Back to filter
Original filing (PDF)20251223124431NAL0025199250001
CORNERSTONE AIR CONDITIONING, INC.
Form 5500-SF
FILING_RECEIVED
CORNERSTONE AIR CONDITIONING, INC. 401(K) RETIREMENT SAVINGS PLAN
401(k) retirement plan
Active participants
15
Accounts w/ balance
15
Plan assets (EOY)
$5.3M
Net assets (EOY)
$5.3M
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 CORNERSTONE AIR CONDITIONING, INC..
Plan sponsor
Name
CORNERSTONE AIR CONDITIONING, INC.
EIN
99-0344179
Address
1318 D HART STREET · HONOLULU, HI · 968174972
Phone
(808) 847-3639
Industry
Plumbing, Heating, AC Contractors· Constructionsee all
Plan administrator
Same as plan sponsor.
Plan characteristics
Plan number
001
Plan year
2024
Plan year begin
2024-07-01
Tax period
2025-06-30
Filed
2025-12-23
Pension benefit codes
2A · Age/service weighted or new comparability
2E · Profit-sharing
2F · ERISA section 404(c)
2G · Total participant-directed accounts
2J · 401(k) feature
2K · 401(m) arrangement
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 Plumbing, Heating, AC Contractors plans
SOUTH COAST MECHANICAL, INC.
SOUTH COAST 401(K) PLAN
$5.3M · 86 participants
MJ BAUMANN CO., INC.
MJ BAUMANN CO., INC. 401(K) PLAN
$5.3M · 71 participants
T. S. RAULSTON, INC.
T. S. RAULSTON, INC. 401(K) PROFIT SHARING PLAN
$5.3M · 7 participants
M & O CORPORATION
M & O CORPORATION PROFIT SHARING PLAN
$5.3M · 35 participants
SHERWOOD MECHANICAL, INC.
SHERWOOD MECHANICAL, INC. EMPLOYEE STOCK OWNERSHIP PLAN
$5.3M · 96 participants
SCHLOSSER & ASSOCIATES
SCHLOSSER & ASSOCIATES 401(K) SALARY REDUCTION PLAN AND TRUST
$5.3M · 44 participants
Large plans in Hawaii
THE QUEEN'S HEALTH SYSTEMS
THE QUEEN'S HEALTH SYSTEMS RETIREMENT SAVINGS PLAN
$2.0B · 9,266 participants
HAWAIIAN ELECTRIC INDUSTRIES, INC.
RETIREMENT PLAN FOR EMPLOYEES OF HAWAIIAN ELECTRIC INDUSTRIES, INC. AND PARTICIPATING SUBSIDIARIES
$1.9B · 2,139 participants
HAWAI'I PACIFIC HEALTH
HAWAI'I PACIFIC HEALTH 403(B) SAVINGS PLAN
$1.5B · 7,654 participants
HAWAIIAN ELECTRIC INDUSTRIES, INC.
HAWAIIAN ELECTRIC INDUSTRIES RETIREMENT SAVINGS PLAN AND AMERICAN SAVINGS BANK 401(K) PLAN MASTER TRUST
$967.1M
BANK OF HAWAII
BANK OF HAWAII RETIREMENT SAVINGS PLAN
$819.9M · 1,861 participants
HAWAIIAN ELECTRIC INDUSTRIES, INC.
HAWAIIAN ELECTRIC INDUSTRIES RETIREMENT SAVINGS PLAN
$780.7M · 2,688 participants
