| cakes | candy | candy manufacturers |
| candy retail | canned fruit | canned soft drinks |
| canned specialties | canvas products | canvas products manufacturers |
| carbon paper | carpentry work | carpet & rug dealers |
| carpet cleaners | carpet cleaning | carpet manufacturer |
| carpet new | car polishing | car rental |
| carriage | carriage horse | car washes |
| car washing | cash register | cash supplies |
| catalog | caterers | catholic school |
| cellular telephones | cellular telephone service | cement |
| cement wholesale | cemetery | cemetery developers |
| cemetery memorial parks | cemetery subdividers | certified public accountants |
| cheap hotels | check cashing services | 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 manufacturers | cigar cigarette retail |
| cigarette | cigars | cigar tobacco |
| cigar tobacco manufacturers | 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 osteopathic physicians | clinics of podiatrists | clock repair |
| clocks | coal | coal mining |
| 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 equipment |
| commercial laundry equipment | commercial photography | commercial physical research |
| commercial printing | commodity brokers | commodity dealers |
| commodity exchange | commodity services | communication services |
| community development | component retail | compressor manufacturer |
| 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 storage devices |
| computer storage devices manufacturers | computer stores | computer technology schools |
| computer training schools | concrete blocks | concrete contractors |
| concrete manufacturer | concrete products | concrete products-ex block |
| concrete products manufacturers | concrete work | confectionery |
| confectionery manufacturers | confectionery retail | construction-heavy projects |
| construction machinery | construction management | construction materials |
| consulting engineers | contractors equipment manufacturers | contractors manufacturers |
| controlling devices | controls manufacturers | control systems manufacturers |
| control systems regulators manufacturers | convalescent homes | converted paper products |
| conveyor equipment | copier repair | copiers |
| corn chips | corn chips manufacturers | corn snacks |
| corn snacks manufacturers | correctional institution | corrugated boxes |
| corrugated box manufacturer | cosmetic dentist | cosmetic dentistry |
| cosmetic manufacturer | cotton | cotton gin |
| cotton goods | cotton goods manufacturers | county government-courts |
| county government finance | county government taxation | courier service |
| court | court reporting | crating |
| credit reporting services | credit union | crematory |
| criminal law attorney | croissant | crop planting |
| crop preparation services for market | crop protection | crude petroleum |
| crude petroleum pipelines | curtains | curtains retail stores |
| custom computer programming services | custom made curtains | custom made draperies |
| cutlery | cutlery manufacturers | cut stone |
