We Carry Over 19000 Different Part Numbers
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Over 1 Million Pieces in Stock
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Collins-Oliver

We Buy Industrial Materials

Need to liquidate surplus inventory? Collins-Oliver purchases quality industrial equipment and materials.

At Collins-Oliver, we don't just sell industrial supplies—we also buy them. Whether you're closing a facility, upgrading equipment, or clearing out excess inventory, we pay competitive prices for new, new surplus, and quality used materials.

What We Buy

We purchase a wide range of industrial materials and equipment, with particular interest in the following brands and categories:

Tube Fittings

Compression Fittings - Brands We Buy:

  • Hy-Lok
  • Swagelok
  • Parker CPI
  • Parker A-Lok
  • DK-LOK
  • Let-Lok
  • Gyrolok
  • Bi-Lok
  • SSP
  • Duolok
  • Unilok
  • Brennan
  • Kor-Lok

Materials:

  • Stainless Steel
  • Brass
  • Steel
  • Hastelloy
  • Monel
  • Inconel
  • C20
  • Titanium

Condition: New, New Surplus, Used

Valves

Ball Valves - Brands We Buy:

  • Swagelok
  • Whitey
  • Parker
  • Hy-Pro
  • Hoke
  • Ham-Let

Valve Types:

  • Needle valves
  • Ball valves
  • Check valves
  • All sizes and pressure ratings

Materials:

  • Stainless Steel
  • Brass
  • Steel
  • Hastelloy
  • Monel
  • Inconel
  • C20
  • Titanium

Instrumentation Pipe Fittings

Brands We Buy:

  • Cajon
  • Parker
  • Hoke
  • Hope
  • Brennan
  • SSP
  • Kor-Lok
  • Pipeline
  • Green

Materials:

  • Stainless Steel
  • Brass
  • Steel
  • Hastelloy
  • Monel
  • Inconel
  • C20
  • Titanium

Condition: New and Surplus, all grades

Filters

Brands We Buy:

  • Cajon
  • Parker
  • Hy-Pro
  • Ham-Let

Components:

  • Bug Screens
  • Mud/Dauber Plugs
  • Vent Filters
  • All types and sizes

Sealants

Types We Buy:

  • Loc Anaerobic
  • Slic-Tite
  • Loc-Tite
  • Pipelite
  • Paste
  • Stick
  • Tape

Preferred Condition: Sealed containers, unused preferred

Leak Detectors

Brands and Types:

  • Snoop
  • Leak Tracy
  • Fluorescent
  • Non-Corrosive
  • No Residue
  • Nonflammable

Condition: Sealed bottles preferred, new or sealed

Tubing

Types:

  • Coiled tubing
  • Stick tubing
  • All standard and metric sizes

Materials:

  • 304 stainless steel
  • 304L stainless steel
  • 316 stainless steel
  • 316L stainless steel

Construction:

  • Seamless
  • Welded
  • All wall thicknesses
  • Bulk quantities preferred

Tubing Clamps

Types We Buy:

  • Single-line clamps
  • Duplex clamps
  • Yoke clamps
  • Gang clamps
  • Perforated Angle
  • Perforated Channel
  • All sizes
  • Bulk lots preferred

Tools

Tube Tools - Brands:

  • Swagelok tools
  • Hy-Lok tools
  • All types

Hand Tools:

  • Cutters
  • Benders
  • De-Burring Tools
  • Pre-Swaging Tools
  • Gap Inspection Gauges
  • Flaring Tools
  • All brands

Condition: Good working condition

What We're Looking For

Ideal Materials for Purchase:

  • New Surplus - Unused items in original packaging
  • Overstock - Excess inventory from overstocked warehouses
  • Plant Closures - Bulk lots from facility shutdowns
  • Equipment Upgrades - Materials from system replacements
  • Quality Used - Clean, functional items in good condition
  • Discontinued Items - Hard-to-find parts and specialty materials

Condition Requirements

We Buy:

  • New in Box - Original packaging, never used
  • New Surplus - No packaging but never installed
  • Like New - Minimal handling, no wear
  • Used - Excellent - Clean, functional, no damage
  • Used - Good - Normal wear, fully functional

We DO NOT Buy:

  • Damaged or broken items
  • Severely corroded materials
  • Items with unknown history or contamination
  • Materials exposed to hazardous substances (unless disclosed)

Simple Steps

How It Works

It's never been easier to get the parts you need:

01

 Contact Us

Call, email, or visit with your inventory list

9821 S Perdue Ave.
Baton Rouge, LA 70814

02

Get a Quote

Send us:

  • List of items with quantities
  • Brand names and part numbers
  • Condition (new, surplus, used)
  • Photos (if possible)

03

We Evaluate

Our team reviews your inventory:

  • We assess condition and market value
  • We provide a fair, competitive offer
  • We can evaluate on-site for large lots

04

Get Paid

Fast, straightforward payment:

  • We make competitive cash offers
  • Quick turnaround on approved materials
  • We handle pickup for large quantities

Specialty Brands of Interest

We pay premium prices for these high-demand brands:

Tube Fittings:

  • Swagelok
  • Parker (CPI, A-Lok)
  • Hy-Lok
  • DK-LOK
  • Gyrolok

Valves:

  • Swagelok
  • Whitey
  • Parker
  • Hoke

Instrumentation:

  • Cajon
  • Parker
  • Hoke
  • SSP
  • Green

Tools:

  • Swagelok tools
  • Hy-Lok tools
collins oliver pneumatic tubing air systems

Bulk Lots Welcome

Closing a facility? We buy entire inventories.

We Purchase From:

  • Plant shutdowns
  • Warehouse liquidations
  • Contractor surplus
  • Equipment upgrade cleanouts
  • Estate sales (industrial)
  • Bankruptcy liquidations

We Can:

  • Evaluate on-site
  • Provide bulk pricing
  • Arrange transportation
  • Handle large-volume purchases
  • Process quickly for fast cash flow

Bulk Lots Welcome

Beyond our core products, we may purchase:

  • Hydraulic components
  • Pneumatic fittings and valves
  • Stainless steel fittings and flanges
  • Industrial hoses and assemblies
  • Pressure regulators
  • Industrial gases equipment
  • Welding supplies (unused)
  • Safety equipment (new/sealed)

Contact us to discuss—if it's industrial quality and in demand, we're interested.

collins oliver tube fittings

Frequently Asked Questions

All Your Questions Answered

Do you buy surplus materials?

Yes, we purchase quality surplus  materials in good, functional condition. Items must be clean and free from damage.

How do you determine pricing?

Pricing is based on:

  • Brand name
  • Condition
  • Current market demand
  • Quantity
  • Premium brands like
  • Swagelok and Parker command higher prices

Do you buy partial boxes or open packages?

Yes, we consider partial quantities, especially for:

  • High-demand brands
  • Hard-to-find items
  • Quality surplus materials

Can you pick up materials from my location?

Yes, for large lots or bulk quantities, we can arrange pickup in:

  • Baton Rouge area
  • Surrounding regions
  • Other locations for significant inventory

How quickly can I get paid?

For approved materials, we typically process payment within 1-3 business days of evaluation and pickup.

Do I need to clean the materials before selling?

Materials should be:

  • Reasonably clean
  • Free from contamination
  • We may adjust pricing for
  • items requiring cleaning

What if I don't know the brand or part number?

No problem:

  • Bring the items to our location
  • Send us photos
  • Our experienced team can often identify manufacturers and parts

Do you buy materials with missing packaging?

Yes, especially for:

  • High-quality brands
  • New surplus items
  • Hard-to-find materials
  • Packaging not required for premium brands

Collins-Oliver

Turn your surplus into cash today. 

Contact Collins-Oliver and let's talk about your inventory.