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Services-Engineering Services SIC 8711
8 companies filing with the SEC under SIC 8711. Median revenue growth +11% year on year in Q3 2026 (middle half +5% to +36%, 4 companies). The growth model expects the industry's combined revenue to grow -4% in Q3 2026. 3 customer or supplier links named in annual reports.
Money flow: where the industry's revenue goes
Drawn in the browser: an estimate of where the industry's revenue goes — what it buys from other industries, the pay that reaches households, taxes and profit — beside its filed cash flow, two tiers of suppliers and its capital spending by kind of asset.
Open the industry: growth distribution, money flow, network →
Who sells to whom
Customers and suppliers named in the companies' annual reports; the share is of the supplier's revenue.
- TTEK → U.S. government 9% of the supplier's revenue, $1.7B
- ACM → U.S. government 7% of the supplier's revenue, $1.1B
- WLDN → SCE-PM 27% of the supplier's revenue, $187M
Growth model
Industry revenue, the same companies year on year; 80% ranges. Fitted on SEC filings and tested out of sample (how).
| Quarter | Growth Y/Y | Revenue | 80% range |
|---|---|---|---|
| Q3 2026 | -4.0% | $5.9B | $5.3B – $6.5B |
| Q4 2026 | -2.2% | $5.6B | $4.9B – $6.3B |
| Q1 2027 | -1.1% | $5.6B | $4.8B – $6.4B |
| Q2 2027 | -0.5% | $5.7B | $4.9B – $6.5B |
Capital spending and supply chain →
Companies
| Company | Quarterly revenue | Y/Y | Stage |
|---|---|---|---|
| ACM AECOM | $4.2B | — | contraction |
| TTEK Tetra Tech | $1.3B | — | mature |
| VSEC VSE | $541M | +91% | expansion |
| WLDN Willdan Group | $215M | +18% | deceleration |
| MG Mistras Group | $205M | +5% | mature |
| ACFN Acorn Energy | $2.6M | +5% | mature |
| HYOR HyOrc | $24K | — | — |
| OFAL OFA | $15K | — | contraction |
Growth from positive, comparable quarterly revenue as filed; industries are SEC Standard Industrial Classification codes. Data Nov 8, 2026.