Note: This Directory is for firms serving business clients in the marijuana industry. So it's B2B only.
State(s) Served: Nationwide
Year Founded: 1900
Welch makes durable vacuum pumps used in processing extracted oils. Vacuum for: solvent removal (vacuum purge oven), butane recovery, rotary evaporators, filtration, and short-path distillation.
Contact info: 847-676-8800