Professional Services companies
This page indexes 59 professional services companies across the United States, organized from public data. Use the state breakdown to find professional services firms near you. Figures for public companies are sourced from SEC filings and dated.
By state
Arizona (3)California (5)Colorado (2)Illinois (3)Louisiana (2)Michigan (4)New York (8)North Carolina (3)Oklahoma (3)Texas (2)Utah (2)Virginia (2)Washington (8)
All professional services companies
| Company | State | Industry | Type | Ticker | Revenue (dated) |
|---|---|---|---|---|---|
| Automatic Data Processing | New Jersey | Technology, Professional Services | public | ADP | $21B (FY 2025) |
| Clear Channel Outdoor | Texas | Media, Professional Services | subsidiary | CCO | $1.6B (FY 2025) |
| FTI Consulting | Washington | Professional Services | public | FCN | $3.8B (FY 2025) |
| ManpowerGroup | Wisconsin | Professional Services | public | MAN | $18B (FY 2025) |
| Omnicom Group | New York | Media, Professional Services | public | OMC | $17B (FY 2025) |
| Oracle Corporation | Texas | Technology, Professional Services | public | ORCL | $67B (FY 2026) |
| Unisys | Pennsylvania | Technology, Professional Services | public | UIS | $1.7B (FY 2023) |
| Ibotta | Colorado | Technology, Professional Services | public | IBTA | $342M (FY 2025) |
| CACI | Virginia | Technology, Professional Services | public | — | — |
| Computer Sciences Corporation | California | Technology, Professional Services | public | — | — |
| Covansys Corporation | Michigan | Technology, Professional Services | public | — | — |
| Experian | California | Professional Services | public | — | — |
| Google LLC | California | Technology, Professional Services | subsidiary | — | — |
| IBM | New York | Technology, Professional Services | public | — | — |
| Jacobs Engineering Group | California | Professional Services | public | — | — |
| Lamar Advertising Company | Louisiana | Professional Services | public | — | — |
| Teleperformance USA | Utah | Professional Services | public | — | — |
| The Interpublic Group of Companies | New York | Professional Services | public | — | — |
| Valassis | Michigan | Professional Services | public | — | — |
| Syntel | Michigan | Technology, Professional Services | public | — | — |
| ACN Inc. | North Carolina | Telecom, Professional Services | private | — | — |
| AdGreetz | California | Professional Services | private | — | — |
| Analysis Group | Massachusetts | Professional Services | private | — | — |
| Branded Entertainment Network | Washington | Professional Services | — | — | — |
| Ciber | Colorado | Professional Services | private | — | — |
| Deloitte | New York | Professional Services | private | — | — |
| Doner Company | Michigan | Professional Services | private | — | — |
| DynCorp | Virginia | Professional Services | subsidiary | — | — |
| EAB | Washington | Professional Services | private | — | — |
| Ernst & Young | Oklahoma | Professional Services | — | — | — |
| Gallup, Inc. | Washington | Professional Services | private | — | — |
| Grant Thornton | Oklahoma | Professional Services | private | — | — |
| Keap | Arizona | Technology, Retail, Professional Services | private | — | — |
| Kirkland & Ellis | Illinois | Professional Services | private | — | — |
| KPMG | New York | Professional Services | — | — | — |
| LegalShield | Oklahoma | Professional Services | private | — | — |
| OMD Worldwide | New York | Professional Services | subsidiary | — | — |
| PricewaterhouseCoopers | New York | Professional Services | private | — | — |
| Red Ventures | North Carolina | Technology, Professional Services | private | — | — |
| Skidmore, Owings & Merrill | Illinois | Professional Services | private | — | — |
| Slalom Consulting | Washington | Professional Services | private | — | — |
| Sullivan & Company | New York | Professional Services | private | — | — |
| Blue State Digital | Washington | Professional Services | private | — | — |
| Displays2Go | Rhode Island | Retail, Professional Services | private | — | — |
| Doe-Anderson Inc. | Kentucky | Professional Services | private | — | — |
| Eide Bailly LLP | North Dakota | Finance, Manufacturing, Professional Services | private | — | — |
| Elwood Staffing | Indiana | Professional Services | — | — | — |
| GumCo | Utah | Professional Services | private | — | — |
| JDA Software | Arizona | Technology, Professional Services | subsidiary | — | — |
| LaPorte CPAs and Business Advisors | Louisiana | Professional Services | private | — | — |
| McKinney | North Carolina | Professional Services | subsidiary | — | — |
| MDB Communications | Washington | Professional Services | private | — | — |
| The Asia Group | Washington | Professional Services | private | — | — |
| Towers Perrin | Connecticut | Finance, Professional Services | private | — | — |
| Valpak | Florida | Professional Services | private | — | — |
| Viad | Arizona | Professional Services | private | — | — |
| Volkert, Inc. | Alabama | Manufacturing, Professional Services | private | — | — |
| West Monroe Partners | Illinois | Finance, Retail, Manufacturing, Professional Services | private | — | — |
| Westat | Maryland | Professional Services | private | — | — |