

| Revenue | $10 - $100 million See Exact Annual Revenue |
|---|---|
| Employees | 100 - 500Exact Company Size |
| Primary Industry | 54131 Architectural Services |
| Additional NAICS Codes | 54133 Engineering Services 5414 Specialized Design Services |
| Address | 5555 North Grand Boulevard Oklahoma City, OK 73112 |
| C. H. Guernsey | Revenue Est. ($ Million) | Growth Rate (%) | # Employees |
|---|---|---|---|
| 2025 | $10 - $100 million Details in Premium Report | ||
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| C. H. Guernsey P&L | $ Millions |
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| Trademark | Date |
|---|---|
| GUERNSEY engineering; consulting in the fields of engineering and architecture | 04/30/2012 |
| G engineering; consulting in the fields of engineering and architecture | 04/30/2012 |
| REALIZE THE DIFFERENCE engineering; consulting in the fields of engineering and architecture | 04/30/2012 |
| Company | Headquarters | Revenue ($ MM) |
|---|---|---|
| HDR | Omaha, NE | 100 |
| M. ARTHUR GENSLER JR. & ASSOCIATES | San Francisco, CA | 46 |
| KATERRA | Menlo Park, CA | 32 |
| PERKINS+WILL | Chicago, IL | 18 |
| TURNER & TOWNSEND GOV | New York, NY | 15 |
| HOK GROUP | Saint Louis, MO | 13 |
| SMITHGROUP COMPANIES | Detroit, MI | 13 |
| J.S. HELD | Jericho, NY | 13 |
| HKS | Dallas, TX | 13 |
| Company | Headquarters | Revenue ($ MM) |
|---|---|---|
| ADVANCIA | Oklahoma City, OK | 100 |
| EST | Moore, OK | 68 |
| FRANKFURT-SHORT-BRUZA ASSOCIATES PC | Oklahoma City, OK | 44 |
| CEC | Oklahoma City, OK | 43 |
| CROWN ENERGY | Oklahoma City, OK | 32 |
| C. H. GUERNSEY | Oklahoma City, OK | 27 |
| Company | Revenue ($ MM) |
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