4D Engineering LLC

Lexington, SC

Company facts

Self-certified in SAM.gov: Self Certified Small Disadvantaged Business

For Profit Organization

Woman Owned Small Business

Woman Owned Business

Limited Liability Company
Entity structure: Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov: 541340 Drafting Services
SAM.gov registration date: Jan 26, 2013
Physical address: 603 S Lake Dr, Lexington, SC 29072, USA
Website: 4dengr.com
Founded: 2013
Employees: 1-10
Estimated annual revenue: $1M-$10M
Industry: Industrials

Capital Goods

Construction & Engineering

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 20, 2026.

Vendor	Location	Primary NAICS
Orion Engineers & Associates UEI CSFJH91SRCR9	Honolulu, HI	541330 Engineering Services
Simpkins & Costelli, Inc. UEI Z1Q4RNYDL2J8	Gulfport, MS	541330 Engineering Services
Bridgewood Engineering, LLC UEI LZDDXK8C9R28	Huntsville, AL	541330 Engineering Services
TGI UEI DEYGMHYTMGY7	Pembroke Pines, FL	541330 Engineering Services
Hi-Plains Civil Engineers, LTD. UEI JHUKD6EXGGZ9	Amarillo, TX	237990 Other Heavy and Civil Engineering Construction

From the vendor's SBA profile

Civil engineering consulting services including design and construction administration.

Yes. 4D Engineering LLC's SAM.gov registration is active through January 16, 2027.

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