A pitless adapter made by Maas Midwest (spec sheet can be found here):
The pump! This is a Franklin Electric "J-Class SandHandler" submersible pump, model #7JS1S4; it is rated at 1 horse-power, 7 gallons-per-minute, and weighs 28 pounds:
A brass check valve from Flomatic:
This should capture the majority of the critical hardware needed to finish the well job.