X0101 EFFECT 33 LIVE 2020-07-30 16:00:00

S-4

0001401257 FORUM ENERGY TECHNOLOGIES, INC. 333-239684 0001615174 ZY-TECH GLOBAL INDUSTRIES, INC. 333-239684-13 0001615173 Z Resources Inc. 333-239684-12 0001615172 Z Explorations, Inc. 333-239684-11 0001788995 Houston Global Heat Transfer LLC 333-239684-10 0001788862 Global Tubing, LLC 333-239684-09 0001615139 Global Flow Technologies, Inc. 333-239684-08 0001615156 FORUM US, INC. 333-239684-07 0001615249 FORUM INTERNATIONAL HOLDINGS, INC. 333-239684-06 0001615195 FORUM GLOBAL TUBING LP 333-239684-05 0001615191 FORUM GLOBAL TUBING LLC 333-239684-04 0001682298 Forum Global Holdings, LLC 333-239684-03 0001615187 FET HOLDINGS, LLC 333-239684-02 0001615189 FORUM ENERGY SERVICES, INC. 333-239684-01