Commercial & Professional Services — US stocks
The Commercial & Professional Services sector includes 75 listed US companies with a combined market capitalization of $561B. Its largest constituent is Waste Management, Inc. Common Stock (WM). Below are the biggest Commercial & Professional Services stocks and the latest news across them.
Largest Commercial & Professional Services stocks
- 1Waste Management, Inc. Common StockWM$88Bmarket cap
- 2CintasCTAS$72Bmarket cap
- 3Republic Services, Inc. Common StockRSG$64Bmarket cap
- 4RELX PLC PLC American Depositary Shares (Each representing One Ordinary Share)RELX$61Bmarket cap
- 5Waste Connections, Inc. Common SharesWCN$39Bmarket cap
- 6CopartCPRT$29Bmarket cap
- 7Verisk AnalyticsVRSK$24Bmarket cap
- 8Rollins, Inc. Common StockROL$22Bmarket cap
- 9Equifax, Inc. Common StockEFX$21Bmarket cap
- 10RB Global, Inc. Common StockRBA$20Bmarket cap
- 11Clean Harbors, Inc. Common StockCLH$15Bmarket cap
- 12CoStar GroupCSGP$14Bmarket cap
- 13Tetra TechTTEK$7Bmarket cap
- 14MSA Safety Incorporated Common StockMSA$6Bmarket cap
- 15Casella Waste SystemsCWST$5Bmarket cap
- 16VSEVSEC$5Bmarket cap
- 17ADT Inc. Common StockADT$5Bmarket cap
- 18FTI Consulting, Inc. Common StockFCN$5Bmarket cap
- 19Brinks Company (The) Common StockBCO$4Bmarket cap
- 20Unifirst Corporation Common StockUNF$4Bmarket cap
- 21Brady Corporation Common StockBRC$4Bmarket cap
- 22Korn Ferry Common StockKFY$4Bmarket cap
- 23Robert Half Inc. Common StockRHI$3Bmarket cap
- 24ExponentEXPO$3Bmarket cap
- 25McGrath RentMGRC$3Bmarket cap
- 26CimpressCMPR$2Bmarket cap
- 27ABM Industries Incorporated Common StockABM$2Bmarket cap
- 28Pitney Bowes Inc. Common StockPBI$2Bmarket cap
- 29HNI Corporation Common StockHNI$2Bmarket cap
- 30TriNet Group, Inc. Common StockTNET$2Bmarket cap
Latest Commercial & Professional Services news
Commercial & Professional Services — frequently asked
What are the largest Commercial & Professional Services stocks?
The biggest US Commercial & Professional Services companies by market cap include Waste Management, Inc. Common Stock (WM), Cintas (CTAS), Republic Services, Inc. Common Stock (RSG), RELX PLC PLC American Depositary Shares (Each representing One Ordinary Share) (RELX), Waste Connections, Inc. Common Shares (WCN). The full ranked list is shown above.
How big is the US Commercial & Professional Services sector?
The Commercial & Professional Services sector spans 75 listed US companies with a total market capitalization of about $561B.
Where can I see Commercial & Professional Services news?
The latest stories across Commercial & Professional Services companies are listed in the news section on this page, updated as they are published.
Market capitalization figures are aggregated from listed US companies and provided for information only — not investment advice.

