PLUMBERS Licensed - Benefits plan includes medical, dental, LTD, 401K, sick, holiday and vacation pay. Call 800-304-XXXX.PLUMBERS Licensed - Benefits program includes medical, dental, LTD, 401K, sick, holiday and vacation pay. Call 800-304-XXXX.PLUMBERS Licensed - Benefits plan includes medical, dental, LTD, 401K, sick, holiday and vacation pay. Call 800-304-XXXX.