| Business | Phone |
| Plunger Lift Systems Sales 111 E 11th St, Liberal 67901 | (620) 624-8100 |
| Panhandle Oil Field Svc Co 221 S Country Estates Rd, Liberal 67901 | (620) 624-6023 |
| National-Oilwell Varco 1340 Bluebell Rd, Liberal 67901 | (620) 624-1927 |
| Harbison-Fischer 1470 General Welch Blvd, Liberal 67901 | (620) 624-9042 |