Warehouse associate walking through the Superior Industrial Supply distribution facility
St. Louis, MO · Est. 1969

MRO Supply and Vendor Managed Inventory That Keeps Your Operation Running

20,000+ industrial products in stock, VMI and vending programs built around your floor, and a local team that actually picks up the phone. Fewer vendors. Faster answers. Zero stockouts.

56 YrsIn Business
20,000+SKUs In Stock
23,000 sfSt. Louis Facility
Same-DayLocal Delivery

What We Actually Do

Not Just a Parts Shelf — Your MRO Operations Partner

MRO stands for Maintenance, Repair & Operations — every consumable, tool, and fitting your team burns through to keep production running. Most distributors just sell you the part. We take on the harder job: making sure the right part is already there before you run out, so your buyers stop firefighting and your lines stop stopping.

Vendor Managed InventoryWe monitor, restock, and report on your critical MRO supplies — automatically.
Industrial VendingPoint-of-use control for fasteners, PPE, and consumables, 24/7.
Custom Hose AssemblySTAMPED-spec builds and 24/7 emergency hose repair.
One-Source Supply20,000+ SKUs on-site, hundreds of thousands more a call away.
Raycap-branded VMI vending machine and managed inventory shelving system

Vendor Managed Inventory

Stop Stockouts. Cut Inventory. Increase Uptime.

We shift inventory management off your team and onto ours — assessing usage, installing organized inventory points, and automating replenishment so your critical MRO supplies are always there when production needs them.

20–30%Inventory reduction within 90 days
98%+Fill rate on critical items
4–8 hrsAdmin time saved per week
↓ FreightFewer rush orders & emergency buys
See How VMI Works
Custom hydraulic hose fittings built by Superior Industrial Supply STAMPED-Spec Builds

Custom Hose Assembly & Repair

Hydraulic Down? We Answer That Call.

Every hose we build follows the STAMPED method — Size, Temperature, Application, Material, Pressure, Ends, Delivery — so the assembly on your dock matches the one on your machine, every time. And when a line fails mid-shift, our 24/7 emergency repair partner gets you back up without waiting on a national parts network.

  • American & metric hydraulic, pneumatic, and industrial hose — sourced from Danfoss, Eaton, Parker, and more
  • NAHAD Hose Safety Institute member — assemblies built to spec, not guesswork
  • 24/7 emergency repair through our MSHA-certified field partner
Custom AssemblyAir, hydraulic, chemical, suction & discharge, marine, welding, and more — built to your STAMPED spec.
24/7 Emergency RepairField-dispatched hose repair when downtime isn’t an option, day or night.

Product Offering

One Source for Everything MRO

Sixteen categories, twenty thousand SKUs in stock, and a supplier network reaching hundreds of thousands more — from a single fastener to a full VMI-managed crib.

Fasteners
Abrasives
Hydraulics
Fleet & Automotive
Electrical
Safety
Tools & Equipment
Welding
Power Transmission
Pneumatics
Material Handling
Janitorial & Cleaning
Lubricants & Fluids
Adhesives, Sealants & Tape
Cutting Tools & Metalworking

Not seeing what you need listed? Our supplier network reaches far beyond what fits on this page — ask your rep and we’ll source it.

Industries We Serve

Built for Operations That Can’t Afford Downtime

MiningAbrasion-resistant hose, cutting tools & rigging for demanding environments.
Heavy Equipment RepairFittings, abrasion sleeves, and shop supplies to keep machines turning.
Fleet MaintenanceDOT hose, tube fittings, and adapters for the road.
ManufacturingTubing, fittings, and MRO consumables for the production line.
Other IndustriesAgriculture, construction, food & beverage, pharma, transportation, and more.

Brands We Stock & Source

3MWD-40BoschMakita WeilerDanfossParkerLoctite MetaboKrylonMSACRC DynabradeWalterLegrisLennox Stanley Black & DeckerDormer PrametKimberly-ClarkSeco
SUPERIOR INDUSTRIAL SUPPLYPowered by Raycap Holdings

Superior Industrial Supply is part of the Raycap Holdings family — a group built to strengthen the local industrial distributors that keep American manufacturing, construction, and infrastructure running. Raycap isn’t a financial buyer chasing a quick exit; it’s a long-term partner that pairs the local relationships and hands-on expertise you already trust with group-level purchasing power, systems, and technology investment most independents can’t access alone.

Same team. Same phone number. Same 56 years of service — now backed by more.

Superior Industrial Supply Mesa Fastener Scout Specialties Summit Motor Products Midwest Brown

What That Means for You

  • Deeper supplier relationships and stronger purchasing power on the products you order every week
  • Continued investment in inventory systems and technology behind our VMI & vending programs
  • The same local sales, counter, and service team — long-term stability, not a flip-and-exit ownership model

Ready to Simplify Your MRO Supply?

Talk to a local rep about VMI, vending, or your next order — same day, if you need it.