NAICS 541330 Quarterly Industry Report
Engineering Services
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 541330Sector: Professional, Scientific, and Technical Services (54)Updated: Q1 2026
About This Report
This Fair Market Value report profiles NAICS 541330 (Engineering Services) using 2022 Census Bureau[7] economic data, Bureau of Labor Statistics[8] employment statistics, and SBA size standard tables[9]. Revenue figures and market growth projections reflect aggregated data from professional services industry databases. Data sources include Census Bureau[7] County Business Patterns, Economic Census Geographic Area Statistics, and the National Society of Professional Engineers (NSPE) licensing data. Fair Market Value assessments reference billing rates by discipline, geographic adjustments, and firm size classifications.
Industry Snapshot
Key metrics for the engineering services industry.
NAICS Sector
54
Professional, Scientific, and Technical Services
Industry Definition & Overview
Engineering Services (NAICS 541330) encompasses establishments that apply engineering principles to design, develop, and evaluate machines, materials, structures, processes, and systems across infrastructure, industrial, and commercial sectors Census Bureau NAICS 541330[5]. Services include feasibility studies, detailed design and planning, technical consultation during construction phases, project management, inspection, and post-project evaluation. The scope is broad. Civil, environmental, mechanical, structural, and electrical engineering disciplines all fall within this classification.
The U.S. engineering services market reached approximately $347.4 billion in total revenue in 2024, with growth projections indicating expansion to $409 billion by 2026 and potentially $533 billion by 2031 BLS Industry Data[6]. Growth reflects post-pandemic recovery and structural drivers including federal infrastructure investment through the Infrastructure Investment and Jobs Act, semiconductor manufacturing incentives via the CHIPS Act, and sustained defense-modernization spending. Major firms including AECOM, Jacobs Engineering Group, Bechtel Corporation, and Fluor Corporation hold commanding market positions.
The industry faces a substantial talent challenge. Approximately 400,000 new engineering professionals are needed annually, yet roughly one-third of positions remain unfilled. Workforce constraints stem from retiring demographics, with projections indicating 25% of the current engineering workforce eligible for retirement within five years. Rapid technological advancement creates demand for specialized expertise in artificial intelligence integration, IoT systems, cloud infrastructure, and autonomous technologies. Competition for qualified engineers remains intense across all disciplines.
What's Included in This Industry
- Industry definition and NAICS 541330 classification scope
- Market size estimates and revenue growth projections
- SBA size standard with specialized exceptions
- Employment statistics and workforce shortage analysis
- Federal infrastructure investment impact assessment
- Technology trends including AI and IoT integration
- Related NAICS classifications with distinction explanations
- Related industry relationships and market connections
- Professional licensing and PE certification requirements
- FAQ covering services, workforce, and market drivers
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Sector | Professional, Scientific, and Technical Services | 54 |
| Subsector | Professional, Scientific, and Technical Services | 541 |
| Industry Group | Architectural, Engineering, and Related Services | 5413 |
| NAICS Industry | Engineering Services | 54133 |
| National Industry | Engineering Services | 541330 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 541310 | Architectural Services | Architectural services focus primarily on building design, layout, and aesthetic considerations, whereas engineering services emphasize structural systems, mechanical systems, infrastructure functionality, and technical components for buildings and civil works. |
| 541320 | Landscape Architectural Services | Site and outdoor design services specialize in site design, environmental planning, and outdoor space configuration, distinct from general engineering services that focus on structural and mechanical engineering systems and infrastructure analysis. |
| 541340 | Drafting Services | Drafting services involve technical drawing and documentation preparation, often performed under direction of licensed engineers, capturing standalone drafting bureaus and CAD services rather than full-service engineering design and consultation. |
| 541350 | Building Inspection Services | Building inspection services conduct compliance verification and property condition assessments after construction completion, representing downstream inspection activities rather than the upstream design and engineering analysis provided by 541330 establishments. |
| 541370 | Surveying and Mapping (except Geophysical) Services | Surveying and mapping services establish property boundaries, create topographic maps, and generate spatial data essential for engineering projects, focusing on measurement and data collection rather than the design and engineering analysis services of 541330. |
| 541690 | Other Scientific and Technical Consulting Services | Other scientific and technical consulting services complement engineering services for specialized analysis including environmental testing, materials science consulting, and technical advisory work that extends beyond core engineering design and construction oversight. |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 14.2% | 8,886 |
| 2 | Texas | 9.0% | 5,660 |
| 3 | Florida | 8.2% | 5,112 |
| 4 | New York | 4.0% | 2,499 |
| 5 | Colorado | 3.8% | 2,375 |
| 6 | Virginia | 3.6% | 2,281 |
| 7 | Pennsylvania | 3.6% | 2,255 |
| 8 | Georgia | 3.0% | 1,846 |
| 9 | Michigan | 2.9% | 1,786 |
| 10 | Illinois | 2.8% | 1,763 |
% Of Establishments
0%
14%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
2,872
Total SBA Loans
$1.8B
Total Loan Volume
$623K
Average Loan Size
10 yrs
Average Loan Term
10.06%
Average Interest Rate
44,048
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: The SBA size standard for NAICS 541330 (Engineering Services) is $25.5 million in average annual receipts SBA Size Standards[9]. Exceptions apply to certain specialized segments: Military and Aerospace Equipment contracts carry a $47.0 million threshold, contracts under the National Energy Policy Act maintain a $47.0 million standard, and Marine Engineering and Naval Architecture services are classified at $47.0 million. These thresholds determine small business eligibility for set-aside contracts, grants, and preferential procurement programs across SBA 8(a), HUBZone, and veteran-owned business certifications. Eligible businesses can access SBA 7(a) loans[10] for working capital, equipment, and acquisition financing, while 504 loans[11] support major fixed-asset purchases including real estate and heavy machinery.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Live Oak Banking Company | 160 | $238.3M | $1.5M |
| 2 | Newtek Bank, National Association | 224 | $116.8M | $521K |
| 3 | The Huntington National Bank | 112 | $87.6M | $782K |
| 4 | First Internet Bank of Indiana | 56 | $60.3M | $1.1M |
| 5 | First Bank of the Lake | 24 | $54.8M | $2.3M |
Frequently Asked Questions
Common questions about this industry.
What services are included in NAICS 541330?
NAICS 541330 encompasses civil, environmental, mechanical, structural, and electrical engineering consulting and technical services. Core activities include feasibility studies, detailed design and specification development, construction administration, field engineering oversight, quality assurance testing, post-project commissioning, and project management. Many firms integrate surveying, cost estimation, and regulatory compliance consulting. Census Bureau NAICS 541330[5]
What are the primary market drivers for engineering services growth?
Three major factors drive demand. Federal infrastructure investment through the Infrastructure Investment and Jobs Act creates sustained project pipelines. Semiconductor and manufacturing incentives through the CHIPS Act generate new facility design work. Technological advancement including AI, IoT integration, and automation requires sophisticated engineering expertise. Additionally, aging infrastructure renewal and climate adaptation requirements maintain strong demand.
What licensing is required in engineering services?
Professional Engineer (PE) licensure is the primary credential. All 50 states require individual licensure before practicing professionally. Requirements include a four-year ABET-accredited engineering degree, passage of the Fundamentals of Engineering exam, four years of supervised experience, and passage of the PE examination. Continuing education is required for biennial renewal. NSPE Licensing Info[12]
How does the industry address workforce talent shortages?
About 400,000 new engineering professionals are needed annually, yet roughly one-third of positions remain unfilled through 2030. The shortage stems from retirement demographics with 25% eligible within five years. Industry responses include expanded internship programs, remote work arrangements, investment in training, competitive compensation, and automation of routine technical tasks.
What is the SBA size standard for NAICS 541330?
The general SBA size standard is $25.5 million in average annual receipts. Specialized exceptions include Military and Aerospace Equipment contracts at $47.0 million, National Energy Policy Act contracts at $47.0 million, and Marine Engineering at $47.0 million. SBA Size Standards[9]
Which states have the highest concentration of engineering services?
Employment concentrates in California, Texas, New York, Florida, and Pennsylvania driven by large construction markets and technology sectors. Major metropolitan hubs include San Francisco (technology), Houston (energy and petrochemical), Washington D.C. (federal projects), and New York City (commercial infrastructure). DataUSA Engineering Data[13]
What are the main project delivery methods?
Three primary methods structure engineering engagements. Design-Bid-Build separates design and construction into distinct phases with competitive bidding. Design-Build integrates design and construction under single-entity accountability with reduced schedule. Construction Manager/General Contractor engages the contractor during design to ensure constructability and cost control. Compensation follows lump sum, guaranteed maximum price, or cost-plus arrangements.
How large is the U.S. engineering services market?
The market reached roughly $347.4 billion in 2024 revenue, with projections indicating expansion to $409 billion by 2026 and potentially $533 billion by 2031. Growth reflects infrastructure investment, CHIPS Act incentives, and defense modernization. The 50 largest firms hold commanding positions, though thousands of small and mid-size firms compete through specialization and regional expertise.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]Census Bureau NAICS 541330 census.gov
- [6]BLS Industry Data bls.gov
- [7]Census Bureau data.census.gov
- [8]Bureau of Labor Statistics bls.gov
- [9]SBA size standard tables sba.gov
- [10]SBA 7(a) loans sba.gov
- [11]504 loans sba.gov
- [12]NSPE Licensing Info nspe.org
- [13]DataUSA Engineering Data datausa.io
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