRODUCTS | 1646 | 1975 | |
| 544104 | CANDY MAKING SUPPLIES | 189 | 227 | |
| 5441 | CANDY NUT & CONFECTIONERY STORES | 10130 | 12156 | |
| 2061 | CANE SUGAR-EXCEPT REFINING | 87 | 104 | |
| 2062 | CANE SUGAR-REFINING | 179 | 215 | |
| 504716 | CANES (WHOLESALE) | 105 | 126 | |
| 764101 | CANING | 495 | 594 | |
| 521146 | CANING SUPPLIES | 62 | 74 | |
| 341101 | CAN-MANUFACTURERS | 351 | 421 | |
| 354204 | CAN-MANUFACTURERS MACHINERY (MFRS) | 21 | 25 | |
| 2091 | CANNED & CURED FISH & SEAFOODS | 577 | 692 | |
| 209198 | CANNED & CURED FISH & SEAFOODS (MFRS) | 143 | 172 | |
| 2033 | CANNED FRUITS VEGETABLES & PRESERVES | 1244 | 1493 | |
| 2032 | CANNED SPECIALTIES | 454 | 545 | |
| 203298 | CANNED SPECIALTIES (MANUFACTURERS) | 345 | 414 | |
| 203302 | CANNING (MANUFACTURERS) | 935 | 1122 | |
| 508547 | CANNING EQUIPMENT & SUPPLIES (WHOLESALE) | 39 | 47 | |
| 799917 | CANOE TRIP OUTFITTERS | 76 | 91 | |
| 555106 | CANOES | 1353 | 1624 | |
| 799918 | CANOES-RENTAL & CHARTER | 303 | 364 | |
| 8 | CANON | 1563 | 1876 | |
| C | CANON | 363 | 436 | |
| 735984 | CANOPIES-RENTED | 14 | 17 | |
| 508529 | CANS (WHOLESALE) | 296 | 355 | |
| 265505 | CANS-FIBER (MANUFACTURERS) | 12 | 14 | |
| 2394 | CANVAS & RELATED PRODUCTS | 2744 | 3293 | |
| 519948 | CANVAS GOODS (WHOLESALE) | 1357 | 1628 | |
| 239406 | CANVAS GOODS-MANUFACTURERS | 1921 | 2305 | |
| 753218 | CANVAS GOODS-REPAIRING | 22 | 26 | |
| 599952 | CANVAS PRODUCTS | 397 | 476 | |
| 239410 | CANVAS PRODUCTS-CUSTOM MADE | 62 | 74 | |
| 221106 | CANVAS-MANUFACTURERS | 46 | 55 | |
| 519927 | CANVAS-WHOLESALE | 114 | 137 | |
| 506348 | CAPACITORS (WHOLESALE) | 90 | 108 | |
| 367501 | CAPACITORS-MANUFACTURERS | 253 | 304 | |
| 356504 | CAPPING MACHINERY (MANUFACTURERS) | 7 | 8 | |
| 569902 | CAPS & GOWNS | 96 | 115 | |
| 513606 | CAPS (WHOLESALE) | 896 | 1075 | |
| 809949 | CAPTIONING SERVICES-TELEVISION | 33 | 40 | |
| 478901 | CAR LOADING & UNLOADING | 64 | 77 | |
| 411908 | CAR POOL INFORMATION SERVICE | 115 | 138 | |
| 751305 | CAR PULLERS | 7 | 8 | |
| 411904 | CAR SERVICE | 789 | 947 | |
| 754201 | CAR WASHING & POLISHING | 16818 | 20182 | |
| 358904 | CAR WASHING & POLISHING EQUIPMENT-MFRS | 60 | 72 | |
| 754205 | CAR WASHING & POLISHING-COIN OPERATED | 239 | 287 | |
| 508708 | CAR WASHING/POLISHING EQUIP/SUPLS (WHOL) | 1235 | 1482 | |
| 516941 | CARBIDE (WHOLESALE) | 86 | 103 | |
| 364806 | CARBIDE LIGHTS (MANUFACTURERS) | 1 | 1 | |
| 508552 | CARBIDE METALS & PRODUCTS (WHOLESALE) | 127 | 152 | |
| 281911 | CARBIDE METALS & PRODUCTS-MANUFACTURERS | 12 | 14 | |
| 3624 | CARBON & GRAPHITE PRODUCTS | 156 | 187 | |
| 362498 | CARBON & GRAPHITE PRODUCTS (MFRS) | 125 | 150 | |
| 2895 | CARBON BLACK | 51 | 61 | |
| 289501 | CARBON BLACK-MANUFACTURERS | 51 | 61 | |
| 362401 | CARBON BRUSHES-MANUFACTURERS | 40 | 48 | |
| 516947 | CARBON DIOXIDE (WHOLESALE) | 119 | 143 | |
| 873438 | CARBON MONOXIDE TESTING | 3 | 4 | |
| 3955 | CARBON PAPER & INKED RIBBON | 147 | 176 | |
| 511217 | CARBON PAPER (WHOLESALE) | 15 | 18 | |
| 395501 | CARBON PAPER-MANUFACTURERS | 136 | 163 | |
| 754920 | CARBON PETROLEUM | 1 | 1 | |
| 516929 | CARBON PRODUCTS (WHOLESALE) | 88 | 106 | |
| 286902 | CARBON TETRACHLORIDE (MANUFACTURERS) | 3 | 4 | |
| 281904 | CARBON-ACTIVATED (MANUFACTURERS) | 47 | 56 | |
| 516960 | CARBONATORS (WHOLESALE) | 10 | 12 | |
| 516915 | CARBONIC GAS (WHOLESALE) | 364 | 437 | |
| 322102 | CARBOYS (MANUFACTURERS) | 1 | 1 | |
| 753919 | CARBURETORS | 1707 | 2048 | |
| 3592 | CARBURETORS PISTONS & PISTON RINGS | 247 | 296 | |
| 359298 | CARBURETORS PISTONS RINGS/VALVES (MFRS) | 234 | 281 | |
| 359201 | CARBURETORS-MANUFACTURERS | 11 | 13 | |
| 501347 | CARBURETORS-WHOLESALE | 3 | 4 | |
| 347923 | CARD CASES (MANUFACTURERS) | 3 | 4 | |
| 738201 | CARD KEY SYSTEMS | 50 | 60 | |
| 799920 | CARD PLAYING ROOMS | 187 | 224 | |
| 511315 | CARDBOARD (WHOLESALE) | 44 | 53 | |
| C | CARDIOLOGY | 9413 | 11296 | |
| 829961 | CARDIOPULMONARY RESUSCITATION INFO/SVCS | 6 | 7 | |
| 502347 | CARDTABLE COVERS (WHOLESALE) | 1 | 1 | |
| 833106 | CAREER & VOCATIONAL COUNSELING | 3159 | 3791 | |
| 508545 | CARGO & FREIGHT CONTAINERS (WHOLESALE) | 414 | 497 | |
| 244905 | CARGO & FREIGHT CONTAINERS-MANUFACTURERS | 10 | 12 | |
| 508826 | CARGO STABILIZING DEVICES (WHOLESALE) | 40 | 48 | |
| 508711 | CARNIVAL SUPPLIES (WHOLESALE) | 532 | 638 | |
| 799919 | CARNIVALS | 496 | 595 | |
| 175102 | CARPENTERS | 6405 | 7686 | |
| 1751 | CARPENTRY WORK | 32658 | 39190 | |
| S | CARPET & RUG BINDING MACHINES | 40 | 48 | |
| 2 | CARPET & RUG BINDING SERVICES | 92 | 110 | |
| 721704 | CARPET & RUG CLEANERS | 31206 | 37447 | |
| 358201 | CARPET & RUG CLEANING EQUIP & SUPLS-MFRS | 11 | 13 | |
| 508710 | CARPET & RUG CLEANING EQUIP/SUPLS (WHOL) | 1025 | 1230 | |
| 735944 | CARPET & RUG CLEANING EQUIPMENT-RENTAL | 2011 | 2413 | |
| 571305 | CARPET & RUG DEALERS-NEW | 32495 | 38994 | |
| 571304 | CARPET & RUG DEALERS-ORIENTAL | 325 | 390 | |
| 593206 | CARPET & RUG DEALERS-USED | 567 | 680 | |
| 502343 | CARPET & RUG PADS LININGS & ACCES-WHOL | 51 | 61 | |
| 721702 | CARPET & RUG REPAIRING | 1870 | 2244 | |
| 502307 | CARPET & RUG-DISTRIBUTORS | 2035 | 2442 | |
| 721703 | CARPET & RUG-DYERS | 665 | 798 | |
| 571311 | CARPET & RUG-FINISHING | 9 | 11 | |
| 227303 | CARPET & RUG-MANUFACTURERS | 997 | 1196 | |
| 175209 | CARPET & RUG-MEASURING SERVICE | 26 | 31 | |
| 229910 | CARPET & RUG-PADS & LININGS-MFRS | 22 | 26 | |
| 571303 | CARPET & RUG-PADS LININGS & ACCESSORIES | 619 | 743 | |
| 735946 | CARPET & RUG-RENTING | 74 | 89 | |
| 422611 | CARPET & RUG-STORAGE | 2 | 2 | |
| 227301 | CARPET & RUG-WEAVERS | 78 | 94 | |
| 7217 | CARPET & UPHOLSTERY CLEANING | 32983 | 39580 | |
| 721708 | CARPET & UPHOLSTERY PROTECTIVE SERVICE | 34 | 41 | |
| 175206 | CARPET LAYERS | 3892 | 4670 | |
| 508712 | CARPET LAYERS EQUIPMENT & SUPLS (WHOL) | 726 | 871 | |
| 342312 | CARPET LAYERS EQUIPMENT & SUPPLIES-MFRS | 1 | 1 | |
| 571922 | CARPET SWEEPERS | 22 | 26 | |
| 571302 | CARPET WORKROOMS | 199 | 239 | |
| 2273 | CARPETS & RUGS | 1085 | 1302 | |
| 152104 | CARPORTS | 1689 | 2027 | |
| 344802 | CARPORTS-MANUFACTURERS | 19 | 23 | |
| 503130 | CARPORTS-WHOLESALE | 12 | 14 | |
| 478903 | CARRIAGES-HORSE | 367 | 440 | |
| E | CARRIER | 2176 | 2611 | |
| E | CARRIER | 1114 | 1337 | |
| E | CARRIER | 5462 | 6554 | |
| E | CARRIER | 847 | 1016 | |
| E | CARRIER | 493 | 592 | |
| 559914 | CARS-MINI | 5 | 6 | |
| 421206 | CARTAGE | 6 | 7 | |
| 504638 | CARTS (DISPLAY-WHOLESALE) | 28 | 34 | |
| 559901 | CARTS-MOTORIZED | 970 | 1164 | |
| C | CARVEL ICE CREAM BAKERY | 389 | 467 | |
| 7542 | CARWASHES | 27588 | 33106 | |
| 6 | CASE INTERNATIONAL | 244 | 293 | |
| 6 | CASE INTERNATIONAL | 539 | 647 | |
| 202302 | CASEIN (MANUFACTURERS) | 3 | 4 | |
| 594807 | CASES | 128 | 154 | |
| 316102 | CASES-CARRYING-MANUFACTURERS | 37 | 44 | |
| 9 | CASEY'S GENERAL STORE | 803 | 964 | |
| 9 | CASEY'S GENERAL STORE | 180 | 216 | |
| 609913 | CASH CARDS & OTHER CASH PLANS | 6 | 7 | |
| 357804 | CASH DRAWERS (MANUFACTURERS) | 19 | 23 | |
| 0119 | CASH GRAINS NEC | 28 | 34 | |
| 011999 | CASH GRAINS NEC | 28 | 34 | |
| 504427 | CASH REGISTERS & SUPLS-REPAIRING (WHOL) | 37 | 44 | |
| 504412 | CASH REGISTERS & SUPPLIES (WHOLESALE) | 2966 | 3559 | |
| 357803 | CASH REGISTERS & SUPPLIES-MANUFACTURERS | 6 | 7 | |
| H | CASH REGISTERS RENTING & LEASING | 5 | 6 | |
| 509939 | CASINO EQUIPMENT & SUPPLIES (WHOLESALE) | 69 | 83 | |
| 829962 | CASINO GAMBLING INSTRUCTION | 7 | 8 | |
| 411910 | CASINO TRANSPORTATION | 66 | 79 | |
| 799302 | CASINOS | 1275 | 1530 | |
| 508778 | CASKET FABRICS & ACCESSORIES (WHOLESALE) | 1 | 1 | |
| 508714 | CASKETS (WHOLESALE) | 674 | 809 | |
| 342918 | CASKETS-HARDWARE (MANUFACTURERS) | 3 | 4 | |
| 399502 | CASKETS-MANUFACTURERS | 33 | 40 | |
| 507204 | CASTERS & GLIDES (WHOLESALE) | 623 | 748 | |
| 342916 | CASTERS & GLIDES-MANUFACTURERS | 17 | 20 | |
| 781913 | CASTING DIRECTORS | 187 | 224 | |
| 336502 | CASTINGS-ALUMINUM (MANUFACTURERS) | 139 | 167 | |
| 336603 | CASTINGS-BRONZE | 26 | 31 | |
| 336604 | CASTINGS-CENTRIFUGAL | 12 | 14 | |
| 332501 | CASTINGS-FERROUS METALS (MANUFACTURERS) | 105 | 126 | |
| 505120 | CASTINGS-INVESTMENT (WHOLESALE) | 78 | 94 | |
| 332106 | CASTINGS-IRON (MANUFACTURERS) | 59 | 71 | |
| 336903 | CASTINGS-METALS | 463 | 556 | |
| 769208 | CASTINGS-REPAIRING | 20 | 24 | |
| 332505 | CASTINGS-STEEL (MANUFACTURERS) | 23 | 28 | |
| 505133 | CASTINGS-WHOLESALE | 6 | 7 | |
| 5961 | CATALOG & MAIL-ORDER HOUSES | 5581 | 6697 | |
| 274103 | CATALOG COMPILERS | 307 | 368 | |
| 596101 | CATALOG SHOWROOMS | 428 | 514 | |
| 281901 | CATALYSTS (MANUFACTURERS) | 83 | 100 | |
| 327210 | CATCH BASIN COVERS (MANUFACTURERS) | 11 | 13 | |
| 581212 | CATERERS | 44274 | 53129 | |
| 508713 | CATERERS EQUIPMENT & SUPPLIES (WHOL) | 349 | 419 | |
| 265615 | CATERERS EQUIPMENT & SUPPLIES-MFRS | 2 | 2 | |
| 735945 | CATERERS SUPPLIES-RENTING | 41 | 49 | |
| 581239 | CATERING-KOSHER | 32 | 38 | |
| A | CATERPILLAR | 218 | 262 | |
| 8 | CATERPILLAR | 393 | 472 | |
| 8 | CATERPILLAR | 70 | 84 | |
| 8 | CATERPILLAR | 56 | 67 | |
| A | CATERPILLAR | 586 | 703 | |
| D | CATERPILLAR | 235 | 282 | |
| E | CATHOLIC | 17558 | 21070 | |
| 027901 | CATS | 289 | 347 | |
| 075223 | CATS-PRODUCTS & SERVICES | 68 | 82 | |
| 075106 | CATTLE BRANDING | 4 | 5 | |
| 515406 | CATTLE COMPANIES | 13 | 16 | |
| 344611 | CATTLE GUARDS (MANUFACTURERS) | 18 | 22 | |
| 021202 | CATTLE RANCHES | 54 | 65 | |
| 021203 | CATTLE-REGISTERED | 3 | 4 | |
| 179931 | CAULKING CONTRACTORS | 579 | 695 | |
| 503210 | CAULKING MATERIALS & EQUIPMENT (WHOL) | 279 | 335 | |
| 289102 | CAULKING MATERIALS & EQUIPMENT-MFRS | 36 | 43 | |
| 594154 | CAVE EXPLORATION EQUIPMENT & SUPPLIES | 6 | 7 | |
| 542110 | CAVIAR | 42 | 50 | |
| 737107 | CD ROM SERVICES | 99 | 119 | |
| 503148 | CEDAR PRODUCTS (WHOLESALE) | 10 | 12 | |
| 734914 | CEILING CLEANING | 644 | 773 | |
| 521125 | CEILING MATERIALS | 385 | 462 | |
| 344407 | CEILING MATERIALS-MANUFACTURERS | 11 | 13 | |
| 503115 | CEILING MATERIALS-WHOLESALE | 21 | 25 | |
| 176102 | CEILINGS | 1663 | 1996 | |
| 792914 | CELEBRITY BROKERS | 7 | 8 | |
| 308103 | CELLOPHANE/CELLULOSE MTRLS/PRODS (MFRS) | 49 | 59 | |
| 481207 | CELLULAR TELEPHONES (SERVICES) | 6814 | 8177 | |
| G | CELLULAR TELEPHONES RENTING/LEASING | 49 | 59 | |
| 599902 | CELLULAR TELEPHONES-EQUIPMENT & SUPLS | 9142 | 10970 | |
| 762931 | CELLULAR TELEPHONES-SERVICE & REPAIR | 406 | 487 | |
| 2823 | CELLULOSIC MANMADE FIBERS | 65 | 78 | |
| 282398 | CELLULOSIC MANMADE FIBERS (MFRS) | 63 | 76 | |
| 503242 | CEMENT-ACID RESISTANT (WHOLESALE) | 3 | 4 | |
| 177115 | CEMENT-ASBESTOS | 6 | 7 | |
| 3241 | CEMENT-HYDRAULIC | 442 | 530 | |
| 324101 | CEMENT-MANUFACTURERS | 442 | 530 | |
| 521160 | CEMENT-PORTLAND-RETAIL | 9 | 11 | |
| 503228 | CEMENT-PORTLAND-WHOLESALE | 14 | 17 | |
| 521152 | CEMENT-RETAIL | 504 | 605 | |
| 503209 | CEMENT-WHOLESALE | 572 | 686 | |
| 655302 | CEMETERIES | 6019 | 7223 | |
| 999937 | CEMETERY EQUIPMENT & SUPPLIES | 99 | ||
| 508758 | CEMETERY EQUIPMENT & SUPPLIES-WHOLESALE | 3 | 4 | |
| 655305 | CEMETERY LOT BROKERS | 25 | 30 | |
| 078218 | CEMETERY LOT CARE & SERVICE | 14 | 17 | |
| 6553 | CEMETERY SUBDIVIDERS & DEVELOPERS | 6083 | 7300 | |
| 655398 | CEMETERY SUBDIVIDERS & DEVELOPERS | 8 | 10 | |
| 508318 | CENTER PIVOTS (WHOLESALE) | 4 | 5 | |
| 6019 | CENTRAL RESERVE DEPOSITORY INST NEC | 13 | 16 | |
| 601901 | CENTRAL RESERVE DPSTRY INSTITUTIONS NEC | 13 | 16 | |
| 356902 | CENTRIFUGAL MACHINERY (MANUFACTURERS) | 52 | 62 | |
| 2 | CENTURY 21 | 5194 | 6233 | |
| 594513 | CERAMIC EQUIPMENT & SUPPLIES | 3290 | 3948 | |
| 326903 | CERAMIC EQUIPMENT & SUPPLIES-MFRS | 118 | 142 | |
| 594514 | CERAMIC PRODUCTS-DECORATIVE | 3264 | 3917 | |
| 326904 | CERAMIC PRODUCTS-DECORATIVE-MFRS | 97 | 116 | |
| 502329 | CERAMIC PRODUCTS-DECORATIVE-WHOLESALE | 72 | 86 | |
| 329902 | CERAMIC PRODUCTS-INDUSTRIAL (MFRS) | 289 | 347 | |
| 519962 | CERAMIC PRODUCTS-INDUSTRIAL-WHOLESALE | 1 | 1 | |
| 3253 | CERAMIC WALL & FLOOR TILE | 633 | 760 | |
| 509207 | CERAMIC-EQUIPMENT & SUPPLIES-WHOLESALE | 202 | 242 | |
| 594521 | CERAMICS-DOMESTIC-STUDIOS SUPPLIES ETC | 63 | 76 | |
| 829921 | CERAMICS-INSTRUCTION | 404 | 485 | |
| 2043 | CEREAL BREAKFAST FOODS | 95 | 114 | |
| 204301 | CEREALS (MANUFACTURERS) | 95 | 114 | |
| C | CERTIFICATE/VOCATIONAL | 3448 | 4138 | |
| C | CERTIFICATE/VOCATIONAL | 3327 | 3992 | |
| C | CERTIFIED PUBLIC ACCOUNTANT | 69116 | 82939 | |
| 769970 | CESSPOOL CLEANING | 64 | 77 | |
| 349604 | CHAIN LINK FENCES-MANUFACTURERS | 12 | 14 | |
| 508528 | CHAINS (WHOLESALE) | 607 | 728 | |
| 563214 | CHAINS-JEWELRY ORNAMENTAL | 11 | 13 | |
| 346207 | CHAINS-MANUFACTURERS | 4 | 5 | |
| 764113 | CHAIR CANING | 25 | 30 | |
| 594529 | CHAIR CANING SUPPLIES | 2 | 2 | |
| 571956 | CHAIR SEATS | 1 | 1 | |
| 753948 | CHAIRS & TABLES-RENTING | 213 | 256 | |
| 502134 | CHAIRS-FOLDING (WHOLESALE) | 9 | 11 | |
| 252205 | CHAIRS-MANUFACTURERS | 89 | 107 | |
| 502133 | CHAIRS-METAL (WHOLESALE) | 2 | 2 | |
| 504714 | CHAIRS-ORTHOPEDIC & LIFT (WHOLESALE) | 105 | 126 | |
| 735948 | CHAIRS-RENTING | 1013 | 1216 | |
| 571214 | CHAIRS-RETAIL | 230 | 276 | |
| 502116 | CHAIRS-WHOLESALE | 215 | 258 | |
| 504413 | CHALKBOARDS (WHOLESALE) | 177 | 212 | |
| 395205 | CHALK-MANUFACTURERS | 3 | 4 | |
| 861104 | CHAMBERS OF COMMERCE | 6813 | 8176 | |
| 2 | CHAMBERS OF COMMERCE | 6408 | 7690 | |
| 311103 | CHAMOIS SKINS-MANUFACTURERS | 8 | 10 | |
| 866121 | CHAPLAINS | 3 | 4 | |
| 519947 | CHARCOAL (WHOLESALE) | 132 | 158 | |
| 839919 | CHARITABLE INSTITUTIONS | 436 | 523 | |
| 733606 | CHARTS | 117 | 140 | |
| 736101 | CHAUFFEUR SERVICE | 446 | 535 | |
| 738926 | CHECK CASHING PROTECTION SYSTEMS | 635 | 762 | |
| 609903 | CHECK CASHING SERVICE | 6288 | 7546 | |
| 732205 | CHECK COLLECTION SERVICE | 13 | 16 | |
| 504404 | CHECK PROTECTION SIGN/ENDRSNG MACH (WHL) | 497 | 596 | |
| 508716 | CHECK ROOM EQUIPMENT (WHOLESALE) | 15 | 18 | |
| 395307 | CHECKS-METAL FIBER ETC (MANUFACTURERS) | 1 | 1 | |
| 278202 | CHECKS-PRINTING (MANUFACTURERS) | 184 | 221 | |
| 545103 | CHEESE | 1258 | 1510 | |
| 571957 | CHEESE CUTTERS & GRATERS | 1 | 1 | |
| 202201 | CHEESE PROCESSORS | 664 | 797 | |
| 513129 | CHEESECLOTH-WHOLESALE | 23 | 28 | |
| 514308 | CHEESE-IMPORTING (WHOLESALE) | 2 | 2 | |
| 514301 | CHEESE-WHOLESALE | 280 | 336 | |
| 1479 | CHEMICAL & FERTILIZER MINING NEC | 56 | 67 | |
| 147999 | CHEMICAL & FERTILIZER MINING NEC | 17 | 20 | |
| 734913 | CHEMICAL CLEANING-INDUSTRIAL | 677 | 812 | |
| A | CHEMICAL DEPENDENCY | 42 | 50 | |
| 839924 | CHEMICAL DEPENDENCY TREATMENT CENTERS | 10 | 12 | |
| 359902 | CHEMICAL MILLING | 69 | 83 | |
| 516928 | CHEMICAL PLANT-EQUIPMENT & SUPLS (WHOL) | 262 | 314 | |
| 355921 | CHEMICAL PLANT-EQUIPMENT & SUPPLIES-MFRS | 10 | 12 | |
| 873128 | CHEMICAL RESEARCH | 18 | 22 | |
| 28 | CHEMICALS & ALLIED PRODUCTS MFRS | 24779 | 29735 | |
| 5169 | CHEMICALS & ALLIED PRODUCTS NEC | 24151 | 28981 | |
| 516999 | CHEMICALS & ALLIED PRODUCTS NEC (WHOL) | 303 | 364 | |
| 2899 | CHEMICALS & CHEMICAL PREPARATIONS NEC | 5385 | 6462 | |
| 516916 | CHEMICALS (WHOLESALE) | 7640 | 9168 | |
| 286501 | CHEMICALS-BLENDING & GRINDING | 14 | 17 | |
| 516966 | CHEMICALS-BOUGHT (WHOLESALE) | 31 | 37 | |
| 286101 | CHEMICALS-GUM & WOOD-MANUFACTURERS | 175 | 210 | |
| 516952 | CHEMICALS-INDUSTRIAL (WHOLESALE) | 115 | 138 | |
| 289905 | CHEMICALS-MANUFACTURERS | 4410 | 5292 | |
| 999940 | CHEMICALS-RECLAIMING | 52 | ||
| 599919 | CHEMICALS-RETAIL | 1321 | 1585 | |
| 072110 | CHEMICALS-SPRAYING | 2 | 2 | |
| 516917 | CHEMICALS-STORAGE & HANDLING (WHOL) | 91 | 109 | |
| 516967 | CHEMICALS-SURPLUS STOCK BUYERS | 9 | 11 | |
| 899914 | CHEMISTS-ANALYTICAL & CONSULTING | 614 | 737 | |
| 899911 | CHEMISTS-MANUFACTURING | 90 | 108 | |
| 222108 | CHENILLES (MANUFACTURERS) | 3 | 4 | |
| 514814 | CHERRIES-MARASCHINO (WHOLESALE) | 2 | 2 | |
| 594537 | CHESS EQUIPMENT & SUPPLIES | 5 | 6 | |
| 799995 | CHESS INSTRUCTION | 30 | 36 | |
| E | CHEVROLET | 4362 | 5234 | |
| F | CHEVRON | 4344 | 5213 | |
| 2131 | CHEWING & SMOKING TOBACCO & SNUFF | 327 | 392 | |
| 2067 | CHEWING GUM | 34 | 41 | |
| 206701 | CHEWING GUM (MANUFACTURERS) | 34 | 41 | |
| 581211 | CHICKEN DINNERS | 296 | 355 | |
| 0252 | CHICKEN EGGS | 18 | 22 | |
| 025298 | CHICKEN EGGS | 18 | 22 | |
| G | CHIEF BUILDING SYSTEMS | 102 | 122 | |
| 839904 | CHILD ABUSE INFORMATION & TREATMENT CTRS | 424 | 509 | |
| 835104 | CHILD CARE CENTERS-CONSULTANTS | 347 | 416 | |
| 508779 | CHILD CARE CENTERS-EQUIP & SUPLS (WHOL) | 26 | 31 | |
| 832236 | CHILD CARE REFERRAL SERVICES | 323 | 388 | |
| 835101 | CHILD CARE SERVICE | 58752 | 70502 | |
| 8351 | CHILD DAY CARE SERVICES | 80868 | 97042 | |
| 832202 | CHILD GUIDANCE | 2436 | 2923 | |
| S | CHILD SAFETY PRODUCTS | 11 | 13 | |
| 832267 | CHILD SUPPORT COLLECTIONS | 61 | 73 | |
| 809919 | CHILDBIRTH EDUCATION | 252 | 302 | |
| 832237 | CHILD-PARENT DEVELOPMENT CENTERS | 62 | 74 | |
| 5641 | CHILDRENS & INFANTS WEAR STORES | 11011 | 13213 | |
| 236901 | CHILDRENS & INFANTS WEAR-MANUFACTURERS | 796 | 955 | |
| 564103 | CHILDRENS & INFANTS WEAR-RETAIL | 8951 | 10741 | |
| 593241 | CHILDRENS & INFANTS WEAR-USED | 38 | 46 | |
| 513709 | CHILDRENS & INFANTS WEAR-WHOLESALE | 1283 | 1540 | |
| 835106 | CHILDRENS AFTER SCHOOL PROGRAMS | 137 | 164 | |
| 513706 | CHILDRENS GARMENT-MFRS REPRESENTATIVE | 73 | 88 | |
| C | CHILDREN'S HOSPITAL | 95 | 114 | |
| C | CHILDRENS INFANTS & TEENS | 33 | 40 | |
| C | CHILDRENS INFANTS & TEENS | 31 | 37 | |
| 836118 | CHILDRENS NURSING & REHABILITATION CTRS | 13 | 16 | |
| 566107 | CHILDRENS SHOES-RETAIL | 16 | 19 | |
| 412102 | CHILDRENS TRANSPORTATION SVC | 52 | 62 | |
| 514904 | CHILI & CHILI PRODUCTS (WHOLESALE) | 46 | 55 | |
| 581246 | CHILI PARLORS | 18 | 22 | |
| 0 | CHILI'S GRILL & BAR | 357 | 428 | |
| 358202 | CHILLERS-LIQUID (MANUFACTURERS) | 66 | 79 | |
| 369901 | CHIMES & BELLS (MANUFACTURERS) | 83 | 100 | |
| 734916 | CHIMNEY & FIREPLACE CLEANING BUILD/RPR | 4391 | 5269 | |
| 174107 | CHIMNEY BUILDERS & REPAIRERS | 2476 | 2971 | |
| 508478 | CHIMNEY CLEANING EQUIP & SUPLS (WHOL) | 65 | 78 | |
| 521129 | CHIMNEY LINING MATERIALS | 185 | 222 | |
| 571958 | CHIMNEY MATERIALS | 6 | 7 | |
| 734938 | CHIMNEY SCREENS | 6 | 7 | |
| 734926 | CHIMNEY TOPS & CAPS | 77 | 92 | |
| 999939 | CHIMNEYS-PREFABRICATED | 90 | ||
| 735947 | CHINAWARE & GLASSWARE-RENTING | 68 | 82 | |
| 769947 | CHINAWARE & GLASSWARE-REPAIRING | 125 | 150 | |
| 571921 | CHINAWARE & GLASSWARE-RETAIL | 1972 | 2366 | |
| 502306 | CHINAWARE & GLASSWARE-WHOLESALE | 237 | 284 | |
| 571959 | CHINAWARE DECORATING & INSTRUCTION | 13 | 16 | |
| 326901 | CHINAWARE DECORATORS (MANUFACTURERS) | 27 | 32 | |
| 326201 | CHINAWARE-MANUFACTURERS | 44 | 53 |