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Industry guide · NAICS 332 · Updated September 2026

Retirement plans for machine shops & metal fabrication

Your best machinist has been at the same Bridgeport for nineteen years and could leave for a dollar more an hour tomorrow. In this industry a retirement plan is a retention tool that happens to also clear a state mandate.

The short answer

Fabricated-metal job shops are the rare case where the compliance argument is the weakest argument. Skilled machinists, programrs and welders are genuinely scarce in Los Angeles and Orange County, they stay for decades when they are treated well, and the prime contractors above you increasingly ask what your workforce retention looks like. A 401(k) with a real employer contribution and a vesting schedule is a hiring and holding instrument. Separately, and often more urgently: the owner is typically 55 to 65, has every dollar of net worth in the building and the machines, and has a narrow window in which a cash balance plan layered on the 401(k) can move serious money out of the business each year on a deductible basis.

Why this industry is different

The mandate treats every employer alike. The payroll realities underneath don't cooperate:

  • Capital equipment absorbs every free dollar. A five-axis machining center or a new press brake is a six-figure decision that competes directly with any benefits budget, and it always wins in the short run because it is the thing that wins the next job.
  • Skilled labor is scarce and long-tenured. The apprentice pipeline in Southern California metalwork thinned out decades ago. Losing a manual machinist or a CNC programr with twenty years in your part families is not a hiring problem, it is a capacity problem — which flips the usual logic: the plan is cheaper than the vacancy.
  • The owner base is aging with no succession plan and no buyer. Retirement here usually means selling the shop, and the shop is worth what the equipment and the customer list are worth — a number the owner rarely tests until the year they need it.
  • Tier-2 and tier-3 aerospace suppliers face flowdown scrutiny. Primes and their tier-1s now ask about workforce stability, training and benefits during supplier qualification. "We do not offer anything" is an answer with commercial consequences.
  • Nobody in the building administers benefits. The owner runs quoting, the office manager runs payroll and AP, and any plan that needs monthly attention will not get it.
1,858
machine shops & metal fabrication establishments in Los Angeles County alone.
Source: Census County Business Patterns 2022, NAICS 332
$18,000
first-cycle penalty exposure for a typical 24-person shop that ignores its notices — then $12,000 a year.
Source: Cal. Gov. Code § 100033(b)

What actually works

Start with the retention half. A safe harbor 401(k) exempts the plan from ADP/ACP testing and satisfies the top-heavy minimum in most designs, which matters in a shop where the owner and one or two key people are far and away the highest paid. Where retention is the point, a graded vesting schedule on the profit sharing source is the honest lever — it says plainly that money accrues to people who stay, without pretending the shop can afford to hand it to a hire who lasts a month. Deferral-only participation costs you nothing; the employer contribution is where you decide how hard the plan is working for you.

Then the owner half, which is usually the larger opportunity on this page. An owner in their late 50s with strong shop income and a small, younger staff census is close to the textbook case for a cash balance plan stacked on a 401(k). Because cash balance limits are actuarial rather than the flat defined-contribution caps, allowable contribution room rises sharply with age — the same structure that yields a modest number for a 40-year-old can be substantially larger at 58. It carries a real funding commitment and annual actuarial cost, so it fits shops with stable, defensible income rather than shops living quarter to quarter, and the number is determined by an actuary against your census, not quoted in advance by us. If the business is also the retirement plan, this is the conversation to have five years before the sale, not during it.

The SECURE 2.0 credits frequently cover most of the first three years' administration for employers under 50 staff — the formula, worked honestly — and if after the arithmetic CalSavers is still the right answer for your shop, we'll say so: the full comparison · run your own numbers.

On succession. For most owners on this page the retirement plan and the exit plan are the same conversation. A qualified plan moves money out of the business into your name each year on a deductible basis, which reduces how much of your retirement depends on finding a buyer for a building full of machine tools in a specific year. It is not a substitute for a buy-sell agreement or a valuation, and we do not broker business sales — but the plan is the piece you can start now, without a transaction.

By county

This guide is statewide. The county pages go local — where the industry physically clusters, which cities it sits in, and the municipal rules that stack on top of the state mandate.

Where this industry clusters near us

Machine Shops & Metal Fabrication questions

I am 58 and the shop is my retirement. How much can I actually put away in a year?

More than most owners expect, and the number is age-driven. A 401(k) lets you defer $24,500 in 2026 plus the $8,000 age-50 catch-up, and employer profit sharing on top can push total defined-contribution additions well beyond that. A cash balance plan layered on top adds a further actuarially-determined amount that grows with age and can be large for an owner in their late 50s with a young, modestly-paid staff census. What it is for you depends on your age, your W-2 compensation and every employee's age and pay — an actuary calculates it; nobody should quote you a figure before seeing the census.

Will a 401(k) actually help me keep machinists?

It is one input, not a guarantee, and we will not tell you otherwise. What we can say concretely is that a plan gives you something specific to put in a job posting and in a counter-offer that a raise does not: an employer contribution that accrues, with a vesting schedule that rewards staying. In a trade where a strong programr has three shops within ten miles who would hire them on Friday, having a benefit to name is a different negotiating position from having none.

Our prime contractor sent a supplier questionnaire asking about employee benefits. Does this matter?

It comes up in supplier qualification and in the quality-system audits that go with AS9100 certification, usually under workforce competence, training and retention rather than as a benefits requirement as such. It is not a pass/fail item on its own. But when a tier-1 is choosing between two qualified shops for a long-cycle part, a stable workforce is part of what they are buying, and turnover is the risk they are pricing. See the aerospace supplier page for the certification and fringe-obligation side of that relationship.

We are 24 people. Is CalSavers not simpler?

Simpler, yes, and it is free to you. But it accepts no employer money at all, so it cannot be a retention tool — there is nothing to vest and nothing to match. Contributions go into a Roth IRA capped at $7,500 for 2026, and if your income puts you near or above the Roth phase-out (roughly $168,000 single, $252,000 married), you personally cannot use it. For a shop where the owner is behind on their own retirement and cannot afford to lose a machinist, those are the two things CalSavers cannot do. If neither applies to you, we will tell you to register and get on with your day — the state program, compared honestly.

Educational information, not legal or tax advice. Establishment counts are from Census County Business Patterns (most recent published by-industry figures). Confirm your CalSavers obligations at (855) 650-6916 and with your CPA; consult ERISA counsel on plan design. Aduna Capital LLC is not affiliated with CalSavers, is registered as an investment adviser in California, and works from its principal office in Norwalk.

A plan designed around machine shops & metal fabrication — not around the average employer

We design around the census you actually have — turnover, seasonality, pay structure and all. Fifteen minutes, no charge, and a straight answer.