| cakes | calculating equipment | candy |
| candy retail | canned soft drinks | 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 |
| cellular telephones | cellular telephone service | cement |
| cement manufacturers | cement wholesale | cemetery |
| cemetery developers | cemetery memorial parks | cemetery subdividers |
| ceramic products-industrial | ceramic products-industrial manufacturers | 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 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 manufacturers |
| cigar cigarette retail | cigarette | cigars |
| cigar tobacco | cigar tobacco manufacturers | 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 |
| 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 photography | commercial physical research | commercial printing |
| commodity brokers | commodity dealers | commodity exchange |
| commodity services | communication services | community development |
| compressor manufacturer | computer consultants | computer electronics |
| computer integrated systems design | computer leasing | computer maintenance |
| computer manufacturers | computer related services | computer rental |
| computer repair | computers electronic manufacturers | computer services |
| computers system designers | computer storage devices | computer stores |
| computer technology schools | concrete blocks | concrete contractors |
| concrete manufacturer | concrete products | concrete products-ex block |
| concrete products manufacturers | concrete work | condiments manufacturers |
| confectionery | confectionery retail | construction-heavy projects |
| construction gravel | construction machinery | construction management |
| construction materials | construction sand | consulting engineers |
| container manufacturers | contractors manufacturers | controls manufacturers |
| control systems manufacturers | control systems regulators manufacturers | convalescent homes |
| 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 | costume jewelry | costume jewelry manufacturers |
| costume jewelry novelties | costume jewelry novelties manufacturers | county government-courts |
| county government-general offices | county government finance | county government public order |
| county government safety | county government taxation | courier service |
| court | court reporting | crating |
| credit reporting services | credit union | crematory |
| criminal law attorney | croissant | crude petroleum |
| crude petroleum pipelines | curtains | curtains retail stores |
| custom computer programming services | custom made curtains | custom made draperies |
| cut stone |
