Acts.20.4  Sopater of Beroea, the son of Pyrrhus, accompanied him; and of the Thessalonians, Aristarchus and Secundus; and Gaius of Derbe, and Timothy; and the Asians, Tychicus and Trophimus.
Eph.6.21  Now that you also may know how I am and what I am doing, Tychicus the beloved brother and faithful minister in the Lord will tell you everything.
Col.4.7  Tychicus will tell you all about my affairs; he is a beloved brother and faithful minister and fellow servant in the Lord.
2Tim.4.12  Tychicus I have sent to Ephesus.
Titus.3.12  When I send Artemas or Tychicus to you, do your best to come to me at Nicopolis, for I have decided to spend the winter there.

Hyper-concordance v1.1, by Sean Boisen. Scripture verses taken from the Revised Standard Version, copyright 1952, 1971.