These are Terumo Syringes with a Luer Slip tip.
Terumo is a worldwide leader in the design and manufacture of Hypodermic Syringes. Terumo pioneered many of today's most important hypodermic features such as ultra clear barrels, latex-free syringes, and an integrated plunger stop which helps prevent the plunger from being accidentally pulled out.
Syringe sizes include: