Heavy-Duty Valves, Flanges & Industrial Supplies.
One Supply Company LLC provides mission-critical piping supplies, valves, and fittings for Oil Field, Industrial, and Agricultural operations across Bakersfield and the Central Valley.
Choose How You Order
333 Sumner Street, Bakersfield
Conveniently located off Sumner Street near downtown Bakersfield and major oil routes. Stop by for immediate counter pickup or technical sizing assistance.
Built For The Heavy Industries That Power California
We stock the ratings, materials, and connections specified by Kern County field engineers, pump mechanics, and agricultural irrigation managers.
Oil Field Supplies
Drilling, production, and gathering line supplies. Gate valves, high-pressure 3000# & 6000# forged fittings, spiral wound gaskets, and relief valves tested for sour service and extreme cyclic pressures.
- API 6D, API 600 & API 602 Gate & Ball Valves
- ASME B16.20 Spiral Wound Gaskets (Style CG/CGI)
- Forged Steel A105N / A350 LF2 Fittings & Flanges
Industrial & Refining
Manufacturing, co-generation plants, boiler facilities, and chemical processors. Dependable pressure relief valves, strainers, weld neck flanges, and high-temp sealing solutions.
- ASME UV Code Pressure Relief Safety Valves
- Flanged & Threaded Wye (Y) Strainers
- ANSI 150# - 2500# Weld Neck, Blind & Slip-on Flanges
Agricultural & Irrigation
Central Valley agriculture demands dependable water transfer. Heavy malleable iron fittings, low-torque ball valves, filtration strainers, and gate valves designed to withstand harsh fertilizer and high flow.
- Galvanized & Black Malleable Iron Fittings
- Suction & Discharge Irrigation Wye Strainers
- Durable Agricultural Ball & Gate Valves
Industrial Supplies, Valves & Fittings
Browse our core Bakersfield inventory. Click any part to inspect pressure ratings, sizes, and specs, or instantly populate a quote request.
ValvesIn StockHeavy Duty Gate Valves
Cast and forged steel full-port gate valves engineered for bidirectional shutoff in high-pressure drilling, flowlines, and irrigation headers.
ValvesIn StockIndustrial & Pipeline Ball Valves
Floating and trunnion-mounted quarter-turn ball valves delivering bubble-tight shutoff with low torque operation in tough slurry, gas, and water applications.
ValvesIn StockPressure Relief & Safety Valves
ASME Section VIII and I certified overpressure relief safety valves. Protects pumps, vessels, pipeline manifolds, and pressure containment systems.
FlangesIn StockPiping Flanges & Heavy Stud Bolts
Weld neck, slip-on, blind, socket weld, threaded, and lap joint flanges manufactured to ASME/ANSI B16.5 standards with matched B7/2H stud packs.
Gaskets & SealingIn StockSpiral Wound Gaskets (Flexitallic Style)
Engineered V-shaped metallic winding strips with flexible graphite or PTFE fillers, complete with inner and centering guide rings for extreme pressure cycles.
Filtration & StrainersIn StockHeavy-Duty Wye (Y) Strainers
Compact Y-pattern pipeline strainers with stainless steel perforated screens and mesh liners designed to protect pumps, meters, and spray nozzles from debris.
FittingsIn StockMalleable Iron Fittings & Couplings
Class 150 and Class 300 malleable iron elbows, tees, unions, bushings, caps, and couplings in black and hot-dipped galvanized finishes.
FittingsIn StockHigh-Pressure Forged Steel Fittings
Threaded (NPT) and Socket Weld 2000#, 3000#, and 6000# forged carbon and stainless steel elbows, couplings, tees, swage nipples, and threadolets.
Walk-in Counter & Will-Call
Pull up to our Sumner Street yard for immediate counter pickup, will-call orders, and technical sizing help. Loading area accommodates service trucks and field pickups.
Counter Hours & Dispatch
Open early for oilfield and harvest schedules. After-hours emergency sourcing available for active rigs and critical downtime.
20 Years of Keeping Customers Happy.
For two decades, One Supply Company LLC has been the trusted counter for Oil Field, Industrial, and Agricultural operators across Bakersfield and the Central Valley. We built our reputation the way the oil patch builds everything — on showing up, knowing the specs, and having the right part on the shelf when the rig can't wait.
From a 2 a.m. gate valve emergency on a production pad to a Saturday irrigation fitting run during harvest, our team knows the ratings, materials, and standards your engineers specify — and we stand behind every part with full material traceability.
Send Your Parts List. We'll Quote It Fast.
Drop your specs, sizes, and quantities below. Our Bakersfield counter team responds with pricing, availability, and MTR documentation — usually the same business day.