Mechanical Dynamics & Analysis Llc 401(k) Plan: Login, Facts & Contact Information

Mechanical Dynamics & Analysis Llc 401(k) Plan Facts

Plan name
MECHANICAL DYNAMICS & ANALYSIS LLC 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
MECHANICAL DYNAMICS & ANALYSIS LLC
Participants
732 (634 active employees)
Former employees with a balance
129
Plan assets
$123,562,157 at Dec 31, 2024
Average account balance
$160,679 across 769 accounts
Employer contributions
$3,857,227 in plan year 2024 (31% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1987
✓ 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 Sep 30, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $12.5 million went into the plan in contributions, $3.86 million of it from the employer (31%).
  • $10.5 million was paid out to participants.
  • Investment and other income added $17.6 million.
  • Administrative expenses were $116,596, about $152 per account.

How the Mechanical Dynamics & Analysis Llc 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019456$71.8 million$2.08 million$5.88 million
2020672$89.3 million$2.97 million$6.23 million
2021647$100.8 million$2.17 million$9.15 million
2022653$83.1 million$2.31 million$7.65 million
2023688$104.0 million$3.25 million$6.97 million
2024732$123.6 million$3.86 million$10.5 million

Mechanical Dynamics & Analysis Llc 401(k) Contact Information

Phone
518-399-3616
Mailing address
25 BRITISH AMERICAN BOULEVARD, LATHAM NY 12110
Plan sponsor
MECHANICAL DYNAMICS & ANALYSIS LLC
Employer identification number (EIN)
20-3400458
Plan number
001

Questions about the Mechanical Dynamics & Analysis Llc 401(k)

Does Mechanical Dynamics & Analysis Llc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $3.86 million, 31% of all contributions.

Does the Mechanical Dynamics & Analysis Llc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Mechanical Dynamics & Analysis Llc 401(k) plan?

732 participants at the start of plan year 2024, 634 of them active employees, and 129 former employees who still had money in the plan.

What is the average 401(k) balance at Mechanical Dynamics & Analysis Llc?

About $160,679 per account: $123.6 million in plan assets across 769 accounts with a balance at the end of plan year 2024.

Who manages the Mechanical Dynamics & Analysis Llc 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 Mechanical Dynamics & Analysis Llc. 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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