Wales-Darby Inc.

Company facts

Self-certified in SAM.gov

• Self Certified Small Disadvantaged Business
• For Profit Organization
• Subchapter S Corporation

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 221118 Other Electric Power Generation
• 238220 Plumbing, Heating, and Air-Conditioning Contractors
• 423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
• 541330 Engineering Services

SAM.gov registration date

Oct 26, 2020

Physical address

2910 Express Dr S, Islandia, NY 11749, USA

Website

walesdarby.com

Founded

1974

Employees

51-250

Estimated annual revenue

$10M-$50M

Industry

1. Materials
2. Construction Materials
3. Building Materials

SIC code

50 Wholesale Trade – Durable Goods

Profiles

• LinkedIn
• X
• Facebook

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jan 29, 2026.