Wiss, Janney, Elstner Associates, Inc.

Company facts

FY2025 rankings

Its parent company, Wiss, Janney, Elstner Associates, Inc., ranks:

• #25 in PSC AS12
• #25 in PSC C1JA
• #44 in PSC C1AA
• #53 in PSC AS
• #98 in NAICS 54131

Self-certified in SAM.gov

• For Profit Organization

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 541310 Architectural Services
• 541340 Drafting Services
• 541350 Building Inspection Services
• 541360 Geophysical Surveying and Mapping Services
• 541380 Testing Laboratories and Services
• 541490 Other Specialized Design Services
• 541690 Other Scientific and Technical Consulting Services
• 541990 All Other Professional, Scientific, and Technical Services

Show all 9

• 712120 Historical Sites

Corporate family

• WJE Engineers & Architects Parent Wiss, Janney, Elstner Associates, Inc. · Northbrook, IL EMFNZND66N54
  • Houston Office

SAM.gov registration date

Feb 17, 2005

Physical address

4321 West Sam Houston Pkwy N #190, Houston, TX 77043, USA

Website

wje.com

Founded

1956

Employees

251-1K

Estimated annual revenue

$100M-$250M

Industry

1. Industrials
2. Capital Goods
3. Construction & Engineering
4. Civil Engineering

SIC code

87 Engineering & Management Services

Profiles

• LinkedIn
• Facebook

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Jan 21, 2026.