Irreversible steps of Glycolysis are catalyzed by:
Irreversible Steps of Glycolysis

Hexokinase
Phosphofructokinase
Pyruvate Kinase.

Note-All the Kinases are irreversible except 1,3 Bisphosphoglyceratekinase which is reversible.
Haper 30th edition Pg-170
Hexokinase, Phospho Glycerate Kinase, Pyruvate Kinase
Pyruvate Kinase, Fructose 1,6 Bisphosphatase, Phosphofructokinase
Hexokinase,  Phosphofructokinase,  Pyruvate Kinase
Glucokinase, Pyruvate Kinase, Glyceraldehyde 3 Phosphate Dehydrogenase