A vague attempt was made to put them in alphabetical order, but I figure you'll find them anyway. I've only included the main website link here, and the local phone number. You want more, visit the review page and check them out.
AdMark
(206) 448-8850
admarkservices.com
2107 Elliott Ave, Ste 308
Seattle, WA
98121-2160
Augustavo Burrus
(206) 442-0700
augbur.com
800 Maynard Ave S, Ste 400
Seattle, WA
98134-1334
Now Hansen Belyea Design
(206) 682-4895
hansenbelya.com
225 Terry Avenue North
Seattle, WA
98109
BSSP
(415) 331-6049
bssp.com
Butler, Shine, Stern & Partners
20 Liberty Ship Way
Sausalito, CA
94965
Copacino + Fujikado
(206) 467-6610
www.copacino.com
1425 4th Avenue
Suite 700
Seattle, WA
98101
Creature
(206) 625-6994
www.welcometocreature.com
1508 10th Ave
Seattle, WA
98122
DDB West
(206) 442-9900
us.ddb.com
1000 Second Avenue, Suite 1000
Seattle, WA
98104
DNA
(206) 770-9615
www.dnamechs.com
1301 5th Ave, Ste 2600
Seattle, WA
98101
Eben Design
(206) 523-9010
ebendesign.com
7221 Fifth Avenue NE
Seattle, WA
98115
Girvin
(206) 674-7808
www.girvin.com
121 Stewart Street
Suite 212
Seattle, WA
98101
Now Hansen Belyea Design
(206) 682-4895
hansenbelya.com
225 Terry Avenue North
Seattle, WA
98109
Heckler Associates
(206) 352-1010
hecklerassociates.com
2701 1st Ave, Ste 400
Seattle, WA
98121-1121
Closed 8/2010 - Absorbed by:
Ascentium (yet to be reviewed)
(425) 519-7700
ascentium.com
10500 NE 8th Street, Suite 1300
Bellevue, WA
98004
JWT
(206) 521-0600
www.jwt.com
221 Yale Ave N
Seattle, WA
98109
Phinney Bischoff
(206)322-3484
pbdh.com
614 Boylston Ave E
Seattle, WA
98102-4912
Publicis
(206) 285-2222
publiciswest.com
424 2nd Ave West
Seattle, WA
98119
Sandstrom Partners
(503) 248-9466
sandstrompartners.com
808 Southwest 3rd Avenue
Portland, OR
97204-2429
The Red Army
(206) 286-8410
www.theredarmy.com
1111 S Atl St, Apt 311
Seattle, WA
98134
Turnstyle
(206) 297-7350
turnstylestudio.com
4743 Ballard Ave
Seattle, WA
98107
Wexley School for Girls
(206) 438-8900
www.wexley.com
2218 5th Avenue
Seattle, WA
98121
Wonderful Union
(206) 789-1293
www.wonderfulunion.com
Wonderful Union
2221 NW 56th St. Ste. 201
Seattle, WA
98107
Wongdoody
www.wongdoody.com
(206) 624-5325
1011 Western Ave, Ste 900
Seattle, WA
98104-1080
Worker Bees
(206) 930-3417
workerbees.com
500 Aurora Ave. N. Suite 105
Seattle WA
98109
