Hillmann Consulting LLC

Company facts

Self-certified in SAM.gov

• For Profit Organization
• Limited Liability Company

Entity structure

Corporate Entity (Not Tax Exempt)

NAICS codes registered in SAM.gov

• 541620 Environmental Consulting Services Primary
• 524298 All Other Insurance Related Activities
• 541330 Engineering Services
• 541350 Building Inspection Services
• 541380 Testing Laboratories and Services
• 541690 Other Scientific and Technical Consulting Services
• 561210 Facilities Support Services
• 561790 Other Services to Buildings and Dwellings

Show all

• 561990 All Other Support Services
• 624230 Emergency and Other Relief Services

Corporate family

• Hillmann Consulting LLC W4HHG6BRAYJ7
  • Abraxas Energy Consulting LLC J2XXFYU8CER7
  • Abraxas Energy Consulting LLC JKJNADN7VGM9

SAM.gov registration date

Aug 29, 2011

Physical address

1600 US-22, Union, NJ 07083, USA

Website

hillmannconsulting.com

Founded

1985

Employees

251-1K

Estimated annual revenue

$10M-$50M

Industry

1. Industrials
2. Commercial & Professional Services
3. Professional Services
4. Consulting

SIC code

89 Services, Not Elsewhere Classified

Profiles

• LinkedIn
• Facebook
• Crunchbase

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated May 25, 2026.