| TOP 30 SCIENCE + TECHNOLOGY CONSTRUCTION FIRMS | ||
| Rank | Firm | 2015 Revenue |
| 1 | Skanska USA | $461,469,485 |
| 2 | Suffolk Construction Co. | $307,964,240 |
| 3 | Whiting-Turner Contracting Co., The | $141,886,037 |
| 4 | JE Dunn Construction | $100,808,913 |
| 5 | Turner Construction Co. | $91,930,708 |
| 6 | Gilbane Building Co. | $52,712,000 |
| 7 | DPR Construction | $40,625,000 |
| 8 | Jacobs | $24,060,000 |
| 9 | Sundt Construction | $23,322,783 |
| 10 | Hill & Wilkinson General Contractors | $21,132,000 |
| 11 | Consigli Building Group | $20,999,281 |
| 12 | Bomel Construction Co. | $20,000,000 |
| 13 | W.M. Jordan Company | $19,115,525 |
| 14 | Hill International | $18,000,000 |
| 15 | Level 10 Construction | $13,474,698 |
| 16 | Andersen Construction | $13,400,000 |
| 17 | Branch & Associates | $12,714,256 |
| 18 | BlueScope Construction | $11,128,793 |
| 19 | C.W. Driver Companies | $9,248,981 |
| 20 | Hoar Construction | $7,735,000 |
| 21 | Choate Construction Co. | $7,228,368 |
| 22 | Manhattan Construction Group | $6,626,000 |
| 23 | Graham Construction | $5,900,000 |
| 24 | Alberici-Flintco | $5,032,743 |
| 25 | S. M. Wilson & Co. | $3,890,490 |
| 26 | Leopardo Companies | $3,700,000 |
| 27 | LeChase Construction | $3,200,000 |
| 28 | Cumming | $3,081,000 |
| 29 | Stalco Construction | $1,800,000 |
| 30 | STV | $1,554,818 |
| 31 | Hunter Roberts Construction Group | $1,480,638 |
| 32 | Clark Group | $1,250,244 |
| 33 | Fortis Construction | $923,299 |
| 34 | Ryan Companies US | $533,242 |
| 35 | JLL | $300,599 |
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