ASV: for your fellowship in furtherance of the gospel from the first day until now;
BBE: Because of your help in giving the good news from the first day till now;
DBY: because of your fellowship with the gospel, from the first day until now;
KJV: For your fellowship in the gospel from the first day until now;
WEY: I thank my God, I say, for your cooperation in spreading the Good News, from the time it first came to you even until now.
WBS: For your fellowship in the gospel from the first day until now;
WEB: for your partnership in furtherance of the Good News from the first day until now;
YLT: for your contribution to the good news from the first day till now,
