Firms with offices in Washington
Show firms headquartered in Washington
| Firm | Rank | DI Index (?) | Size (?) | Headquarters | Revenue | Staff | Offices | Year |
|---|---|---|---|---|---|---|---|---|
| AECOM (Architecture) | 2 | Los Angeles, CA | $687,520,000 | 4,399 | 400 | 1990 | ||
| Callison | 38 | Seattle, WA | $52,015,000 | 800 | 10 | 1975 | ||
| CTA Architects Engineers | 54 | Billings, MT | $40,800,000 | 344 | 12 | 1938 | ||
| DLR Group | 21 | Omaha, NE | $110,000,000 | 502 | 21 | 1966 | ||
| Dykeman Architects | Everett, WA | 1967 | ||||||
| Gensler | 1 | San Francisco, CA | $764,081,273 | 3,500 | 34 | 1965 | ||
| GGLO | 206 | Seattle, WA | $10,800,000 | 82 | 1986 | |||
| HDR Architecture | 6 | Omaha, NE | $330,600,000 | 1,500 | 43 | 1917 | ||
| HOK | 3 | St. Louis, MO | $447,472,000 | 1,695 | 25 | 1955 | ||
| JPC Architects | 262 | Bellevue, WA | $7,500,000 | 41 | 1 | 1986 | ||
| KDF Architecture | 321 | Yakima, WA | $5,131,620 | 26 | 1 | 1976 | ||
| KMD Architects | 62 | San Francisco, CA | $35,143,453 | 162 | 6 | 1963 | ||
| Mahlum | 151 | Seattle, WA | $16,700,000 | 90 | 2 | 1938 | ||
| Miller Hull Partnership | 179 | Seattle, WA | $13,276,668 | 61 | 2 | 1977 | ||
| Mithun | 182 | Seattle, WA | $13,056,000 | 143 | 2 | 1949 | ||
| MulvannyG2 Architecture | 41 | Bellevue, WA | $50,000,000 | 308 | 4 | 1971 | ||
| NAC|Architecture | 96 | Spokane, WA | $24,199,811 | 123 | 1960 | |||
| NBBJ | 11 | Seattle, WA | $182,000,000 | 675 | 9 | 1943 | ||
| Otak | Lake Oswego, OR | 268 | 8 | 1981 | ||||
| Perkins + Will | 4 | Chicago, IL | $372,000,000 | 1,517 | 23 | 1935 | ||
| Portico Group, The | 236 | Seattle, WA | $8,772,000 | 52 | 1 | 1984 | ||
| SSOE Group | 17 | Toledo, OH | $126,535,500 | 858 | 23 | 1948 | ||
| Wimberly Allison Tong & Goo (WATG) | 40 | Irvine, CA | $51,000,000 | 301 | 6 | 1945 | ||
| ZGF Architects | 20 | Portland, OR | $120,248,889 | 426 | 5 | 1959 |
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