Back to filter
Original filing (PDF)20250919075723NAL0002251697001
BOSTON LAB SERVICES, INC.
Form 5500-SF
FILING_RECEIVED
BOSTON LAB SERVICES, INC. 401(K) PLAN
401(k) retirement plan
Active participants
83
Accounts w/ balance
90
Plan assets (EOY)
$1.1M
Net assets (EOY)
$1.1M
Plan health score (directional)
89
/ 100
Grade A
Top-tier plan health
Directional indicator computed from public Form 5500 data — compliance, concentration, cost, vendor stack and participation. Not a fiduciary tool.
Compliance & disclosures
100
Concentration risk
75
Total plan cost
75
Vendor stack
100
Participation health
100
Helping the score
- Concentration not scored — Schedule of Assets PDF not yet parsed for this plan.
- No Schedule C compensation disclosed — likely a small plan or unbundled.
Decision-maker contacts
CFO / Head of HR / Benefits Manager — verified email + LinkedIn for BOSTON LAB SERVICES, INC..
Plan sponsor
Name
BOSTON LAB SERVICES, INC.
EIN
83-4626711
Address
80 INDUSTRIAL WAY · UNIT 7 · WILMINGTON, MA · 01887
Phone
(857) 225-0733
Industry
Professional & Technical Servicessee all
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
001
Plan year
2024
Plan year begin
2024-01-01
Tax period
2024-12-31
Filed
2025-09-19
Pension benefit codes
2E · Profit-sharing
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
2S · Automatic enrollment
2T · Default investment account (QDIA)
3D · Pre-approved plan (master / prototype / VS)
Audit & trust (Schedule H)
Auditor
—
Trustee / custodian
—
Trustee phone
—
Small plan (5500-SF) — Schedule H data not available.
Service providers (Schedule C)
Small plans don't disclose service providersRelated plans
Similar-size Professional & Technical Services plans
CORE COMMUNICATIONS, LLC
CORE COMMUNICATIONS, LLC 401(K) PROFIT SHARING PLAN
$1.1M · 9 participants
HILL COUNTRY WIND POWER, LP
HILL COUNTRY WIND POWER, LP CASH BALANCE PLAN
$1.1M · 5 participants
CONTRAST DESIGNWORKS, LLC
CONTRAST DESIGNWORKS, LLC 401(K) PLAN
$1.1M · 15 participants
WELLNESS, INC.
WELLNESS, INC. CASH BALANCE PLAN
$1.1M · 7 participants
LANDIS CONSULTING SOLUTIONS INC.
LANDIS CONSULTING SOLUTIONS, INC 401(K) PLAN
$1.1M · 2 participants
WILLAMETTE PARTNERSHIP
WILLAMETTE PARTNERSHIP 401K PLAN
$1.1M · 11 participants
Large plans in Massachusetts
FIDELITY MANAGEMENT TRUST COMPANY
FIDELITY GROWTH COMPANY COMMINGLED POOL
$91.5B
STATE STREET GLOBAL ADVISORS TRUST COMPANY
STATE STREET S&P 500(R) INDEX NON-LENDING SERIES FUND CLASS A
$91.0B
FIDELITY MANAGEMENT TRUST COMPANY
FIDELITY CONTRAFUND COMMINGLED POOL
$59.7B
STATE STREET GLOBAL ADVISORS TRUST COMPANY
STATE STREET S&P 500(R) INDEX SECURITIES LENDING SERIES FUND CLASS I
$53.6B
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC
SPARTAN GROUP TRUST FOR EMPLOYEE BENEFIT PLANS SPARTAN 500 INDEX POOL
$47.6B
STATE STREET GLOBAL ADVISORS TRUST COMPANY
STATE STREET S&P 500(R) INDEX SECURITIES LENDING SERIES FUND CLASS II
$46.7B