These have intracellular receptors. These are mostly steroids. Note, T3 and T4 are proteins. 

Here’s the Gq agonists. They mostly vasoconstrict.

These use Gs. This is the most popular category.

These use cGMP. They vasodilate.

These use the JAK/STAT pathway. 

Here’s the Receptor Tyrosine Kinase pathway. The insulin boys. Strongly anabolic.

Here’s a summary. 

Finally, here’s some pathology. Red blocks, green overactivates.