Ranking People Records within the Same Company for Staggered Campaigns

Is there a way to rank preople records from the same company? the hack with "lookup record in other table" doesn't work anymore, and I need to be able to put a number for each person in a givne company, ie 1, 2, 3, 4, 5 for each of the 5 employees at a given company in a big list so I can send them different /staggered camapigns https://www.loom.com/share/68b02209113f4076a966ac0307a56ab3?sid=b0ab8fb5-7688-40f4-a9e5-b215182eabd1