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30 Worcester Business Journal | January 12, 2026 | wbjournal.com Let's hit it out of the park together. Real estate loans Business term loans Business lines of credit clintonsavings.com Commerical Construction loans SBA 7A and 504 loans Call our All-Star Lending Team today at 978-365-3450. Largest labor unions Ranked by number of members ((11)) Union Members/ maximum annual dues (2) PAC fund Assets/ liabilities Receipts/ disbursements Leader(s)/ annual salary (3) 1 Laborers' International Union of North America, District Council (LIUNA) 7 Laborers' Way, Hopkinton 01748 508-435-4164 • liuna.org, masslaborers.org 21,095 $504 No $35,822,995 $8,755,266 $42,664,749 $41,315,751 Joseph Bonfiglio business manager $335,315 2 Service Employees International Union, Local 509 (SEIU) 293 Boston Post Road West, 4th Floor, Marlborough 01752 774-843-7509 • seiu509.org 20,327 N/A (4) Yes $20,405,576 $2,974,501 $18,810,537 $16,031,751 Dave Foley president $135,441 3 National Postal Mail Handlers Union, Local 301 (NPMHU) 971 Worcester St., Natick 01760 508-651-2227 • npmhul301.org 6,665 N/A (5) No $2,965,669 $5,499 $2,929,856 $2,662,516 Daniel W. St. Marie president $136,909 4 International Union of Operating Engineers, Local 4 (IUOE) 16 Trotter Drive, Medway 02053 508-533-1433 • iuoelocal4.org 5,602 $900 Yes $43,396,426 $670,319 $31,008,567 $28,542,990 Michael Bowes business manager $358,988 5 International Brotherhood of Teamsters, Local 170 (IBT) 330 Southwest Cutoff, Suite 201, Worcester 01604 508-799-0551 • teamsterlocal170.com 3,829 $1,272 Yes $4,318,084 $133,456 $3,748,105 $3,491,178 Shannon R. George secretary & treasurer $142,989 6 International Association of Machinists and Aerospace Workers, Lodge 264 (IAM) 300 W. Main St., Suite A2, Northborough 01532 508-351-6549 • iam264boston.com 1,670 $1,860 No $983,585 $0 $334,173 $220,566 Jeb Mastandrea president $5,525 7 United Brotherhood of Carpenters and Joiners of America, Local 336 (CJA) 29 Endicott St., Worcester 01610 508-886-5950 • nasrcc.org/local/local-336-worcester 1,565 $252 Yes $153,947 $0 $551,507 $604,193 Charles Payne president $8,683 8 American Federation of Government Employees, SSA Office of Hearing Operations, Leadership Council 215 (AFGE) P.O. Box 30007 (6), Worcester 01603 774-230-1453 • afge.org 1,435 $600 No $42,270 $0 $19,186 $20,650 Richard Couture president $0 9 International Association of Bridge, Structural and Ornamental Iron Workers, AFL-CIO, Local 852 (BSOIW) 9 Pleasant St., Framingham 01701 508-202-9453 • ironworkers852.org 1,142 $720 No $905,512 $41,336 $1,108,768 $648,400 Ryan Williams president $69,210 10 Retail, Wholesale and Department Store Union, New England Joint Board (RWDSU) 14 Manning Ave., Suite 302, Leominster 01453 978-534-6534 • nejb.org 1,122 $624 No $327,226 $36,140 $856,556 $807,282 Maria "Tina" Buonaugurio president $180,489 11 National Association of Letter Carriers, Branch 12 (NALC) 55 Park Ave., Worcester 01605 508-756-7426 • nalc.org 922 $806 No $875,493 $0 $332,342 $288,094 Michael Cipro president $44,688 12 Central Mass. American Federation of Labor and Congress of Industrial Organizations, Steelworkers Local 2936 (USW) 400 Washington St., Auburn 01501 508-832-4218 • cmaflcio.org 832 N/A (7) No $664,742 $0 $134,469 $127,807 Joseph Carlson president $8,387 (8) 13 American Postal Workers Union, Local 4553 (APWU) 426 Pakachoag St., Auburn 01501 508-755-6833 • cmal-apwu.org 631 $922 No $215,075 $477 $389,297 $378,086 Keith Richard president $88,209 14 Laborers' International Union of North America, Local 609 (LIUNA) 3 Pierce St., Framingham 01701 508-875-5282 • laborerslocal609.com 612 $516 No $2,847,823 $0 $1,738,856 $1,763,485 Wendall Gardner business manager $152,226 Source: Each union's form LM-2 or LM-3 filing with the U.S. Department of Labor Management and Standards. Notes: List includes labor unions with offices based in Central Mass. Unions with offices outside of the region may have local members. N/A=not applicable or not available, PAC=political action committee (1) For latest fiscal year available (2) Actual dues may vary, have additional initiation fees or per-hour working dues. (3) Gross salary disbursements before deductions (4) 1.5% per pay period (5) $32 per pay period (6) P.O. Box 30007 is for AFGE Local 1164. (7) 2.8% per month (8) As reported for former president, Phillip Lincoln, per 2024 filing -Compiled by Heide Martin, hmartin@nebusinessmedia.com THE LIST