Southwest Gas Corporation 401(k) Plan: Login, Facts & Contact Information

Southwest Gas Corporation 401(k) Plan Facts

Plan name
SOUTHWEST GAS CORPORATION EMPLOYEES' INVESTMENT PLAN
Plan type
401(k) with employer contributions with a company-stock (ESOP) component
Plan sponsor
SOUTHWEST GAS CORPORATION
Participants
2,900 (2,450 active employees)
Former employees with a balance
493
Plan assets
$599,930,744 at Dec 31, 2024
Average account balance
$202,748 across 2,959 accounts
Employer contributions
$9,736,809 in plan year 2024 (26% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Apr 1, 1965
✓ Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments— Self-directed brokerage window— Profit sharing✓ Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Jun 25, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $37.2 million went into the plan in contributions, $9.74 million of it from the employer (26%).
  • $53.0 million was paid out to participants.
  • Investment and other income added $83.7 million.
  • Administrative expenses were $261,925, about $89 per account.

How the Southwest Gas Corporation 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20192,728$487.4 million$5.56 million$41.2 million
20202,740$539.1 million$5.73 million$40.6 million
20212,707$591.1 million$5.96 million$50.7 million
20222,778$464.9 million$6.70 million$56.6 million
20232,871$532.2 million$8.05 million$46.2 million
20242,900$599.9 million$9.74 million$53.0 million

Southwest Gas Corporation 401(k) Contact Information

Phone
702-876-7300
Mailing address
8360 SOUTH DURANGO DRIVE, LAS VEGAS NV 89113
Plan sponsor
SOUTHWEST GAS CORPORATION
Employer identification number (EIN)
88-0085720
Plan number
004

Questions about the Southwest Gas Corporation 401(k)

Does Southwest Gas Corporation contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $9.74 million, 26% of all contributions.

Does the Southwest Gas Corporation 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Southwest Gas Corporation 401(k) plan?

2,900 participants at the start of plan year 2024, 2,450 of them active employees, and 493 former employees who still had money in the plan.

What is the average 401(k) balance at Southwest Gas Corporation?

About $202,748 per account: $599.9 million in plan assets across 2,959 accounts with a balance at the end of plan year 2024.

Who manages the Southwest Gas Corporation 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Southwest Gas Corporation. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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