Verses with the word companies in the Old Testament (16 verses):

Judges 7:16
And he divided the three hundred men into three companies, and he put a trumpet in every man's hand, with empty pitchers, and lamps within the pitchers.

Judges 7:20
And the three companies blew the trumpets, and brake the pitchers, and held the lamps in their left hands, and the trumpets in their right hands to blow withal: and they cried, The sword of the LORD, and of Gideon.

Judges 9:34
And Abimelech rose up, and all the people that were with him, by night, and they laid wait against Shechem in four companies.

Judges 9:43
And he took the people, and divided them into three companies, and laid wait in the field, and looked, and, behold, the people were come forth out of the city; and he rose up against them, and smote them.

Judges 9:44
And Abimelech, and the company that was with him, rushed forward, and stood in the entering of the gate of the city: and the two other companies ran upon all the people that were in the fields, and slew them.

1 Samuel 11:11
And it was so on the morrow, that Saul put the people in three companies; and they came into the midst of the host in the morning watch, and slew the Ammonites until the heat of the day: and it came to pass, that they which remained were scattered, so that two of them were not left together.

1 Samuel 13:17
And the spoilers came out of the camp of the Philistines in three companies: one company turned unto the way that leadeth to Ophrah, unto the land of Shual:

2 Kings 5:2
And the Syrians had gone out by companies, and had brought away captive out of the land of Israel a little maid; and she waited on Naaman's wife.

1 Chronicles 9:18
Who hitherto waited in the king's gate eastward: they were porters in the companies of the children of Levi.

1 Chronicles 28:1
And David assembled all the princes of Israel, the princes of the tribes, and the captains of the companies that ministered to the king by course, and the captains over the thousands, and captains over the hundreds, and the stewards over all the substance and possession of the king, and of his sons, with the officers, and with the mighty men, and with all the valiant men, unto Jerusalem.

Nehemiah 12:31
Then I brought up the princes of Judah upon the wall, and appointed two great companies of them that gave thanks, whereof one went on the right hand upon the wall toward the dung gate:

Nehemiah 12:40
So stood the two companies of them that gave thanks in the house of God, and I, and the half of the rulers with me:

Job 6:19
The troops of Tema looked, the companies of Sheba waited for them.

Isaiah 21:13
The burden upon Arabia. In the forest in Arabia shall ye lodge, O ye travelling companies of Dedanim.

Isaiah 57:13
When thou criest, let thy companies deliver thee; but the wind shall carry them all away; vanity shall take them: but he that putteth his trust in me shall possess the land, and shall inherit my holy mountain;

Ezekiel 26:7
For thus saith the Lord GOD; Behold, I will bring upon Tyrus Nebuchadrezzar king of Babylon, a king of kings, from the north, with horses, and with chariots, and with horsemen, and companies, and much people.