LJA Engineering Inc.

Houston, TX Doing business as LJA Engineering & Surveying Inc.

UEI
NFSNJ6H9MLP5
CAGE
5SZM5
Primary NAICS
541330 Engineering Services
SAM.gov registration
Active through

Company facts

Self-certified in SAM.gov
  • For Profit Organization
Entity structure
Corporate Entity (Not Tax Exempt)
Corporate family
SAM.gov registration date
Physical address
3600 W Sam Houston Pkwy S Suite 600, Houston, TX 77042, USA
Website
lja.com
Founded
1972
Employees
1K-5K
Estimated annual revenue
$250M-$500M
Industry
  1. Industrials
  2. Capital Goods
  3. Construction & Engineering
  4. Civil Engineering
SIC code
87 Engineering & Management Services

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

Contract awards

Award Agency Obligated Awarded
Lmda technical committee chairperson W912P618P0007 ENDIST Chicago (USACE) $73,091

Contract subawards

Prime contractor Prime award Amount Awarded
Mccarthy Building Companies, Inc. HOUSTON SHIP CHANNEL IMPROVEMENT PROJECT SEG3, HARRIS COUNTY, TEXAS Civil and structural engineering services. W912HY24C0006 $136,380

Grant subawards

Prime recipient Prime award Amount Awarded
Not on record Stormwater drainage improvement, culvert repair replacement at Bethel Rd PCT 1 SLFRP0225 $57,136
Not on record Stormwater drainage improvement, culvert repair replacement AT MT ZION RD AT CANEY CREEK PCT 1 SLFRP0225 $67,191
Not on record Stormwater drainage improvement, culvert repair replacement AT CEDAR LANE RD PCT1 SLFRP0225 $117,775
Not on record Stormwater drainage improvement, culvert repair replacement AT TEEL RD PCT1 SLFRP0225 $124,016
Not on record Stormwater drainage improvement, culvert repair replacement AT THOMPSON RD PCT 1 SLFRP0225 $100,544

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About the company

Written by GovTribe AI ·

LJA Engineering Inc., a for-profit parent corporation based in Houston, Texas, operates as a subcontractor (86% of recent awards) delivering civil and structural engineering, surveying, and stormwater infrastructure services to federal agencies and their prime contractors. The vendor holds minimal SBA designations and competes in full-and-open procurement channels; recent work includes subcontract delivery of civil and structural engineering for the Houston Ship Channel Improvement Project Segment 3 under prime McCarthy Building Companies, Inc., and multiple sub-grant awards for stormwater drainage improvement and culvert repair across Harris County, Texas.

The corporate structure comprises four subsidiaries — LJA Infrastructure Inc., LJA Surveying Inc., The WLB Group Inc., and LJA Environmental Services LLC — each carrying capability framing aligned to the parent's service portfolio. Infrastructure, Surveying, and Environmental Services subsidiaries position the vendor across civil engineering, surveying, and environmental compliance work, though recent awards in the source do not isolate subsidiary-level attribution.

Activity in the source data shows sparse federal engagement. The vendor reports seven total awards across prime and sub work, with one prime award and six sub awards, spanning 2018 to 2024. The most recent awards cluster in late 2024 — a subcontract for the Houston Ship Channel project in October 2024 and five grant sub-awards in November and December 2024 for stormwater and culvert work. Combined potential value across all awards sits at $73 thousand, but combined dollars obligated reach $676 thousand, indicating that actual invoicing on smaller sub-awards has exceeded the potential-value baseline by a material margin. Customer concentration is thin; the source names the Department of the Army Corps of Engineers and its Engineering District Chicago entity, accounting for the full recorded potential value of $73 thousand. The two customer agencies noted account for 29% of the award count in the source coverage window, and the Engineering District Chicago entity anchors 100% of the combined potential value shown. No parent contract vehicles, GWACs, BPAs, or IDIQs are named in the source, indicating the vendor does not hold seats on government-wide vehicles and pursues work through direct agency procurement or principal-contractor teaming arrangements.

Quick answers

Is LJA Engineering Inc. registered in SAM.gov?

Yes. LJA Engineering Inc.'s SAM.gov registration is active through November 12, 2026.

What is LJA Engineering Inc.'s CAGE code?

LJA Engineering Inc.'s CAGE code is 5SZM5, and its Unique Entity ID (UEI) is NFSNJ6H9MLP5.

What is LJA Engineering Inc.'s most recent federal award?

LJA Engineering Inc.'s most recent federal contract award is Lmda technical committee chairperson (W912P618P0007), from ENDIST Chicago (USACE), on May 7, 2018.

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See LJA Engineering Inc.'s full federal record

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  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
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