Natures' Helpers  
   Hanging feeders, including thistle and tube models. Also sells squirrel baffles and birding accessories.
   http://www.prestogalaxy.com/

Backyard Wildlife Refuge  
   Feeders, baths, and houses. Also includes de-icers, baffles, mounting hardware, and feed.
   http://www.backyardwildlife.com/

Wild Birds Unlimited  
   System of retail stores catering to the backyard birdfeeding hobbyist. Store locator, bird feeder webcam, and educational resources.
   http://www.wbu.com/

Bird Central  
   Feeders, houses, birdbaths, and optics for wildlife viewing. Includes butterfly and bat shelters.
   http://www.birdcentral.com/

Wild Bird Habitats  
   Sells feeders and houses from a variety of manufacturers, including models specific to hummingbirds.
   http://www.wildbirdz.com/

Wild Bird Mart  
   Pole mounted, hanging, tube, squirrel proof, and window model feeders. Also sells birding related accessories.
   http://www.wildbirdmart.com/

Wild Bird House  
   Selling feeders, baths, houses, and wildlife supplies. Also offers shelters for hummingbirds, butterflies, ladybugs, and bats.
   http://www.wildbirdhouse.com/

Just Us Birds  
   Houses, plans, and kits. Variety of shapes and styles.
   http://www.justusbirds.com/

Real Bird Homes  
   Houses made from Georgia pine, designed specifically for bluebirds and chickadees.
   http://www.realbirdhomes.com/

The Wildlife Authority  
   Variety of products for those with an interest in birds. Includes books, optics, and related accessories.
   http://www.wildlifeauthority.com/

Bluebird Love  
   Selection of nesting habitats for bluebirds and other cavity nesting birds. Layaway program and gift certificates available.
   http://www.bluebird-love.com/

Wild Birds Forever  
   Line of feeders and shelters, including styles for owls, kestrels, bats, and wood ducks. Includes tips on attracting backyard birds.
   http://www.birdsforever.com/

Roller Feeder  
   Squirrel proof bird feeder specifically designed with smaller birds in mind.
   http://www.rollerfeeder.com/

Duncraft  
   Wild bird products including squirrel-proof solutions. Styles of feeders include haven, platform, tubular, window, hopper, and post models.
   http://www.duncraft.com/

Birds 4 U  
   Sells feeders, including thistle sack models. Video clips available for viewing.
   http://www.birds4u.com/

Four Natures Keepers  
   Sells wild bird gift baskets, which include food cakes, stix, and nutra-dough.
   http://www.natureskeepers.com/

Natural Technology  
   Sells electronic wildlife monitoring systems. Can be used for listening or recording.
   http://www.natural-technology.com/

No-No Birdfeeder  
   Large capacity, metal, collapsible wire basket sunflower feeder. Resists squirrel damage.
   http://www.no-nobirdfeeder.com/

Best Nest  
   Sells wild bird feeders including hummingbird, squirrel proof, and window models. Suitable for purple martins, wood ducks, and bluebirds.
   http://www.bestnest.com/

Cherry Valley Feeders  
   Manufactures houses and feeders, made from cedar. Also offers bat and butterfly shelters.
   http://www.cvfeeders.com/

Havegard  
   Manufactures a variety of feed mixes and related products.
   http://www.havegard.com/

Bird Beakin  
   Manufactures and sells feeders in the shape of lighthouses common to the coast of Maine. Also offers accessories.
   http://www.birdbeakin.com/

Birdfeeding  
   Sells window, seed tube, thistle tube, and specialty feeders. Also offers gift packs and decorative thermometers.
   http://www.birdfeeding.com/

Songbird Station  
   Sells birdhouses, seed, feeders, baths, accessories, and related gifts. Offers a birding newsletter.
   http://www.songbirdstation.com/

Birdhouse Kits  
   Sells ready-to-assemble bird shelter kits.
   http://www.birdhousekits.com/

Bluebirds Forever  
   Products and accessories for bluebird lovers. Information on starting a bluebird trail.
   http://www.bluebirdsforever.com/

Birdhouses by Laura  
   Decorative birdhouses hand made from hardwood. Design themes include country fruit stands, florals, and knotholes.
   http://www.birdhousesbylaura.com/

Fifth Day Creations  
   Includes dome, platform, and globe feeders. Section on attracting woodpeckers.
   http://www.fifthdaycreations.com/

Natural Yards  
   Hand crafted with incense cedar and glass. Also sells suet balls, screen trays, nesting boxes, and bat houses.
   http://www.naturalyards.com/

Wild Bird Center  
   Birding and wildlife products. Gift certificates available.
   http://www.wildbirdcenter.com/

Bird Shed  
   Selection of feeders, houses, supplies and birding accessories. Gift sets, books, and audio cd's also available.
   http://www.thebirdshed.com/

Avian Aquatics  
   Birdbath products, including misters, drippers, creeks, and waterfall rocks. Also offers suet woodpecker feeders.
   http://www.avianaquatics.com/

Interpro  
   Offers houses and feeders made from western cedar and hand blown glass. Wholesale information available.
   http://www.feedmorebirds.com/

Wellsbilt  
   Bird houses and feeders made from Douglas Fir, and accented with bark and moss.
   http://www.mcn.net/~wellsbilt/

The Birdhouse Depot  
   Houses, feeders, and do-it-yourself kits. Manufactured from new and aged cedar.
   http://www.thebirdhousedepot.com/

Wildwood Farms  
   Manufacturer of wild bird and squirrel feeds. Houses and feeders handmade from western red cedar.
   http://www.wildwoodfarms.com/

Wild Bird Crossing  
   Hummingbird and purple martin shelters, bird song identifying tips, and water garden supplies.
   http://www.avianyard.com/

Birdgarden  
   Wild bird feeders, houses, and baths. Includes a squirrel proof model. Section of nature gifts.
   http://www.birdgarden.com/

Wild Birds Online  
   Handcrafted, species-specific, and specialty feeders and houses for birding enthusiasts.
   http://www.wildbirdsonline.com/

Double Bar A Wild Bird Store  
   Offers feeders, seed, books, and other backyard birding supplies.
   http://www.doublebara.com/

Berkeley Rustic Birdhouses  
   Rustic styled houses made of recycled wood, metals, and local driftwood from Northern California.
   http://www.berkeleyrusticbirdhouses.com/

Lighthouse Birdfeeders  
   Handmade feeders in the image of historic lighthouses. Reproductions of the Barnegat, Assateague, Cape May, and Bodie Island lighthouses.
   http://handhcreations.homestead.com/

Chez Birdie  
   Made by hand. Includes houses with barn, cuckoo clock, and church motifs.
   http://www.chezbirdie.com/

Backyard Bird Company  
   Offers butterfly, purple martin, bluebird, and bee houses. Gift certificates available.
   http://www.backyardbird.com

Backyard Bistros  
   Features a high capacity bird feeder. Video clips of it in use with birds available.
   http://www.backyardbistroltd.com

Sunfollower Sunflowers  
   Offers whole head sunflower bird feeders and black oilseed sunflowers.
   http://www.sunfollowers.com/

All for the Birds  
   Handmade using reclaimed and recycled lumber. Comes with attached chain for hanging.
   http://www.allforthebirds.com/

Healthy Squirrel Food  
   Specializing in feeders for birds and squirrels, as well as corn feed products.
   http://www.healthysquirrelfood.com/

Audubon Workshop  
   Offers houses, boxes, and feeders, featuring feed for insect-eating birds. Also sells bird-friendly pesticides.
   http://www.audubonworkshop.com/

Garden Built  
   Feeders in various styles, including fly-thru silo, perch, and hopper models.
   http://www.gardenbuilt.com/

J.J. Cardinal's  
   Source for feeders, houses, and birding accessories. Offers a newsletter archive.
   http://www.jjcardinal.com/

Healthy Bird  
   Feeding systems with an emphasis on avian nutrition. Includes information of the care of baby birds.
   http://www.healthybird.com/

Backyard Birdstore  
   Functional and decorative houses and feeders. Also offers feed and mounting hardware.
   http://www.TheBackyardBirdstore.com

Main Street Seed And Supply  
   Sells feeders, seed, baths, suet, and outdoor accessories.
   http://www.mainstreetseedandsupply.com/

Klassic Kits  
   Gazebo bird feeder and house combination construction kit.
   http://www.klassickits.com/

Wild Birds General Store  
   Droll Yankee and Vari-crafts feeders for sale. Includes a feed chart.
   http://www.wildbirdsgeneral.com/

C and S Products  
   Squirrel and wildlife feeders, suet, and feeding products. Features a "how-to" section on wild bird feeding.
   http://www.wildbirdsuets.com/

Birdzilla  
   Birding products and information, details of USA and Canadian migration destinations. Selection of accessories.
   http://www.birdzilla.com/

Bird Seed Plus  
   Offers 16 varieties of wild bird feed, custom blends, suet, and feeders.
   http://www.birdseedplus.com/

Looker Products  
   Accessories for birding and squirrel feeding. Includes window feeders and assorted lawn and garden products.
   http://www.lookerinc.com/

Granddad's Birdhouses  
   Hand made spruce houses, designed for bluebirds.
   http://www.geocities.com/granddadsbirdhouses/

Cardinal Corner  
   Feeders, houses, custom seed mixes, accessories, and books for the backyard bird enthusiast. Information on squirrel proofing.
   http://www.cardinalcorner.com/

Backyard Bird Watcher  
   Bird feeding supplies, baths, and garden accents. Also offers mounting hardware and pond accessories.
   http://backyardbirdwatcher.com

RJS Specialties  
   Telescopic pole for bird feeders and houses. Designed to be used on deck rails, walls, or posts.
   http://www.rjsspecialties.com/

Bird Baths Unlimited  
   Supplier of baths, drippers, misters, and water garden accessories. Includes heated baths.
   http://www.bird-bath.com/

Wild Bird Store  
   Offers nest boxes, bird feeders, garden gifts and information on attracting wildlife to your backyard.
   http://www.wildbirdstore.com/

Bird on a Wire  
   Featuring baths, feeders, books, accessories, suet, and feed. Includes a birding folk art gallery.
   http://www.bird-on-a-wire.com/

Woodland Habitat  
   Active shelter and nesting cavities for a variety of wildlife species, including bluebirds and screech owls.
   http://www.woodlandhabitat.com

Audubon Nature Store  
   Bird feeding products and accessories, including houses, feed, and optics.
   http://www.audubonnature.com/

Lucinda and Company  
   Sells hand made houses. Also offers a book with house building plans and custom pet portraits.
   http://www.elucinda.com/

Backyard Birds  
   Houses, feeders, feed, and books. Features a heated birdbath for winter use.
   http://www.sprucenet.com/birds/

Canyon Trading Company  
   Sells handmade copper and glass hummingbird feeders.
   http://canyontrading.homestead.com/index.html

Van Ert Enterprises  
   Sells bluebird nest box traps and in-box sparrow traps made of steel. Also offers mealworm feeders.
   http://www.vanerttraps.com/

Water Art  
   Offers decorative drip and misting systems for attracting birds.
   http://www.waterart.com/

Happy Bird Corporation  
   Covered bird drinking sippers. Insulated to protect from cold and heat.
   http://www.theworld.com/~sippers/

BilMar Birdhouses  
   Bird and butterfly shelters. Handmade from pine wood.
   http://www.geocities.com/bilmarsr/

Sassafras Hollow Artisans  
   Sells bird houses, feeders, and nesting platforms. Includes section on nesting facts.
   http://www.birdhouselet.com/

A Growing Business  
   Hand crafted and shingled cedar houses and feeders.
   http://www.agrowingbusiness.com/

BellSong Products  
   Sells the Squngee, a squirrel-feeder attached to bungee cord.
   http://www.squngee.com/

Wild Bird Habitat Store  
   Sells seed, feeders, nest boxes, baths, books, calendars, and sun catchers. Includes feeding tips and online catalogue.
   http://www.wildbirdhabitatstore.com/

Just For The Birds  
   Suetballs, feeders and houses. Models designed for wrens and hummingbirds.
   http://www.justforthebirds.org/

50 Birds  
   Sells house and shelter kits designed to attract specific species of North American birds.
   http://www.50birds.com/