Independent wholesale research for retailers, resellers and procurement teams — with visible sources and dated updates.

Independent U.S. wholesale research

National Wholesalers and U.S. Supplier Research

Practical, source-backed guides for wholesale buyers and resellers, with visible evidence and dated updates.

  • Supplier research and verification
  • Accounts, pricing and RFQs
  • Freight, receiving and claims
Explore the buyer guide
A wholesale buyer comparing quotations, samples and supporting documents
01Visible evidenceSources • dates • corrections

A research publication, not a distributor

Research that keeps the buyer’s decision in focus.

National Wholesalers is independent. It holds no inventory, sells nothing, brokers nothing and takes no part in any transaction.

Every guide is written for a defined buyer task, with visible sources and dates so readers can check the information that matters before they approach a supplier.

How we work
Buyer guides22
Industry categories10
Research hubs8
Company profiles2
Policy pages8

Wholesale supply by category

Start with the buying conditions that change from one supply channel to the next.

Building Materials Wholesale Distributors wholesale supply and distribution guide

Building Materials Wholesale Distributors

How building materials distribution is organised in the U.S., why freight and lead times dominate the cost, and what contractors and dealers should ask.

Read category guide
Consumer Electronics Wholesalers wholesale supply and distribution guide

Consumer Electronics Wholesalers

How consumer electronics reaches U.S. resellers, the difference between authorized, open-market and clearance supply, and what to check before buying.

Read category guide
Decorative Surfaces and Wall Covering Distributors wholesale supply and distribution guide

Decorative Surfaces and Wall Covering Distributors

How tile, stone, wall covering and architectural surface distribution works, and why batch, lead time and breakage allowance dominate the order.

Read category guide
General Merchandise and Closeout Wholesalers wholesale supply and distribution guide

General Merchandise and Closeout Wholesalers

How closeout, overstock and liquidation supply works, what a manifest does and does not tell you, and why this channel rewards buyers who move fast.

Read category guide
Heavy Equipment and Machinery Parts Wholesalers wholesale supply and distribution guide

Heavy Equipment and Machinery Parts Wholesalers

How replacement parts for construction and material handling equipment are supplied, and why serial number and build year decide whether a part fits.

Read category guide
HVAC, Plumbing and Electrical Distributors wholesale supply and distribution guide

HVAC, Plumbing and Electrical Distributors

How the trade supply channel works for mechanical and electrical contractors, and why code compliance and counter service shape where you buy.

Read category guide
Industrial Supplies and Parts Wholesalers wholesale supply and distribution guide

Industrial Supplies and Parts Wholesalers

How industrial MRO and parts distribution works, why cross-reference accuracy matters more than unit price, and what to confirm on a replacement part.

Read category guide
Mobile Phone Wholesalers wholesale supply and distribution guide

Mobile Phone Wholesalers

How wholesale mobile phones are graded, why lock status and regional variants decide resale value, and what to establish before buying a pallet.

Read category guide
Phone and Computer Accessories Wholesale Distributors wholesale supply and distribution guide

Phone and Computer Accessories Wholesale Distributors

How accessory supply differs from device supply, why certification and compatibility claims need checking, and where the real buying risk sits.

Read category guide
Pool and Spa Equipment Wholesalers wholesale supply and distribution guide

Pool and Spa Equipment Wholesalers

How pool and spa equipment distribution handles seasonality, why pre-season ordering decides availability, and what warranty registration changes.

Read category guide

What you can check on every guide

Visible sources

Pages identify the sources behind the claims that matter, so readers can check the evidence themselves.

Dated updates

Publication and review dates make it clear when guidance was last checked and when it may need a fresh look.

Independent scope

The site holds no inventory, brokers no transaction and accepts no paid inclusion in company profiles.

Our editorial promise

Questions about this research

Is National Wholesalers a distributor or sourcing service?

No. National Wholesalers is an independent research publication. It holds no inventory, sells nothing, brokers nothing and takes no part in a transaction.

How are company profiles researched?

Profiles draw on public sources. Company names, locations and stated product categories are checked against company material and, where available, a public registration record.

Can a company pay to appear or rank higher?

No. The disclosure states that there are currently no affiliate links, sponsorship, paid placement or advertising, and paid inclusion in a company profile is not accepted.

How can I request a correction?

Send the page URL, the specific sentence you believe is wrong and a public supporting source to the editorial address. The correction process starts with the narrow claim.

Email the editorial desk

Send the exact claim and the evidence behind your correction.

The email template asks for four things so we can investigate without another round trip:

  1. The URL of the page.
  2. The exact sentence or claim.
  3. Why it may be wrong or incomplete.
  4. A public supporting source.
EMAIL A CORRECTION

If your mail app does not open, write to editor@natlwholesalers.com.

Latest wholesale buying guides

How to Calculate Landed Cost of Imported Goods

Read guide

How Building Materials Distribution Is Structured

Read guide

How the Closeout and Liquidation Market Works

Read guide

How Consumer Electronics Distribution Is Structured

Read guide