Thread Best of the Net
Your bridesmaid won't be sending a Thread dress to salvation army after your wedding. She'll be wearing it to cocktail parties and out to dinner because Thread dresses are too cute to wear just once. Also has maternity and flower girl.

Dessy Collection Best of the Net
Dessy Collection is known for its "Made for You" service. They take your measurements, enter them into a computerized cutter, and a unique pattern allows them to custom make the dress to exactly fit and flatter your body. The 6-to-8 week delivery time is half of standard time. They also have a wide selection of plus-size dresses.

Liz Lange Best of the Net
While a little on the expensive side, Liz Lange is the first place to go for the fashionable pregnant bridesmaid.

simpledress.com
Their web site says, "A well tailored dress in a classic shape is an enduring symbol of elegance." This modern way of dressing bridesmaids allows them to choose the silhouette they look best in. The bride then chooses the fabric and color to give the attendants a unified look.

Serafina
There are tons of options here, including separates and classic styles, flower girl dresses and several outfits for pageboys.

Watters.com
Watters & Watters carries classic bridesmaids dresses many of which you can customize by fabric and color. Budget-conscious girls, check out the Wtoo line for lower-priced options.