Hi Natasha,
I would direct you to page 180 of the BioBiochem CC where a master list of secreted enzymes, and where these enzymes are made.
The small intestine makes these moelcuels in the intestinal glands:
1. sucrase
2. maltase
3. lactase
4. aminopeptidase
5. dipeptidases
6. enterokinase
7. enterogastrone
6 and 7 are much more important to know than 1-5.
I hope this helps!
Katt