| 3 Foods Cafe | 822-9474 | 835 J St | Arcata | 95521 | |
| Abalone Cove Vacation Rental | 677-3946 | P.O. Box 2036 | Trinidad | 95570 | |
| Access Humboldt | 476-1798 | 1915 J Street | Eureka | 95501 | |
| ADBC/Arcata Main Street | 822-4500 | 791 Eighth Street, Ste. 5 | Arcata | 95521 | |
| Adventures Edge | 822-4673 | 650 10th Street | Arcata | 95521 | |
| Aflac | 840-9226 | 5135 Patrick Creek Drive | McKinleyville | 95519 | |
| Airen Broadcasting Company, KZCC (FM) | (916)448-8800 | 428 C Street, Ste. K | Eureka | 95501 | |
| Alex Stillman | 826-2740 | P.O. Box 1194 | Arcata | 95518 | |
| Alibi Restaurant & Cocktail Lounge | 822-3731 | 744 Ninth Street | Arcata | 95521 | |
| Anderson Robinson Starkey Insurance | 822-7251 | P.O. Box 1105 | Arcata | 95518 | |
| Arcata Cabinet & Design | 826-2680 | P.O. Box 845 | Arcata | 95518 | |
| Arcata Christian School | 822-5986 | 1700 Union Street | Arcata | 95521 | |
| Arcata Community Pool | 822-6801 | 1150 16th Street | Arcata | 95521 | |
| Arcata Community Recycling Center | 822-4542 | P.O. Box 1126 | Arcata | 95518 | |
| Arcata Downtown Business Community | 822-4500 | 791 8th St, Ste. 5 | Arcata | 95521 | |
| Arcata Economic Development Corp | 822-4616 | 100 Ericson Court, Suite 100A | Arcata | 95521 | |
| Arcata Endeavor, Inc | 822-5008 | 501 9th Street | Arcata | 95521 | |
| Arcata Exchange | 822-0312 | 813 H Street | Arcata | 95521 | |
| Arcata Eye, The | 826-7000 | P.O. Box 451 | Arcata | 95518 | |
| Arcata Garbage Co | 822-0304 | 30 South G Street | Arcata | 95521 | |
| Arcata Kiwanis Club | 822-0807 | P.O. Box 232 | Arcata | 95518 | |
| Arcata Lumber | 822-1769 | 1296 11th Street | Arcata | 95521 | |
| Arcata Mad River Ambulance | 822-3353 | 220 F Street | Arcata | 95521 | |
| Arcata Mobile Home Center, Inc | 822-5138 | 1360 Lincoln Avenue | Arcata | 95521 | |
| Arcata Pizza & Deli Corp | 822-4650 | 1057 H Street | Arcata | 95521 | |
| Arcata Pro Floor, Inc | 822-2838 | 613 H Street | Arcata | 95521 | |
| Arcata Sr. & Little League Baseball | 826-0829 | P.O. Box 877 | Arcata | 95518 | |
| Arcata Stationers | 822-0527 | 833 H Street | Arcata | 95521 | |
| Arcata Stay | 822-0935 | 814 13th Street | Arcata | 95521 | |
| Arkley Center for the Performing Arts | 442-1956 | 412 G St | Eureka | 95501 | |
| Barnes Arcata Family Drug | 822-2496 | 1080 G Street | Arcata | 95521 | |
| Baroni Designs | 7078228067 | 1049 Samoa Boulevard | Arcata | 95521 | |
| Barry M. Lee, DDS | 707-822-3584 | 1017 10th Street | Arcata | 95521 | |
| Bay Directories Inc. | 476-0777 | 1905 Fairfield St | Eureka | 95501 | |
| Bayvista Properties | 443-3110 | P.O. Box 5048 | Arcata | 95518 | |
| Baywood Golf & Country Club | 822-3686 | 3600 Buttermilk Lane | Arcata | 95521 | |
| Bear River Casino | 733-9644 x107 | 11 Bear Paws Way | Loleta | 95551 | |
| Best Western Arcata Inn | 826-0313 | 4827 Valley West Blvd | Arcata | 95521 | |
| Best Western Bayshore Inn | 268-8005 | 3500 Broadway | Eureka | 95503 | |
| Bicoastal Media, LLC/North Country Comm | 442-2000 | 5640 South Broadway | Eureka | 95503 | |
| Big Oil & Tire Co | 825-9700 | 5670 West End Road, #1 | Arcata | 95521 | |
| Bigfoot Gourmet | 840-9088 | P.O. Box 2832 | McKinleyville | 95519 | |
| Bigfoot Rafting Co | 530-629-2263 | P.O. Box 729 | Willow Creek | 95573 | |
| Bless My Soul Cafe | 707-445-8502 | P.O. Box 5667 | Eureka | 95502 | |
| Bloxham's Shell Tiger Mart | 822-0751 | 1401 G Street | Arcata | 95521 | |
| Blue Lake Casino | 668-9770 | 777 Casino Way | Blue Lake | 95525 | |
| Blue Lake Chamber of Commerce | 668-5338 | P.O. Box 476 | Blue Lake | 95525 | |
| Blue Max Pizza | 822-4842 | 1116 11th Street, #B | Arcata | 95521 | |
| Bold Images | 822-6838 | 280 Alder Grove Road | Arcata | 95521 | |
| Bottemiller Apartments | 707 822-3837 | 1515 Irene St | Bayside | 95524 |