Here is the full list of all 15 Pizza Man achievements.
Work for 320s+
5 Pizzas
Work for 260s+
Work for 200s+
Score $50+
Score $100+
Score $150+
Score $200+
Score $250+
Score $300+
10 Pizzas
15 Pizzas
20 Pizzas
25 Pizzas
Work for 400s+