| cakes | calculating equipment | candy |
| candy manufacturers | candy retail | canned soft drinks |
| canvas products | canvas products manufacturers | carpentry work |
| carpet & rug dealers | carpet cleaners | carpet cleaning |
| carpet manufacturer | carpet new | car polishing |
| car rental | car washes | car washing |
| cash register | cash supplies | catalog |
| caterers | catholic school | cellular telephones |
| cellular telephone service | cement | cement manufacturers |
| cement wholesale | cemetery | cemetery developers |
| cemetery memorial parks | cemetery subdividers | cereal breakfast foods |
| certified public accountants | cheap hotels | check cashing services |
| cheese processors | chemical preparations | chewing tobacco |
| child care services | child day care services | children's clothing |
| children's dresses | children's underwear | children's vehicles |
| children clothes | childrens accessories | childrens accessories manufacturers |
| childrens clothes manufacturers | chinese restaurant | chiropractic clinic |
| chiropractor | chocolate manufacturer | christian school |
| churches | cigar cigarette | cigar cigarette-wholesale |
| cigar cigarette retail | cigarette | cigars |
| citrus fruit | city government regulation | city government regulation utilities |
| civic associations | civil engineers | cleaners |
| cleaners' agents | clean up services | clinic |
| clinical psychologists | clinical trials | clinics of chiropractors |
| clinics of dentists | clinics of medical doctors | clinics of optometrists |
| clinics of podiatrists | clock repair | clocks |
| coated bags | coating manufacturer | coatings |
| coatings protective | coatings protective manufacturers | cocoa manufacturers |
| coin-operated amusement devices | coin-operated drycleaning | coin operated laundry |
| coins | cold storage warehouse | collection agency |
| collection service | college | colleges academic |
| college university | colon rectal surgeons | colon surgeons |
| commercial art | commercial banks | commercial photography |
| commercial physical research | commercial printing | commodity brokers |
| commodity dealers | commodity exchange | commodity services |
| communication services | community development | component retail |
| computer consultants | computer electronics | computer integrated systems design |
| computer leasing | computer maintenance | computer manufacturers |
| computer peripheral equipment | computer related services | computer rental |
| computer repair | computer school | computers electronic manufacturers |
| computer services | computers system designers | computer stores |
| computer technology schools | computer training schools | concrete blocks |
| concrete contractors | concrete products | concrete work |
| confectionery | confectionery manufacturers | confectionery retail |
| construction equipment manufacturers | construction machinery | construction machinery manufacturers |
| construction management | construction materials | consulting engineers |
| controls manufacturers | control systems manufacturers | control systems regulators manufacturers |
| convalescent homes | converted paper products | conveyor equipment |
| cookies manufacturers | copier repair | copiers |
| copper drawing | copper rolling | corn chips |
| corn chips manufacturers | corn snacks | corn snacks manufacturers |
| correctional institution | corrugated boxes | corrugated box manufacturer |
| cosmetic dentist | cosmetic dentistry | cosmetic manufacturer |
| costume jewelry | costume jewelry manufacturers | costume jewelry novelties |
| costume jewelry novelties manufacturers | cotton | cotton goods |
| cotton goods manufacturers | county government-courts | county government-general offices |
| county government finance | county government taxation | courier service |
| court | court reporting | cracker manufacturers |
| crating | credit reporting services | credit union |
| crematory | criminal law attorney | croissant |
| crude petroleum | crushed limestone | curtains |
| curtains retail stores | custom computer programming services | custom made curtains |
| custom made draperies | cut stone |
