401K. 401(k) Match and Savings Plan. Save for your future with Clark's 401(k) Savings Plan and generous company match. Image.A 401(k) plan is a taxadvantaged retirement account with a company match and a choice between Roth and traditional 401(k) contributions. Clark University Retirement Plan ("Plan") has been adopted to provide you with the opportunity to save for retirement on a tax advantaged. ERISA 401(k) And Other Defined Contribution Plans Must Add Lifetime Annuity Illustrations to Benefit Statements. This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). View the benefits offered to Clark employees, including: health insurance, 403(b) retirement plans, group life insurance, vacation and sick time. To log in and access your Clark Construction Group, Llc 401(k) plan online, visit the Vanguard website website and enter your username and password. A solo 401(k) is a retirement plan for the selfemployed. Here's how to set up a solo 401(k), the contribution limits and the rules.