William Castelli

( Maryland )
  • 225 Duke of Gloucester StreetSuite 200AnnapolisMD21401

Clients

1) Access Holdings Management Company, LLC

2) ASC Engineered Solutions

3) Berkshire Hathaway Energy GT&S, LLC

4) Board of County Commissioners of Allegany County, MD

5) Brown Advisory

6) Cable Telecommunications Association of Maryland, Delaware and D.C., Inc.

7) Colonial Pipeline Company

8) Corebridge Financial Group

9) Curio Wellness

10) Empower

11) Enterprise RAC Company of Baltimore, LLC and its Affiliates DBA Enterprise Mobility

12) Fair Hill Condominium Association

13) FedEx Corporation

14) Friends of Patapsco Valley State Park

15) Google LLC and its Affiliates

16) H & H Rock Companies

17) Hims, Inc.

18) Horizon Land Company

19) JMI Management LP

20) Land Preservation Trust

21) Maryland Academy of Pediatric Dentists

22) Maryland Automobile Dealers Association

23) Maryland Care Inc. dba Maryland Physicians Care

24) Maryland REALTORS

25) Maryland Tech Council

26) Medallia, Inc.

27) NaphCare Inc.

28) Nareit

29) Pepco Holdings, LLC.

30) PGA of America

31) Pharmaceutical Care Management Association (PCMA)

32) Premium Cigar Retailers Association of Maryland

33) Prologis, Inc.

34) Real Time Medical Systems

35) Roland Park Community Foundation

36) SCI Management

37) Sheppard Pratt Health Systems

38) Skyline Technology Solutions

39) Spotless Brands

40) Terra Firma Retreat Center

41) ThinkBig Networks LLC

42) UPMC Western Maryland

43) Washington Area New Automobile Dealers Association (WANADA)

44) Waste Management of Maryland

Last Updated: June 19, 2025