Employer with a benefit plan ยท SEC filer
SOUTHWEST GAS CORPORATION
8360 SOUTH DURANGO DRIVE, LAS VEGAS, NV 89113
EIN
88-0085720
SEC CIK
0000092416
SEC · 2026-08-05
Industry (SIC)
Natural Gas Transmisison & Distribution (4923)
SEC · 2026-08-05
State of incorporation
CA
SEC · 2026-08-05
Latest SEC filing
10-Q 2026-08-05
SEC · 2026-08-05
Benefit plan 1, 2024 filing
RETIREMENT PLAN FOR EMPLOYEES OF SOUTHWEST GAS CORPORATION
DOL · 2026-05-11
Participants (start of year)
4,577
DOL · 2026-05-11
Plan features
code 1A1E
DOL · 2026-05-11
Plan type
Single-employer plan
DOL · 2026-05-11
Business code (NAICS)
221210
DOL · 2026-05-11
Benefit plan 505, 2024 filing
INSURANCE WELFARE BENEFIT PLAN SOUTHWEST GAS CORPORATION
DOL · 2025-10-02
Participants (start of year)
699
DOL · 2025-10-02
Plan features
Life insurance
DOL · 2025-10-02
Plan type
Single-employer plan
DOL · 2025-10-02
Business code (NAICS)
221210
DOL · 2025-10-02