William Cass

( Massachusetts )
Clients

1) Adobe Inc.

2) Associated Subcontractors of Massachusetts, Inc.

3) Association of Developmental Disabilities Providers, Inc.

4) Bally's Interactive, LLC

5) Blue Line Solutions LLC

6) Boston Carmen's Union ATU Local 589

7) Civic Roundtable

8) Conservice, LLC

9) Dell Marketing Limited Partnership

10) eBay, Inc.

11) EchoStor Technologies, LLC

12) EMD Serono, Inc.

13) Engine Manufacturers Association

14) Gainwell Technologies LLC

15) GFT Infrastructure, Inc.

16) Healthcare Distribution Alliance

17) Juniper Networks, Inc.

18) March of Dimes, Inc.

19) Massachusetts Court Reporters Association

20) Massachusetts Environmental Police Officer's Association

21) Massachusetts Land Title Association, Inc.

22) NATIONAL ASSOCIATION OF INSURANCE AND FINANCIAL AGENTS OF MASSACHUSETTS, INC.

23) National Association of Professional Employer Organizations

24) National Coalition of Assistive & Rehab Technology (NCART)

25) National Safety Council Inc.

26) New England HBPA (Horsemens Benevolent and Protective Association

27) Padagis US LLC

28) Partnership for Expanded Telemedicine Services (PETS), Inc.

29) PivotX Advisors

30) PROFESSIONAL AMBULANCE AND OXYGEN SERVICE, INC

31) Purfoods, LLC dba Mom's Meals

32) Robinhood Markets, Inc.

33) Sellers, Dorsey & Associates, LLC

34) Seniorlink, Inc.; d/b/a Careforth

35) Senture LLC

36) StubHub, Inc.

37) Subaru of New England, Inc.

38) Telligen Inc.

39) The Synthetic Turf Council, Inc.

40) UNITE USA INC

41) ZOLL Medical Corporation

Last Updated: June 23, 2026